| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 508591000 | Solid hydrocarbon polymer | 62 |
| 20080234157 | Alkylaromatic lubricant fluids - The alkylaromatic compositions include an aromatic moiety other than unsubstituted naphthalene; and an alkyl moiety having a carbon atom number in the range between 12 to 40, wherein said alkyl moiety is attached to said aromatic moiety such that at least 25 mol % of the benzylic carbons are quaternary. The process for producing the alkylaromatic compositions include contacting at least one an aromatic compound and a mono-olefin having a carbon atom number in the range between 12 to 40 in the presence of an acidic alkylation catalyst under alkylation conditions, wherein at least 50 mol % of the mono-olefin structure comprises a vinylidenyl structure, and thereby producing said alkylaromatic compound having at least 25 mol % of benzylic carbons that are quaternary. The alkylaromatic compositions disclosed herein are liquids that have improved thermo- and oxidative stability and pour point. | 09-25-2008 |
| 20080300157 | Lubricating oil compositions having improved low temperature properties - A lubricating base oil is disclosed comprising a mixture of gas-to-liquids (GTL) base stock/base oil, hydrodewaxed or hydroisomerized/catalytic (and/or solvent) dewaxed wax derived base stock/base oil and from about 1 to 95% by weight of an alkylated naphthalene or alkylated benzene synthetic oil having a pour point of 0° C. or less. The pour point of the base oil is dramatically lowered by the addition of the synthetic oil. | 12-04-2008 |
| 20090005279 | Polyalpha-Olefin Compositions and Processes to Produce the Same - This invention relates to a polyalpha-olefin (and hydrogenated analogs thereof) comprising more than 50 mole % of one or more C5 to C24 alpha-olefin monomers where the polyalpha-olefin has: a) 40 mole % or more of mm triads, b) a Bromine number of Y or greater, where Y is equal to 89.92*(V)′°5863, where V is the Kinematic Viscosity of the polyalpha-olefin measured at 100° C. in cSt, and c) 1,2 disubstituted olefins present at 7 mole % or more, preferably having Z mole % or more of units represented by the formula: where j, k and m are each, independently, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, or 22, n is an integer from 1 to 350, and where Z=8.420*Log(V)−4.048, where V is the kinematic viscosity of the polyalpha-olefin measured at 1000 C in cSt This invention also relates to process to produce such polyalpha-olefins. | 01-01-2009 |
| 20090018041 | ETHYLENE-PROPYLENE COPOLYMERS SUITABLE FOR THE MODIFICATION OF LUBRICATING OILS AND PROCESS FOR THE PREPARATION THEREOF - Process for the preparation of viscosity index improver (V.I.I.) additives of lubricating oils which comprises a mixing treatment under high shear conditions of a composition comprising: (i) one or more EP(D)M polymers (ii) one or more polyvinylarene/conjugated hydrogenated polydiene/polyvinylarene block copolymers; and (iii) lubricating oil, (ii) being present in a concentration of 1.5 to 20% by weight whereas (iii) is present in a concentration ranging from 1.5 to 45% by weight. | 01-15-2009 |
| 20090054285 | Lubricant composition with low deposition tendency - Lubricant base oil blends and finished lubricating compositions having low deposition tendency are provided. The base oil blends consist essentially of about 20 wt % to about 80 wt %, based on the total weight of the blend, of an F-T Group III base oil having less than 5 wt % cycloparaffins, the balance of the blend being a Group III base oil having at least 35 wt % cycloparaffins. The finished lubricating compositions comprise a major amount of the base oil blend of the invention and at least one engine oil additive. | 02-26-2009 |
| 20090062168 | Process for making a two-cycle gasoline engine lubricant - A process to prepare a lubricating oil meeting JASO M345:2003 requirements, comprising: hydroisomerization dewaxing a feed to produce a base oil and blending the base oil with less than 5 wt % solvent and a detergent/dispersant additive package. A process for making lubricating oil, comprising blending together a pour point reduced base oil blend with a detergent/dispersant additive package, a smoke-suppression agent, optionally a pour point depressant, and optionally less than about 5 wt % hydrocarbon solvent, whereby a two-cycle gasoline engine lubricant is produced. A process to make a two-cycle gasoline engine lubricant, comprising preparing a pour point reducing blend component by isomerizing a feed, blending it with a light distillate base oil to produce a pour point reduced base oil blend, and blending the pour point reduced base oil blend with a detergent/dispersant additive package and less than 5 wt % solvent. A lubricating oil made by the process described herein. | 03-05-2009 |
