| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 508496000 |
Mono-, di-, or polyester of polycarboxylic acid
| 56 |
| 508469000 |
Polymer of alpha, beta-olefinically unsaturated carboxylate monomer (e.g., polymethylmethacrylate, etc.)
| 51 |
| 508485000 |
Esterified alcohol is polyhydroxy alcohol (e.g., pentaerythritol tetraalkanoate, etc.)
| 25 |
| 508478000 |
Benzene ring attached directly or indirectly to the -C(=O)O- groups by nonionic bonding
| 12 |
| 508466000 |
Polymer of alpha, beta-olefinically unsaturated dicarboxylic acid ester monomer, or of esterified alpha, beta-olefinically unsaturated dicarboxylic acid or anhydride monomer (e.g., copolymer of maleic acid ester and vinyl alkyl ether, etc.)
| 6 |
| 508476000 |
Nitrogen attached indirectly to the -C(=O)O- groups by nonionic bonding | 4 |
| 20110039741 | POLYALKYLENE GLYCOL LUBRICANT COMPOSITION - A lubricant composition useful for automotive engines, comprising: (A) at least one polyalkylene glycol suitable for use as a lubricant in an automotive engine, (B) an additive package which comprises an acid scavenger, wherein the acid scavenger is an aspartic acid ester, aspartic acid amide, a Group V aspartic acid salt, or a combination thereof. | 02-17-2011 |
| 20120015855 | Amine Derivatives as Friction Modifiers in Lubricants - A composition is provided for use as a friction modifier for an automatic transmission, comprising a long chain hydrocarbyl amine having one or two additional groups on one or two different amine nitrogen atom thereof of the structure —R3-C(=0)X(R4)c. R3 is an alkylene group or a group comprising a group of 1-4 carbon atoms or a chain of 2 to 9 carbon atoms interrupted by one or two nitrogen or oxygen atoms within the chain; X is nitrogen or oxygen, and R4 is a long chain hydrocarbyl group, or H, or —R3-NHR5. The compound does not contain a primary amino group. | 01-19-2012 |
| 20150105306 | MANNICH CONDENSATION PRODUCTS AS SEQUESTERING AGENTS FOR FUELS AND LUBRICATING OILS - Sequestering agents for use in fuels and lubricating oils derived from Mannich condensation reaction utilizing a polyisobutyl-substituted hydroxyaromatic compound, an aldehyde, an alkali metal base, and glycine or aspartic acid, or an ester thereof. | 04-16-2015 |
| 20150291907 | Basic Ashless Additives - A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted γ-aminoester or γ-aminothioester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides exhibits basicity and good seal performance. | 10-15-2015 |
| 508484000 |
Cycloaliphatic ring attached directly to carbon of a -C(=O)O- group | 2 |
| 20100144572 | Lubricants having alkyl cyclohexyl 1,2-dicarboxylates - Provided is a lubricant having a first base stock of one or more alkyl cyclohexyl 1,2-dicarboxylate esters at 1 wt % to 50 wt % based on the total weight of the blend, and a second base stock at 99 wt % to 50 wt % based on the total weight of the blend, wherein the second base stock is chosen from (a) one or more C | 06-10-2010 |
| 20120149620 | GLYCOL ETHER-BASED CYCLOHEXANOATE ESTERS, THEIR SYNTHESIS AND METHODS OF USE - Glycol ether-based cyclohexanoate esters, their synthesis and methods of use as lubricant basestocks or co-basestocks. | 06-14-2012 |
| 508475000 |
Polymer of monocarboxylic acid ester of olefinically unsaturated alcohol (e.g., ethylene-vinyl acetate copolymer, etc.) | 1 |
| 20130023453 | Dispersions Of Polymer Oil Additives - The invention relates to dispersions comprising I) at least one polymer that is effective for mineral oils as a cold extrusion improver and is soluble in oil, II) at least one organic solvent that cannot be mixed with water, III) water, IV) at least one alkanolamine salt of a polycyclic carboxylic acid as a dispersing agent, and V) possibly at least one organic solvent that can be mixed with water. | 01-24-2013 |
| Entries |
| Document | Title | Date |
|---|
