Class / Patent application number | Description | Number of patent applications / Date published |
585017000 | Polymer of indefinite molecular weight | 25 |
20110124932 | METHOD FOR CONVERTING WASTE PLASTIC TO LOWER-MOLECULAR WEIGHT HYDROCARBONS, PARTICULARLY HYDROCARBON FUEL MATERIALS, AND THE HYDROCARBON MATERIAL PRODUCED THEREBY - A method produces a hydrocarbonaceous fluid (a liquid mixture of hydrocarbons, or in other words a mixture of hydrocarbons which is liquid at ambient room temperature and atmospheric pressure), which functionally is a liquid hydrocarbon fuel, from a feed of waste plastic. The method comprises in broad embodiments the steps of: (step 1) melting a feed of substantially solid waste plastic in an aerobic atmosphere (for instance, air) whereby a waste-plastic melt is produced; (step 2) distilling at least a portion of the waste-plastic melt whereby a hydrocarbonaceous distillate is produced; and (step 3) collecting the hydrocarbonaceous distillate. That distillate is generally referred to above as a condensate. In some preferred embodiments, the method includes the step of commutating the feed of substantially solid waste plastic into pieces substantially no greater than about 1.5 cm | 05-26-2011 |
20110178348 | HYDROCARBON COMPOSITIONS USEFUL AS LUBRICANTS - A process for the preparation of a synthetic predominantly single carbon number hydrocarbon fluid comprises the steps of: contacting an alpha olefin having a carbon number of 4 to 30 with a single site catalyst under conditions effective to produce reactive hydrocarbon oligomers that contain reactive double bonds and comprising predominantly dimers, trimers, and tetramers wherein at least 10 weight percent of such reactive hydrocarbon oligomers at least one of trimers and tetramers; separating at least one of said trimers and tetramers in said reactive hydrocarbon oligomers; dimerizing said separated one of said trimers tetramers by contacting said separated one of said trimers or tetramers with a dimerization catalyst thereby producing an unsaturated synthetic hydrocarbon fluid; and contacting said unsaturated synthetic hydrocarbon fluid with hydrogen in the presence of a hydrogenation catalyst thereby producing a synthetic hydrocarbon fluid having predominantly single carbon number. | 07-21-2011 |
20120108862 | RECOVERY AND USE OF CONJUNCT POLYMERS FROM IONIC LIQUID CATALYSTS - A process comprising regenerating a used ionic liquid catalyst, recovering conjunct polymer from the regenerated catalyst and using at least a portion of the conjunct polymer is disclosed. | 05-03-2012 |
20130172635 | METHOD FOR PRODUCING FLUID, COLOURLESS POLYOCTENAMER BY RING-OPENING, METATHETIC POLYMERIZATION OF CYCLOOCTENE - A polyoctenamer is described which at room temperature is liquid, colourless and clear, and which is produced by ring-opening, metathesis polymerization of cyclooctene. | 07-04-2013 |
20140046102 | METHOD FOR OBTAINING WAX FROM RECYCLED POLYETHYLENE - An economical and environmentally friendly method for producing waxes. In particular, the methods use thermolytic degradation concurrently with a distillation process to obtaining distilled waxes from recycled polyethylene. The resulting waxes have desirable properties, such as reduced molecular weight and narrow polydispersity, that makes the waxes useful in various applications. | 02-13-2014 |
20140171699 | PROCESS FOR MAKING SATURATED HYDROCARBONS FROM RENEWABLE FEEDS - Provided are processes for making saturated hydrocarbons from renewable feed sources. In an embodiment, a process for producing a lube basestock and/or a diesel fuel from a feedstock of biological origin includes: contacting the feedstock in a single reactor in the presence of hydrogen with catalyst components including a first catalyst and a second catalyst, wherein the first catalyst comprises an acidic material, a basic material, or a combination of both, and wherein the second catalyst is a hydrogenation catalyst including a hydrothermally stable binder. | 06-19-2014 |
20140171700 | PROCESS FOR MAKING LUBE BASE STOCKS FROM RENEWABLE FEEDS - Provided are processes for making hydrocarbons from renewable feed sources. In an embodiment, there is provided a method for co-producing lube basestock and transportation fuel from a feedstock of biological origin, the method including: a) converting a feedstock of biological origin to a ketone or a dimer acid in the presence of a first catalyst; and b) hydrogenating the ketone or the dimer acid to produce a hydrocarbon in the presence of a second catalyst comprising a hydrogenation catalyst and a hydrothermally stable binder. | 06-19-2014 |