| 20090082237 | REFRIGERATOR OIL COMPOSITION - There is provided a refrigerating machine oil composition which has a low viscosity, an improved energy saving performance, a good sealability and an excellent loading endurance and, therefore, can be suitably used in various refrigerating application fields, in particular, in closed-system refrigerators. The refrigerating machine oil composition of the present invention comprises a base oil containing a hydrogenated α-olefin oligomer as a main component and having a kinematic viscosity of 1 to 8 mm | 03-26-2009 |
| 20090088355 | Gear Oil Compositions, Methods of Making and Using Thereof - A gear oil composition is provided. The composition comprises a synergistic blend of mineral oil base stock and polyalphaolefin (PAO) base stock for the oil composition to have a traction coefficient at a slide to roll ratio of 40 percent at 15 mm | 04-02-2009 |
| 20090088356 | Gear Oil Compositions, Methods of Making and Using Thereof - A gear oil composition is provided. The composition comprises a synergistic blend of mineral oil base stock and polyalphaolefin (PAO) base stock for the oil composition to have a traction coefficient at a slide to roll ratio of 40 percent at 15 mm | 04-02-2009 |
| 20090170739 | Process for preparing a pour point depressing lubricant base oil component from waste plastic and use thereof - A process for making a pour point depressing lubricant base oil blending component comprises: pyrolyzing a plastics feed comprising polyethylene in a pyrolysis zone at a temperature in the range of about 450° C. to about 700° C. and a residence time in the range of about 3 minutes to about 1 hour to provide a pyrolysis effluent; isomerization dewaxing at least a portion of the pyrolysis effluent with an isomerization dewaxing catalyst in a catalytic isomerization dewaxing zone to provide a isomerization dewaxing effluent comprising a pour point depressing lubricant base oil blending component; and recovering the pour point depressing lubricant base oil blending component boiling in the range of about 900° F. to about 1100° F. and having a pour point in the range of about −15° C. to about 0° C. The pour point depressing lubricant base oil blending component can be used to improve lubricating properties (e.g. pour point) of a lubricant base oil. | 07-02-2009 |
| 20090181872 | LUBRICANT COMPOSITION FOR INTERNAL COMBUSTION ENGINE - A lubricating oil composition for internal combustion engines comprising a base oil containing at least one component selected from an α-olefin oligomer having 16 to 40 carbon atoms obtained by oligomerizing α-olefin(s) having 2 to 20 carbon atoms using a metallocene catalyst, and the hydrogenated derivative thereof; an α-olefin oligomer having 16 to 40 carbon atoms derived from an α-olefin dimer obtained using a metallocene catalyst, and the hydrogenated derivative thereof; and the like. The lubricating oil composition has an excellent low-temperature fluidity, a low evaporativity, and a good oxidation stability. | 07-16-2009 |
| 20090247442 | Production of Shear-Stable High Viscosity PAO - The invention is directed to a process for the preparation of high viscosity lubricant base stocks by contacting alphaolefin feedstocks with single-site metallocene catalysts in a mixed flow or continuous stirred tank reactors. | 10-01-2009 |
| 20090270296 | HydroxyAromatic Functionalized Polyalpha-Olefins - This invention relates to a hydroxyaromatic functionalized polyalpha-olefin comprising the product of the combination of:
| 10-29-2009 |