| 20080227674 | METHOD FOR REGENERATING LUBE OIL DISPERSANT - A method of regenerating used dispersant incorporated into lubricating oil is provided. The method comprises the steps of supplying used lubricating oil having dispersant molecules suspending particulate matter into a regenerating chamber; releasing the particulate matter by creating a stress on the bond between the dispersant molecules and the suspended particulate matter; permitting the released particulate matter to agglomerate; removing the agglomerated particulate matter from the lubricating oil; and discharging the lubricating oil back to the engine. An alternative method comprises the steps of supplying used lubricating oil having non-metallic polymer dispersant molecules suspending particulate matter into a capturing chamber, the dispersant molecules having polar ends and non-polar tails; interacting the used lubricating oil with an oil-insoluble capturing composition having a binding affinity for the particulate matter that is greater than that of the polar ends of the dispersant molecules to displace the suspended particulate matter and bind the particulate matter to the capturing composition within the capturing chamber; and discharging the lubricating oil back to the engine. | 09-18-2008 |
| 20080318820 | Oil Composition for Use in Trace Oil Supply Cutting/Grinding Work - This invention provides an oil composition for cutting and grinding by minimum quantity lubrication system, characterized by comprising an ester oil with a kinematic viscosity of 0.5-20 mm | 12-25-2008 |
| 20090054281 | Lubricating Composition Comprising a Polyester Dispersant - An automotive lubricant composition comprising a base fluid and an ashless polymeric dispersant is claimed. The ashless polymeric dispersant has a number average molecular weight of between 500 and 10,000 and comprises a polar tall group which itself comprises a polymeric backbone of 2 to 30 monomeric repeat units, each repeat unit comprising a hydrocarbon chain functionalised by the presence of at least one electronegative element or moiety, the tail group being linked to a polar head group which comprises a polar moiety selected from at least one of acid, ester, amide or alcohol moieties. The dispersant has good dispersancy properties, when used as a sole dispersant or in combination with other dispersants. It provides enhanced seal resistance and has good oxidative stability in automotive applications as compared to current commercial products. Furthermore the low temperature viscosity of the automotive lubricant composition with the designed dispersant is superior to that of a composition with current commercial dispersants and the designed dispersant does not react with ZDDP and reduce the antiwear capabilities of ZDDP. | 02-26-2009 |
| 20090270293 | Cutting and lubricating composition for use with a wire cutting apparatus - The invention relates to a cutting and lubricating suspension composition containing gelatinous particles for cutting hard and brittle material with a wire saw. The composition contains an in situ partially neutralized polyelectrolyte and a glycol which suspends abrasive particles used in the cutting operation. | 10-29-2009 |
| 20100009882 | LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINE - A lubricating oil composition for an internal combustion engine, which includes a base oil, (A) at least one member selected from the group consisting of disulfide compounds represented by the general formula (I): | 01-14-2010 |
| 20100120642 | SYNTHESIS OF DIESTER-BASED LUBRICANTS FROM ENZYMATICALLY-DIRECTED EPOXIDES - The present invention is generally directed to methods of making diester-based lubricant compositions, wherein formation of diester species proceeds via esterification of epoxide intermediates, and wherein the epoxide intermediates are generated via an enzymatically-driven mechanism. In some embodiments, the methods for making such diester-based lubricants utilize a biomass precursor and/or low value (e.g., Fischer-Tropsch (FT) olefins and/or alcohols) so as to produce high value diester-based lubricants. In some embodiments, such diester-based lubricants are derived from FT olefins and fatty acids. The fatty acids can be from a bio-based source (i.e., biomass, renewable source) or can be derived from FT alcohols via oxidation. | 05-13-2010 |