20140330056 | HYPERBRANCHED OLEFIN OIL-BASED DIELECTRIC FLUID - The present invention generally relates to a dielectric composition which is a poly-α-olefin or poly(co-ethylene-α-ol-efin) having a backbone weight average molecular weight less than 10,000 daltons. The dielectric composition uses a metal-ligand complex as a precatalyst and exhibits a hyperbranched structure that enables low viscosity, and therefore good flow characteristics, combined with high fire point due to ability to increase molecular weight via branching rather than backbone growth. Other desirable properties include lowered pour point due to crystallization disruption, and desirable thermal oxidative stability. | 11-06-2014 |
585018000 | Acyclic | 17 |
20090054710 | METHOD FOR THE TELOMERIZATION OF NON-CYCLIC OLEFINS - Process for telomerizing noncyclic olefins having at least two conjugated double bonds with at least one nucleophile using a catalyst containing a metal of group 8, 9 or 10 of the Periodic Table of the Elements, wherein the overall telomerization process has a process step of catalyst recycling, in which hydrogen is added via a hydrogen source to the mixture present in this process step. | 02-26-2009 |
20090198089 | CONTROLLING BRANCH LEVEL AND VISCOSITY OF POLYALPHAOLEFINS WITH PROPENE ADDITION - The invention relates to a polyalphaolefin formed from a decene and propene and having a branch level greater than 19% and to a process for forming such polyalphaolefins. The invention also relates to a process for forming a polyalphaolefin from at least two monomers, the two monomers comprising a decene and propene, the process comprising the steps of, inter alia, providing a correlation between the total amount of propene used to form the polyalphaolefin and at least one of branch level or viscosity of the polyalphaolefin to make polyalphaolefins comprising decene and propene with predictable branch levels and viscosities. | 08-06-2009 |
20090270664 | Olefin Waxes Having Improved Hardness or Viscosity - In one embodiment, we disclose hardened olefin waxes and processes for preparing them. In another embodiment, we disclose oxidized olefin waxes having low viscosity and processes for preparing them. The waxes are suitable for use as polishes, coatings, or inks, among other uses. | 10-29-2009 |
20100317904 | OLIGOMERIZATION OF ALPHA OLEFINS USING METALLOCENE-SSA CATALYST SYSTEMS AND USE OF THE RESULTANT POLYALPHAOLEFINS TO PREPARE LUBRICANT BLENDS - This disclosure provides for alpha olefin oligomers and polyalphaolefins (or PAOs) and methods of making the alpha olefin oligomers and PAOs. This disclosure encompasses metallocene-based alpha olefin oligomerization catalyst systems, including those that include at least one metallocene and an activator comprising a solid oxide chemically-treated with an electron withdrawing anion. The alpha olefin oligomers and PAOs prepared with these catalyst systems can have a high viscosity index combined with a low pour point, making them particularly useful in lubricant compositions and as viscosity modifiers. | 12-16-2010 |
20110004036 | HETEROGENEOUS DIMERIZATION OF ALPHA-OLEFINS WITH ACTIVATED METALLOCENE COMPLEXES - Methods for dimerizing alpha-olefins utilizing immobilized buffered catalysts wherein the catalytic component is of the form (ligand) | 01-06-2011 |
20110082323 | OLIGOMERIZATION OF OLEFIN WAXES USING METALLOCENE-BASED CATALYST SYSTEMS - This disclosure provides for olefin wax oligomer compositions, methods of producing olefin wax oligomer composition, and methods for oligomerizing olefin waxes. This disclosure encompasses metallocene-based olefin wax oligomerization catalyst systems, including those that include a metallocene and an aluminoxane, a metallocene and a solid oxide chemically-treated with an electron withdrawing anion, and a metallocene, a solid oxide chemically-treated with an electron withdrawing anion, and an organoaluminum compound. The olefin wax oligomers prepared with these catalyst systems can decreased needle penetrations, increased viscosity, and an increased drop melt, making them useful as an additive in candles, stone polishes, liquid polishes, and mold release formulations. | 04-07-2011 |
20110092752 | Polyalphaolefins and processes for forming polyalphaolefins - The invention is directed to polyalphaolefins (PAOs) and processes for forming PAOs. In one embodiment, the invention is to a process for forming a PAO comprising polymerizing C | 04-21-2011 |