| 20090298732 | GEAR OIL COMPOSITIONS, METHODS OF MAKING AND USING THEREOF - A gear oil composition is provided. The composition comprises a sufficient amount of an isomerized base oil in a base oil matrix comprising at least at least a polyalphaolefin for the gear oil composition to have for the gear oil composition to have an average volume change in a rubber seal between −10 and +10, a change in shore A hardness between −7 and +10 when tested with SRE NBR28 at 100° C., 168 hours per DIN53521 and DIN53505, a viscosity increase of less than 3% per US Steel S-200 oxidation stability test, a precipitation of less than 1% per US Steel S-200 oxidation stability test, and a Timken OK Load of greater than 60 lb. The isomerized base oil has consecutive numbers of carbon atoms and less than 10 wt % naphthenic carbon by n-d-M. In one embodiment, the sufficient amount of isomerized base oil ranges from 20 to 75 wt. % based on the total weight of the gear oil composition. | 12-03-2009 |
| 20090305926 | Pour Point Depressant for Hydrocarbon Compositions - Disclosed in one embodiment is a hydrocarbon blend made from 0.001 to 10 wt % of at least one poly-α-olefin, by weight of the blend, the at least one poly-α-olefin having a Kv | 12-10-2009 |
| 20100048440 | LUBRICANT COMPOSITION - A lubricating oil composition of the invention includes a lubricant base oil of which kinematic viscosity at 100 degrees C. is 1 to 5 mm | 02-25-2010 |
| 20100062959 | Enhancement of low temprature performance of group III base stocks by blending with HVI-PAO - A lubricating oil formulation is disclosed inhibiting a pour point of about −45° C. or lower and a Brookfield viscosity at −40° C. of about 60,000 cP or less comprising a mixture of a base stock selected from the group consisting of a Group III base stock, a GTL base stock, synthetic and natural waxy hydrocarbon hydroisomerate base stock, and mixtures thereof in combination with HVI-PAO. Also disclosed is a method for reducing the pour point and enhancing the −40° C. Brookfield viscosity performance of a lubricating oil comprising a base stock selected from the group consisting of Group III base stock, GTL base stock, synthetic and natural waxy hydrocarbon hydroisomerate base stock, and mixtures thereof by adding HVI-PAO to such base stock. | 03-11-2010 |
| 20100197540 | VISCOSITY INDEX IMPROVER FOR LUBRICANT COMPOSITIONS - A lubricant composition comprises a base oil and a viscosity modifier including an ethylene/α-olefin interpolymer. The ethylene/α-olefin interpolymer has at least a hard segment and at least a soft segment. The soft segment contains a higher amount of comonomers than the hard segment. The hard segment has low crystallinity. The copolymer has a number of unique characteristics disclosed herein. Such copolymers offer the possibility of improved low temperature performance and flexibility in formulating motor oil, gear lubricants and greases, etc. | 08-05-2010 |
| 20100197541 | VISCOSITY INDEX IMPROVER FOR LUBRICANT COMPOSITIONS - A lubricant composition comprises a base oil and a viscosity modifier including an ethylene/α-olefin interpolymer. The ethylene/α-olefin interpolymer is a block copolymer having at least a hard block and at least a soft block. The soft block comprises a higher amount of comonomers than the hard block. The block copolymer has a number of unique characteristics disclosed here. Such block copolymers offer the possibility of improved low temperature performance and flexibility in formulating motor oil, gear lubricants and greases, etc. | 08-05-2010 |
| 20100273692 | Ethylene-Based Copolymers, Lubricating Oil Compositions Containing the Same, and Methods for Making Them - Provided are ethylene-based copolymers, methods of preparing the same, lubricating oil compositions including the same, methods for preparing such lubricating oil compositions, and end uses for such ethylene-based copolymers and lubricating oil compositions. The ethylene-based copolymers may include less than about 80 wt. % of units derived from ethylene and one or more alpha-olefin comonomers having 3 to 20 carbon atoms. The ethylene-based copolymers have a melting peak (Tm), as measured by DSC, of 80° C. or less, and a polydispersity index of about 2.8 or less. In some embodiments, the ethylene-based copolymers have an intramolecular composition distribution of about 50 wt. % or less and/or an intermolecular composition distribution of about 50 wt. % or less. | 10-28-2010 |