| 20100144571 | BASE OIL FOR HYDRAULIC OIL AND COMPOSITION USING THE SAME - The object of the present invention is to provide a base oil for hydraulic oil suitably used for hydraulic systems having filters of which micropore diameter is 50 μm or less, which is capable to improve the decrease of flow in a hydraulic pump at low temperature like −30° C. or less and capable to normally operate the hydraulic systems. The invention also provides a hydraulic oil composition using the above base oil, especially a hydraulic oil composition suitably used for such as tractors, transmissions, and common systems thereof having the hydraulic systems. In order to achieve the object, provided is a base oil for hydraulic oil comprising mineral oil, wherein the mineral oil is defined by kinematic viscosity at 100° C.: 1.5˜6 mm | 06-10-2010 |
| 20100279904 | ELECTRICAL INSULATING OIL COMPOSITIONS AND PREPARATION THEREOF - An electrical insulating oil composition comprising a heavy reformate as an anti-gassing agent is provided with excellent gassing tendency. In one embodiment, the composition displays a gassing performance of <30 μL per minute as measured according to ASTM D2300-08. In a second embodiment, the composition displays a gassing performance of <0 μL per minute. | 11-04-2010 |
| 20110015106 | Reduced Friction Lubricating Oils Containing Functionalized Carbon Nanomaterials - Lubricating oil of reduced friction comprise lubricating oil base stock and dissolved therein carbon nanomaterials functionalized on their surface with ester or amide functionality and made using a technique involving multiple space apart in time or dropwise additions of reactants to the carbon nanomaterials. | 01-20-2011 |
| 20110015107 | (Per)Fluorinated addition products - The invention pertains to a process for the addition of at least one (per)fluoropolyether peroxide comprising at least one peroxidic moiety and at least one fluoropolyoxyalkene chain (chain R | 01-20-2011 |
| 20110118159 | FUEL OIL COMPOSITIONS WITH IMPROVED COLD FLOW PROPERTIES - The use is described of polymers which contain, in copolymerized form, an α-olefin, a vinyl ester and an ester of an α,β-unsaturated carboxylic acid as an additive for fuel oils and lubricants and in particular as a cold flow improver in fuel oils. In addition, the fuel oils and lubricants additized with these polymers; and also additive packages comprising such polymers are described. | 05-19-2011 |
| 20120322707 | GREASE COMPOSITIONS COMPRISING ESTOLIDE BASE OILS - Provided herein are grease compositions comprising at least one estolide compound of formula: | 12-20-2012 |
| 20130017983 | SYNTHESIS OF BIOLUBRICANT ESTERS FROM UNSATURATED FATTY ACID DERIVATIVES - The present invention is generally directed to diester-based lubricant compositions comprising one or more isomeric mixtures of diester species wherein the kinematic viscosity of the composition at temperature of 100 C is at least 3 mm2/s The present invention is also directed to methods of making these and other similar lubricant compositions. In some embodiments, the methods for making such diester-based lubricants utilize a biomass precursor material from which mono-unsaturated free lipid species can be provided or otherwise generated, wherein such mono-unsaturated free lipid species are converted to isomeric diol species en route to the synthesis of diester species for use as/in the diester-based lubricant compositions. | 01-17-2013 |
| 20130150274 | EXTREME PRESSURE AGENT FOR LUBRICANT OIL AND LUBRICANT OIL COMPOSITION CONTAINING SAME - The purpose of the present invention is to provide an extreme pressure agent which does not contain any metal element or the like and is highly safe but which exhibits performance equivalent to those of conventional extreme pressure agents each containing a metal element or the like when used in lubrication purposes. | 06-13-2013 |
| 20130338050 | ESTOLIDE COMPOSITIONS EXHIBITING HIGH OXIDATIVE STABILITY - Provided herein are estolide compositions having high oxidative stability, said compositions comprising at least one compound of formula: | 12-19-2013 |
| 20140011723 | LUBRICANT COMPOSITION - Provided is a lubricant composition derived from renewable materials and that is useable in cold weather conditions and exhibits oxidative stability. The lubricant composition comprises a polymer of Formula (I), wherein R and p are as described in this specification. | 01-09-2014 |