20120203041 | LUBRICATING OIL ADDITIVE AND LUBRICATING OIL COMPOSITION CONTAINING SAME - An overbased salt of an oligomerized alkylhydroxyaromatic compound for use in a lubricating oil composition is disclosed, wherein the alkyl group of the alkylhydroxyaromatic compound is derived from an olefin mixture comprising propylene oligomers having an initial boiling point of at least about 195° C. and a final boiling point of greater than 325° C. and up to about 400° C. as measured by ASTM D86. Also disclosed is a propylene oligomer having an initial boiling point of at least about 195° C. and a final boiling point of greater than 325° C. and up to about 400° C. as measured by ASTM D8, wherein the propylene oligomer contains a distribution of carbon atoms that comprise at least about 50 weight percent of C | 08-09-2012 |
20130245343 | New Poly Alpha Olefin Compositions - This invention is directed to a poly alpha olefin (PAO) composition formed in a first oligomerization, wherein at least portions of the PAO have properties that make them highly desirable for a subsequent oligomerization. A preferred process for producing this PAO uses a single site catalyst at high temperatures without adding hydrogen to produce a low viscosity PAO with excellent Noack volatility at high conversion rates. This PAO comprises a dimer product with at least 25 wt % tri-substituted vinylene olefins wherein said dimer product is highly desirable as a feedstock for a subsequent oligomerization. This PAO also comprises trimer and optionally higher oligomer products with outstanding properties that make these products useful as lubricant basestocks following hydrogenation. | 09-19-2013 |
20130245344 | Poly Alpha Olefin Compositions - Poly alpha olefins (PAOs) are characterized by very low viscosity and excellent Noack volatility. A preferred process for synthesizing said PAOs involves first oligomerizing low molecular weight linear alpha olefins in the presence of a single site catalyst at high temperatures without adding hydrogen and then subsequently oligomerizing at least a portion of the product from the first step in the presence of an oligomerization catalyst. | 09-19-2013 |
20130317265 | Oligomerization of Alpha Olefins Using Metallocene-SSA Catalyst Systems and Use of the Resultant Polyalphaolefins to Prepare Lubricant Blends - This disclosure provides for alpha olefin oligomers and polyalphaolefins (or PAOs) and methods of making the alpha olefin oligomers and PAOs. This disclosure encompasses metallocene-based alpha olefin oligomerization catalyst systems, including those that include at least one metallocene and an activator comprising a solid oxide chemically-treated with an electron withdrawing anion. The alpha olefin oligomers and PAOs prepared with these catalyst systems can have a high viscosity index combined with a low pour point, making them particularly useful in lubricant compositions and as viscosity modifiers. | 11-28-2013 |
20140148623 | FUEL COMPOSITIONS COMPRISING ISOPRENE DERIVATIVES - The invention provides for methods, compositions and systems using bioisoprene derived from renewable carbon for production of a variety of hydrocarbon fuels and fuel additives. | 05-29-2014 |
20140148624 | OLEFINS AND METHODS FOR MAKING THE SAME - Provided herein are olefinic feedstocks derived from conjugated hydrocarbon terpenes (e.g., C | 05-29-2014 |
20140179964 | Acid-Catalyzed Olefin Oligomerizations - The present invention discloses processes for oligomerizing a monomer containing internal olefins using a solid acid catalyst. Illustrative monomers can contain at least 50 wt. % C | 06-26-2014 |
20140213834 | ULTRA HIGH VISCOSITY SYNTHETIC BASE STOCKS AND PROCESSES FOR PREPARING SAME - Provided is a polyalphaolefin (PAO) fluid including a polymer of one or more C | 07-31-2014 |
20140275664 | 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. | 09-18-2014 |
20220135889 | PROCESS FOR THE PREPARATION OF POLYETHYLENES FROM WASTE PLASTIC FEEDSTOCKS - The present invention relates to a process for the production of ethylene-based polymers from waste plastics feedstocks comprising the steps in this order of: (a) providing a hydrocarbon stream A obtained by hydrotreatment of a pyrolysis oil produced from a waste plastics feedstock; (b) optionally providing a hydrocarbon stream B; (c) supplying a feed C comprising a fraction of the hydrocarbon stream A and optionally a fraction of the hydrocarbon stream B to a thermal cracker furnace comprising cracking coil(s); (d) performing a thermal cracking operation in the presence of steam to obtain a cracked hydrocarbon stream D; (e) supplying the cracked hydrocarbon stream D to a separation unit; (f) performing a separation operation in the separation unit to obtain a product stream E comprising ethylene; (g) supplying the product stream E to a polymerisation reactor; and (h) performing a polymerisation reaction in the polymerisation reactor to obtain an ethylene-based polymer; wherein in step (d): • ⋅ the coil outlet temperature is 2: 800 and; 870° C., preferably 2: 820 and; 870° C.; and • ⋅ the weight ratio of steam to feed C is >0.3 and <0.8. | 05-05-2022 |