| 20100273693 | Polymeric Compositions Useful as Rheology Modifiers and Methods for Making Such Compositions - Disclosed are rheology modifiers comprising compositionally disperse polymeric compositions and/or crystallinity disperse polymeric compositions that may be useful in modifying the rheological properties of lubrication fluids, and methods for making such compositions. The compositionally disperse polymeric composition are formed from at least two discrete compositions of ethylene copolymers. The crystallinity disperse polymeric composition are formed from ethylene copolymers having at least two discrete values of residual crystallinity. | 10-28-2010 |
| 20100292114 | Viscosity Improver Compositions Providing Improved LowTemperature Characteristics to Lubricating Oil - A lubricant composition comprising an oil of lubricating viscosity; (A) 0.05 to 1.5 percent by weight of a copolymer comprising 70 to 79 percent by weight of units derived from ethylene (“E”), having a | 11-18-2010 |
| 20100323937 | Base stocks and lubricant blends containing poly-alpha olefins - This disclosure relates to substantially atactic polymers of at least one of propylene, 1-butene or 1-pentene, processes for making such polymers and compositions including the polymers. The polymers may be used as lubricants or may be combined with low viscosity base stocks to form lubricants. The polymers may be made in the presence of a metallocene catalyst with a non-coordinating anion activator and optionally with hydrogen. | 12-23-2010 |
| 20110034360 | ALPHA-OLEFIN/ISOBUTENE DIBLOCK COPOLYMERS - The present invention relates to diblock copolymers of the formula A-B which are formed from a polymer block A which is formed essentially from α-olefin units having from 6 to 22 carbon atoms, and a polymer block B which is formed essentially from isobutene units, to a process for their preparation, to their use in lubricant compositions and to lubricant compositions which comprise such diblock copolymers. | 02-10-2011 |
| 20110039743 | LOW VISCOSITY OLIGOMER OIL PRODUCT , PROCESS AND COMPOSITION - The present invention relates to a low viscosity lubricant process, product, and composition characterized by low Noack volatility, low pour point, useful low temperature viscometrics, and high viscosity index and more particularly concerns a PAO composition having a kinetic viscosity at 100° C. in the range of about 4 cSt. | 02-17-2011 |
| 20110183878 | Ethylene Copolymers, Methods for Their Production, and Use - Provided is an ethylene copolymer having 40 wt. % to 70 wt. % of units derived from ethylene and at least 30 wt. % of units derived from at least one α-olefin having 3 to 20 carbon atoms and has the following properties:
| 07-28-2011 |
| 20110183879 | Lubricating Oil Compositions and Method for Making Them - Provided are ethylene propylene copolymers compositions thereof and methods for making the same. The composition may include an ethylene copolymer, comprising 40 wt % to 70 wt % of units derived from ethylene, and at least 30 wt % of units derived from at least one α-olefin having 3 to 20 carbon atoms. The composition can have a melting point (Tm) in ° C., as measured by DSC, that satisfies the relation: Tm>3.4×E−180, where E is the weight % of units derived from ethylene in the copolymer. The composition can also have a Mw/Mn ratio of about 1.5 to about 3.5. The composition can further have a content of Group 4 metals derived from a catalyst of 25 ppm or less. | 07-28-2011 |
| 20110207642 | Lubricating Oil Composition - A lubricating oil composition comprising: (A) an oil of lubricating viscosity in a major amount, comprising a Group III base stock; (B) as an additive component in a minor amount, a viscosity index improver comprising a linear or star-shaped polymer which is derivable, at least in part, from the polymerisation of one or more conjugated diene monomers; and, wherein the lubricating oil composition is contaminated with at least 0.3 mass %, based on the total mass of the lubricating oil composition, of a biofuel or a decomposition product thereof and mixtures thereof. | 08-25-2011 |