| 20140121143 | LOW VISCOSITY LUBRICATING OIL BASE STOCKS AND PROCESSES FOR PREPARING SAME - A composition that includes one or more compounds represented by the formula | 05-01-2014 |
| 20140128302 | LUBRICANT OIL COMPOSITION FOR COMPRESSION REFRIGERATOR - The present invention is able to provide a lubricating oil composition having excellent thermal/chemical stability even when used for a compression refrigerating machine using a saturated fluorinated hydrocarbon refrigerant having a low carbon number and a low global warming potential, by using a refrigerant containing a saturated fluorinated hydrocarbon having from 1 to 3 carbon atoms, which uses, as a base oil, an oxygen-containing organic compound composed of at least one member selected from a polyoxyalkylene glycol, a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol and a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol monoether and a polyvinyl ether, and a polyol ester, each having a water content of not more than 500 ppm by mass. | 05-08-2014 |
| 20140235517 | ESTERS FOR USE AS A BASE STOCK AND IN LUBRICANT APPLICATIONS - This invention relates to base ester compounds and complex ester compounds that can be used as a base stock for lubricant applications or a base stock blend component for use in a finished lubricant or for particular applications, and methods of making the same. The base ester compounds and complex esters described herein comprise dimer and/or trimer esters, and their respective branched derivatives. | 08-21-2014 |
| 20140274843 | LUBRICANT COMPOSITIONS INCLUDING ALPHA-OLEFIN COPOLYMERS - A lubricant composition may include a copolymer having constitutional units formed from monomers including an alpha-olefin and an α-ester-alk-ω-ene molecule, where the composition has a kinematic viscosity at 100° C. of at most 20 centistokes, or of at least 40 centistokes. A lubricant composition may include a copolymer having constitutional units formed from monomers including an alpha-olefin, an α-ester-alk-ω-ene molecule and an α-(carboxylic acid)-alk-ω-ene molecule, where the composition has a viscosity that varies as the molar ratio of the α-ester-alk-ω-ene molecule α-(carboxylic acid)-alk-ω-ene molecule in the monomers varies. | 09-18-2014 |
| 20140274844 | HIGH-VISCOSITY ALPHA-OLEFIN COPOLYMER COMPOSITIONS AND METHODS OF MAKING AND USING THE SAME - Copolymers of alpha-olefins are generally disclosed, including methods of making such copolymers. In some embodiments, copolymers of alpha-olefins and certain unsaturated ester compounds are also disclosed, including methods of making such copolymers. Lubricant compositions including copolymers of alpha-olefins are also disclosed, as well as methods of using such compositions in certain lubricant applications. | 09-18-2014 |
| 20140323373 | NOVEL SULPHUR-BRIDGED COMPOUNDS, USE THEREOF AND PROCESS FOR PRODUCTION THEREOF - The present invention relates to novel sulphur-bridged compounds, in which within the molecule there is at least one fatty acid bonded by way of at least one sulphur bridge to at least one polyalkylene glycol ester, the reaction product of a fatty acid with a polyalkylene glycol, and these have from 8 to 29% by weight sulphur content, to use of these as sulphur carrier and lubricant additive and to production of the said compounds. | 10-30-2014 |
| 20160108335 | Lubricant Compositions Including Alpha-Olefin Copolymers - A lubricant composition may include a copolymer having constitutional units formed from monomers including an alpha-olefin and an α-ester-alk-ω-ene molecule, where the composition has a kinematic viscosity at 100° C. of at most 20 centistokes, or of at least 40 centistokes. A lubricant composition may include a copolymer having constitutional units formed from monomers including an alpha-olefin, an α-ester-alk-ω-ene molecule and an α-(carboxylic acid)-alk-ω-ene molecule, where the composition has a viscosity that varies as the molar ratio of the α-ester-alk-ω-ene molecule α-(carboxylic acid)-alk-ω-ene molecule in the monomers varies. | 04-21-2016 |
| 20160200999 | Maleinized Ester Derivatives | 07-14-2016 |
