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Class Information
Number: 585/17
Name: Chemistry of hydrocarbon compounds > Compound or reaction product mixture > Polymer of indefinite molecular weight
Description: Subject matter wherein the product is a molecule or mixture of molecules which cannot be defined by an empirical formula in which all numerical values are invariable, and which has been formed by the union of smaller entire hydrocarbon molecules (addition polymerization) or the hydrocarbyl moieties of nonhydrocarbon molecules (condensation polymerization).

Sub-classes under this class:

Class Number Class Name Patents
585/18 Acyclic 151
585/19 Containing aromatic ring 46

Patents under this class:

Patent Number Title Of Patent Date Issued
8604258 Base oil having high kinematic viscosity and low pour point Dec. 10, 2013
8530712 Process for producing novel synthetic basestocks Sep. 10, 2013
8388828 Recovery and use of conjunct polymers from ionic liquid catalysts Mar. 5, 2013
8288015 Triphenylene based aromatic compounds and OLEDs utilizing the same Oct. 16, 2012
8168838 Hydrocarbon compositions useful as lubricants May. 1, 2012
8143468 Process for preparing 3-methylbut-1-ene Mar. 27, 2012
8101809 Base oil composition comprising oligomerized olefins Jan. 24, 2012
7884256 Polymerizable higher diamondoid derivatives Feb. 8, 2011
7867938 Catalytic oligomerization of olefinic monomers Jan. 11, 2011
7741526 Feedstock preparation of olefins for oligomerization to produce fuels Jun. 22, 2010
7534924 Hydrocarbon mixtures comprising modified polycyclic aromatic hydrocarbons May. 19, 2009
7335807 Solventless liquid isoprene compounds Feb. 26, 2008
7223893 Linear alpha-olefin dimers possessing substantial linearity May. 29, 2007
7015255 Medium oil for slurry-bed reaction process and process of producing dimethyl ether Mar. 21, 2006
6545156 Oligomeric hindered amine light stabilizers based on multi-functional carbonyl compounds and methods of making same Apr. 8, 2003
6103676 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products Aug. 15, 2000
5880241 Olefin polymers Mar. 9, 1999
5856600 Production process of depolymerized natural rubber Jan. 5, 1999
5847247 Terpene-based solvents Dec. 8, 1998
5723709 Terpene dimer compositions and related methods of manufacture Mar. 3, 1998
5698751 Branched polyene compounds and production thereof Dec. 16, 1997
5637783 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers Jun. 10, 1997
5633414 Preparation of tetrafluoroethylene May. 27, 1997
5633415 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers May. 27, 1997
5578743 Cyclopymerization polymers from non-conjugated dienes Nov. 26, 1996
5545783 Vulcanizable liquid compositions Aug. 13, 1996
5516884 Preparation of polycarbynes and diamond-like carbon materials made therefrom May. 14, 1996
5510548 Vulcanizable liquid compositions Apr. 23, 1996
5446222 Oligomers of cyclopentadiene and process for making them Aug. 29, 1995
5276227 C.sub.2 -C.sub.5 olefin oligomer compositions as shear stable viscosity index improvers Jan. 4, 1994
5268520 Lower alkene polymers Dec. 7, 1993
5264642 Molecular weight control of olefin oligomers Nov. 23, 1993
5171903 Lubricating oil composition Dec. 15, 1992
5139760 Amorphous silica-alumina spherical particles and process for preparation thereof Aug. 18, 1992
5113030 High viscosity index lubricant compositions May. 12, 1992
5072067 Lubricating oil composition Dec. 10, 1991
5068476 Lubricant oligomers of C.sub.2 -C.sub.5 olefins Nov. 26, 1991
5061363 Method for co-processing waste rubber and carbonaceous material Oct. 29, 1991
4997898 Vinylcyclohexane-based polymers and process for production thereof Mar. 5, 1991
4990709 C2-C5 olefin oligomerization by reduced chromium catalysis Feb. 5, 1991
4982026 Lower alkene polymers Jan. 1, 1991
4968853 Alpha-olefin polymers Nov. 6, 1990
4962249 High VI lubricants from lower alkene oligomers Oct. 9, 1990
4827073 Process for manufacturing olefinic oligomers having lubricating properties May. 2, 1989
4788361 Polymeric viscosity index improver and oil composition comprising the same Nov. 29, 1988
4239638 Use of synthetic hydrocarbon oils as heat transfer fluids Dec. 16, 1980
4191799 Bonding carpet backing using a latex extended with grafted mineral oil Mar. 4, 1980
4179550 Method for preparing a novel polymer Dec. 18, 1979
3962035 Hydrocarbon conversion process Jun. 8, 1976

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