| 20120028865 | Viscosity Modifiers Comprising Blends of Ethylene-Based Copolymers - The present invention is directed to polymer blend compositions for use as viscosity modifiers comprising at least three ethylene-based copolymer components. The viscosity modifiers described herein comprise a first ethylene-based copolymer having an ethylene content of from about 35 to about 55 wt % and/or a heat of fusion of from about 0 to about 30 J/g, a second ethylene-based copolymer having an ethylene content of from about 55 to about 85 wt % and/or a heat of fusion of from about 30 to about 50 J/g, and a third ethylene-based copolymer having an ethylene content of from about 65 to about 85 wt % and/or a heat of fusion of from about 40 to about 70 J/g. The invention is also directed to lubricant compositions comprising a lubricating basestock and a polymer blend as described herein. | 02-02-2012 |
| 20120028866 | Viscosity Modifiers Comprising Blends of Ethylene-Based Copolymers - The present invention is directed to polymer blend compositions for use as viscosity modifiers comprising at least two ethylene-based copolymer components. The viscosity modifiers described herein comprise a first ethylene-based copolymer having an ethylene content of from about 44 to about 52 wt % and/or a heat of fusion of from about 0 to about 15 J/g and a second ethylene-based copolymer having an ethylene content of from about 68 to about 75 wt % and/or a heat of fusion of from about 40 to about 65 J/g. The invention is also directed to lubricant compositions comprising a lubricating basestock and a polymer blend of the invention. | 02-02-2012 |
| 20120028867 | Ethylene Based Copolymer Compositions as Viscosity Modifiers and Methods for Making Them - Polymeric compositions and methods for making and using the same are provided. The polymeric composition can include a first ethylene-based copolymer and a second ethylene-based copolymer. The first ethylene-based copolymer can have a weight percent of ethylene-derived units based on a weight of the polymeric composition (E | 02-02-2012 |
| 20120040878 | PROCESS FOR PRODUCING ALPHA-OLEFIN POLYMER, ALPHA-OLEFIN POLYMER, AND LUBRICATING OIL COMPOSITION - Provided is a method of producing an α-olefin polymer including a step of polymerizing one or more kinds of α-olefins each having 6 to 20 carbon atoms with a catalyst obtained by using a specific transition metal compound. By the method, an α-olefin polymer having a viscosity suitable for use in a lubricating oil can be produced on an industrial scale with ease, and further, the characteristics of the product can be widely changed through the control of reaction conditions. | 02-16-2012 |
| 20120101017 | Lubricant additive - A hydrogenated styrene butadiene star copolymer is incorporated in a lubricant additive package. The star copolymer can include about 3 to 25% and about 97 to 75% butadiene. The star copolymer may further be incorporated in a lubricant additive in the amount of about 12 wt % of the star copolymer as compared to the base oil. | 04-26-2012 |
| 20120157364 | Polymer Blends Useful as Viscosity Modifiers - The disclosed invention relates to a composition comprising an oil of lubricating viscosity, a hydrogenated copolymer of an olefin block and vinyl aromatic block, wherein the polymer is optionally functionalized, and a star polymer. Use of the composition as a lubricating composition is disclosed. | 06-21-2012 |
| 20120214721 | GREASE COMPOSITION COMPRISING POLYMER ALLOY, A STRUCTURE PART ENCLOSING THE SAME AND A METHOD FOR PRODUCING THE GREASE COMPOSITION - A grease composition having a thickener, a base oil containing a hydrocarbon oil, and a polymer alloy of an olefin copolymer and a styrene-based copolymer is disclosed. | 08-23-2012 |
| 20120231986 | FUNCTIONAL FLUID COMPOSITION - The present invention provides a functional fluid composition comprising: a naphthenic bright stock base oil; and a Fischer-Tropsch derived base oil, wherein the functional fluid composition has a Viscosity Index (according to ASTM D 2270) of above 95. | 09-13-2012 |
| 20120302480 | ADDITIVE CONCENTRATE - The present invention provides an additive concentrate comprising: − at least 90 wt. % of a Fischer-Tropsch derived base oil, based on the total weight of the additive concentrate; − at least 3.0 wt. % of a viscosity modifier, based on the total weight of the additive concentrate; and − less than 5.0 wt. % of a solvency booster, based on the total weight of the additive concentrate. | 11-29-2012 |
| 20120302481 | ALPHA-OLEFIN (CO)POLYMER, HYDROGENATED ALPHA-OLEFIN (CO)POLYMER AND LUBRICATING OIL COMPOSITION CONTAINING THE SAME - Provided are an α-olefin (co)polymer useful as high-viscosity lubricant oil excellent in viscosity characteristics and low-temperature characteristics, and a lubricant oil containing the (co)polymer. The α-olefin (co)polymer is produced by the use of a metallocene catalyst and satisfies the following (a′) and (b′). (a′) The 2,1-insertion ratio at the polymer terminal, as measured through | 11-29-2012 |
