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Browse by Category: Main > Chemistry
Class Information
Number: 585/18
Name: Chemistry of hydrocarbon compounds > Compound or reaction product mixture > Polymer of indefinite molecular weight > Acyclic
Description: Subject matter in which the polymer has no ring in its structure.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8604258 Base oil having high kinematic viscosity and low pour point Dec. 10, 2013
8546306 Microcapsules comprising a lipophilic surfactant and oil Oct. 1, 2013
8546506 Polymerization of isoprene from renewable resources Oct. 1, 2013
8530712 Process for producing novel synthetic basestocks Sep. 10, 2013
8455416 Low viscosity oligomer oil product, process and composition Jun. 4, 2013
8420759 Polymers of isoprene from renewable resources Apr. 16, 2013
8389780 Polyalphaolefins and processes for forming polyalphaolefins Mar. 5, 2013
8383869 Olefin oligomer composition Feb. 26, 2013
8354566 Lubricating oil additive and lubricating oil composition containing same Jan. 15, 2013
8232439 Use of isoalkane mixtures for dedusting construction chemistry products Jul. 31, 2012
8168838 Hydrocarbon compositions useful as lubricants May. 1, 2012
8148588 Process for preparing polyolefins in suspension Apr. 3, 2012
8138383 Membrane active heteropolymers Mar. 20, 2012
8101809 Base oil composition comprising oligomerized olefins Jan. 24, 2012
8067652 Processes for controlling the viscosity of polyalphaolefins Nov. 29, 2011
7943807 Controlling branch level and viscosity of polyalphaolefins with propene addition May. 17, 2011
7498396 Mid-range vinylidene content polyisobutylene polymer product produced by liquid phase polymerization process Mar. 3, 2009
7479227 Liquid-phase separation of low molecular weight organic compounds Jan. 20, 2009
7456329 Polyolefins from non-conventional feeds Nov. 25, 2008
7402235 Viscosity improver compositions providing improved low temperature characteristics to lubricating oils Jul. 22, 2008
7060865 Recovery of C4 olefins from a product stream comprising C4 olefins, dimethyl ether and C5+ hydrocarbons Jun. 13, 2006
7037999 Mid-range vinylidene content polyisobutylene polymer product and process for producing the same May. 2, 2006
7015255 Medium oil for slurry-bed reaction process and process of producing dimethyl ether Mar. 21, 2006
6764985 Viscosity modifier for lubricating oil and lubricating oil composition Jul. 20, 2004
6730818 Ethylene alpha-olefin polymers, process and uses May. 4, 2004
6703356 Synthetic hydrocarbon fluids Mar. 9, 2004
6617467 Process for producing polyalkylene carbonates Sep. 9, 2003
6589920 Viscosity modifier for lubricating oil and lubricating oil composition Jul. 8, 2003
6586646 Vinylidene-containing polymers and uses thereof Jul. 1, 2003
6525007 Viscosity modifier for lubricating oil and lubricating oil composition Feb. 25, 2003
6448452 Fluorine-containing diene, its production method and its polymer Sep. 10, 2002
6417416 Ethylene-alpha-olefin polymers, processes and uses Jul. 9, 2002
6414090 Process for producing a polymer of an .alpha.-olefin and lubricant Jul. 2, 2002
6407299 Alkyl magnesium catalyzed synthesis of ethylene and .alpha.-olefin polymers Jun. 18, 2002
6388148 Ethylene-alpha-olefin polymers, processes and uses May. 14, 2002
6313077 Use of polyalphaolefins (PAO) derived from dodecene or tetradecene to improve thermal stability in engine oil in an internal combustion engine Nov. 6, 2001
6291719 Methods and equipments of using dual functional catalyst of packing type Sep. 18, 2001
6262324 Ethylene-alpha-olefin polymers, processes and uses Jul. 17, 2001
6150576 Synthesis of branched polyethylene fluids for use in lubricant compositions Nov. 21, 2000
6143846 Polypropylene wax Nov. 7, 2000
6124513 Ethylene-alpha-olefin polymers, processes and uses Sep. 26, 2000
6114542 Ethers of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same Sep. 5, 2000
6071863 Biodegradable polyalphaolefin fluids and formulations containing the fluids Jun. 6, 2000
6063973 Synthesis of branched polyethylene fluids for use in lubricant compositions May. 16, 2000
6063880 Process for the preparation of a polyolefin wax May. 16, 2000
5929185 Copolymers of alk-1-enes and .alpha., .omega.-dienes having a high viscosity index Jul. 27, 1999
5880241 Olefin polymers Mar. 9, 1999
5750813 Process for the preparation of polyolefin waxes May. 12, 1998
5728911 Process for the preparation of low molecular weight copolymers of ethylene with at least one other 1-alkene Mar. 17, 1998
5698751 Branched polyene compounds and production thereof Dec. 16, 1997

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