| 20120316094 | GEAR OIL COMPOSITIONS - A novel lubricant composition is disclosed. In one embodiment the lubricant composition comprises in admixture: a first base stock component comprising one or more base stocks each having a viscosity of at least 40 cSt, Kv100° C. and a molecular weight distribution (MWD) as a function of viscosity at least 10 percent less than algorithm: MWD=0.2223+1.0232*log (Kv at 100° C. in cSt); and a second base stock component comprising one or more base stocks each having a viscosity less than 10 cSt, Kv100° C. | 12-13-2012 |
| 20130023456 | LUBRICANT COMPOSITION FOR AN INTERNAL COMBUSTION ENGINE - A lubricating oil composition for an internal combustion engine contains a component (A) of a polyalphaolefin having a kinematic viscosity at 100 degrees C. of 5.5 mm | 01-24-2013 |
| 20130085092 | RHEOLOGICAL METHODS TO DETERMINE THE PREDISPOSITION OF A POLYMER TO FORM NETWORK OR GEL - A method is provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, measuring the shear stress as a function of shear rate, determining the yield stress using the Herschel-Bulkley equation and assessing the yield stress. A method is also provided to determine the predisposition of a polymer to form network or gel in a lubricating oil which comprises obtaining a composition of a polymer in a diluent, determining at least one of (i) the storage modulus G′ and loss modulus G″ of the composition by subjecting the composition to sinusoidal (oscillating) stress or strain of certain amplitude and frequency, (ii) the phase lag (angle) of the response strain or stress δ, or (iii) the tangent (tan) δ, and (c) assessing at least one of the G′, G″, δ, or tan(δ) determined. | 04-04-2013 |
| 20130090278 | HIGH EFFICIENCY ENGINE OIL COMPOSITIONS - This invention is directed to passenger car engine oil compositions comprising in admixture | 04-11-2013 |
| 20130165362 | Viscosity Index Improvers for Lubricating Oil Compositions - Polymers suitable for use as a viscosity index improver for lubricating oil compositions including linear polymers characterized by the formula: | 06-27-2013 |
| 20130184191 | GEAR OIL COMPOSITIONS - A novel lubricant composition is disclosed. In one embodiment the lubricant composition comprises in admixture: a first base stock component comprising one or more base stocks each having a viscosity of at least 40 cSt, Kv100° C. and a molecular weight distribution (MWD) as a function of viscosity at least 10 percent less than algorithm: MWD=0.2223+1.0232*log (Kv at 100° C. in cSt); and a second base stock component comprising at least one Poly-Alpha-Olefin (PAO) base stock and at least one Group III base stock, each having a viscosity less than 110 cSt, Kv100° C. | 07-18-2013 |
| 20130203640 | POLYMER COMPOSITIONS HAVING IMPROVED PROPERTIES AS VISCOSITY INDEX IMPROVERS AND USE THEREOF IN LUBRICATING OILS - Polymer compositions for use as viscosity modifiers comprising at least two ethylene-based copolymer components are provided. The polymer composition comprises (a) a first ethylene-α-olefin copolymer and (b) a second ethylene-α-olefin copolymer. The first ethylene-α-olefin copolymer (a) has an ethylene content from about 60 to about 80 wt % and the second ethylene-α-olefin copolymer (b) has an ethylene content of less than about 60 wt %. The first ethylene-α-olefin copolymer (a) has a Melt Flow Rate Ratio (MFRR), defined as the ratio of the MFR measured at 230° C./21.6 kg and at 230° C./2.16 kg, of greater than 30 and optionally also has a Melt Flow Rate (MFR) of at least about 1.5 g/10 min, measured by ASTM D 1238 condition L (230° C./2.16 kg). The present disclosure is also directed to lubricant compositions comprising a lubricating basestock and a polymer composition of the present disclosure and is further directed to reducing gelation in the lubricant compositions. | 08-08-2013 |
| 20130203641 | Process for the Production of Polymeric Compositions Useful as Oil Modifiers - Provided are processes for making polymer compositions, especially those with reduced or no gel formation in lubricating oils as identified by rheological and visual gel tests and which are useful as viscosity modifiers. The processes described herein aim to achieve this objective by adjusting the concentrations of the hydrogen feed(s) in the first and/or second polymerization reaction zones, preferably such that (a) the hydrogen feed concentration in the first polymerization reaction zone is 0.0-1.0 wt %, based on total weight of feed(s) of hydrogen, ethylene monomer, α-olefin comonomer, and solvent into the first polymerization reaction zone, and/or (b) the hydrogen feed concentration in the second polymerization reaction zone is 0.0-0.5 wt %, based on total weight of feed(s) of hydrogen, ethylene monomer, α-olefin comonomer, and solvent into the second polymerization reaction zone. | 08-08-2013 |
| 20130281339 | Ethylene-Based Copolymers, Lubricating Oil Compositions Containing the Same, and Methods for Making Them - Provided are ethylene-based copolymers, methods of preparing the same, lubricating oil compositions including the same, methods for preparing such lubricating oil compositions, and end uses for such ethylene-based copolymers and lubricating oil compositions. The ethylene-based copolymers may include from about 35 wt. % to about 60 wt. % of units derived from ethylene and at least 1.0 wt. % of one or more alpha-olefin comonomers having 3 to 20 carbon atoms. The ethylene-based copolymers are substantially amorphous and have a polydispersity index of about 2.8 or less. | 10-24-2013 |
| 20130281340 | Lubricant Compositions Comprising Ethylene Propylene Copolymers and Methods for Making Them - Lubricant compositions, as well as processes for their formulation, are provided. The lubricant compositions comprise an oil basestock and one or more blocky ethylene propylene copolymers. The copolymers are preferably prepared using metallocene catalyst systems but without using a chain shuttling agent. | 10-24-2013 |
| 20130303418 | HIGH MOLECULAR WEIGHT POLYMERS AS VISCOSITY MODIFIERS - A lubricating composition comprises a base oil and between 10 ppm and 1000 ppm by mass of a viscosity modifier, the viscosity modifier comprising a polymer having a number average molecular weight greater than 500,000. The polymer's side-chains may be branched or unbranched. The polymer is preferably selected from the group consisting of polyolefin, poly alpha olefin, poly internal olefin, ethylene-propylene copolymers, ethylene-propylene-diene copolymers, ethylene-propylene-acrylate copolymers, ethylene-propylene-methacrylate copolymers, ethylene-propylene-aromatic copolymers, ethylene-propylene-diene-acrylate copolymers, ethylene-propylene-diene-methacrylate copolymers, and combinations thereof. | 11-14-2013 |
| 20140005088 | Marine Engine Lubrication | 01-02-2014 |
| 20140005089 | Marine Engine Lubrication | 01-02-2014 |
| 20140087987 | Production of Vinyl Terminated Polyethylene - This invention relates to processes to produce polyethylene involving contacting ethylene with a metallocene catalyst system; wherein the catalyst system comprises: a stoichiometric activator; and a metallocene compound. The metallocene catalyst system is also disclosed. | 03-27-2014 |
| 20140162924 | METHOD OF IMPROVING THE EFFICIENCY OF AUTOMOTIVE TRANSMISSIONS - A method for improving the fuel economy of an automobile is disclosed. The method involves lubricating an automotive transmission system with a lubricant composition containing (a) an oil of lubricating viscosity; (b) a viscosity modifying polymer comprising linear polymers characterized by the formula: | 06-12-2014 |
| 20140274849 | LUBRICATING COMPOSITION PROVIDING HIGH WEAR RESISTANCE - Disclosed are lubricating compositions comprised of a mineral oil base stock including one or more components selected from the group consisting a Group I base oil component, a Group II base oil component, and a Group III base oil component; and a minimal amount of a particular polyalphaolefin component. The lubricating compositions provide improved film thickness and wear properties relative to conventional mineral oil lubricants. In particular, the lubricating compositions provide improved film thickness and wear properties relative to conventional mineral oil lubricants, without the need of having to include additional polar additives to enhance wear and film thickness characteristics. | 09-18-2014 |
| 20140274850 | Lubricating Composition Comprising Poly (Isobutylene) /Poly (Vinyl Aromatic) Block Copolymer - The invention provides a lubricating composition containing an oil of lubricating viscosity and a block copolymer of a poly(olefin) block, such as poly(isobutylene) (PIB) and a polyvinyl aromatic) block, such as poly(styrene), wherein the copolymer is optionally functionalized or grafted. The invention further provides a method of using the block copolymer to control deposits in a lubricating oil composition. | 09-18-2014 |
| 20140309151 | 1-OCTENE/1-DECENE COPOLYMER AND LUBRICATING-OIL COMPOSITION CONTAINING SAME - Provided are an α-olefin copolymer useful as a high-viscosity lubricant oil excellent in viscosity characteristics, low-temperature characteristics and oxidation stability, and a lubricant oil containing the copolymer. The α-olefin copolymer is a 1-octene/1-decene copolymer produced by the use of a doubly bridged metallocene catalyst. | 10-16-2014 |
| 20140309152 | PNEUMATIC TOOL LUBRICANT - A lubricant for reducing or eliminating airborne lubricant exhaust mist in ambient air when used by a tool driven by compressed air. The lubricant includes between about 58 vol % and about 90 vol % polyalphaolefin or polyalphaolefin blend, and between about 10 vol % and about 42 vol % complex ester compatible with the polyalphaolefin or polyalphaolefin blend. The ester includes polymeric molecules with a cohesive tendency to adhere to each other, and when subjected to shear stresses, to form elongate filaments. | 10-16-2014 |
| 20150011447 | Additives for Fuels and Oils Comprising Functionalised Diblock Copolymers - Concentrates containing specific functionalised diblock copolymers serve as effective additives for improving the cold flow behaviour of fuels and oils, the copolymers being derived from a terminally-unsaturated intermediate polymer obtained via a metallocene process involving hydrogen. | 01-08-2015 |
| 20150099678 | Low Viscosity/Low Volatility Lubricant Oil Compositions Comprising Alkylated Naphthalenes - Provided herein is are low viscosity, low volatility lubricant oil compositions comprising a first base oil component comprising, for example, alkylated naphthalenes, and a second base oil component wherein the composition has a kinematic viscosity at 100° C. of 7.6 cSt or less, a Noack volatility at 250° C. of less than 10%, and a viscosity index of at least 90 for use as internal combustion engine oils, such as compression- and spark-ignition engine oils. | 04-09-2015 |
| 20150099679 | Processes for Preparing Low Viscosity Lubricants - Disclosed are processes for forming an oligomer product by contacting a feedstock olefin containing trisubstituted olefins with a solid acid catalyst. The oligomer product can be formed at an oligomerization temperature in a range from −20° C. to 40° C. Polyalphaolefins produced from the oligomer product can have reduced viscosities at low temperatures. | 04-09-2015 |
| 20150368583 | POLYMER THICKENED GREASE COMPOSITION AND METHOD FOR MAKING THE SAME - A method for preparing a final grease product comprising steps of: (a) mixing a polymeric thickener, which comprises a polymer of propylene, and a lubricating base oil at a temperature above the melting point of the polymeric thickener, wherein the polymeric thickener is present in an amount of 11.5-15.5 wt %, based on the total weight of the mixture so obtained; (b) cooling the mixture as obtained in step (a); (c) subjecting the cooled mixture as obtained in step (b) to a first mechanical treatment, to obtain an intermediate grease; (d) subjecting the intermediate grease as obtained in step (c) to a second mechanical treatment, carried out at a temperature in the range of from 50-90° C., to obtain the final grease product. The method can be applied to manufacturing of a grease. | 12-24-2015 |
| 20160083669 | FUEL-EFFICIENT ENGINE OIL COMPOSITION - The present invention provides am engine oil composition with excellent fuel saving properties, which comprises a lubricating base oil with a saturate content of 70 percent by mass or more and a viscosity index of 90 or greater and a star polymer as a viscosity index improver in an amount of at least 4 percent by mass or more on the basis of the total mass of the engine oil composition, the ratio (B/A) of (B) the high temperature high shear viscosity at 1×10 | 03-24-2016 |
