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Class Information
Number: 585/508
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By addition of entire unsaturated molecules, e.g., polymerization, etc. > Poly-double-bond product > More than two double bonds, e.g., diene polymerization, etc. > Of definite molecular weight, e.g., dimer, etc.
Description: Subject matter wherein the product can be described by an empirical formula having only invariable subscripts.

Patents under this class:

Patent Number Title Of Patent Date Issued
8524930 Class of olefin metathesis catalysts, methods of preparation, and processes for the use thereof Sep. 3, 2013
8450549 Fuel compositions comprising isoprene derivatives May. 28, 2013
6603045 Preparation of phosphonium salts Aug. 5, 2003
6103676 Dispersants and dispersant viscosity index improvers from selectively hydrogenated polymers: hydroformylation/reductive amination reaction products Aug. 15, 2000
5969204 Process for the production of distyryl-biphenyl compounds Oct. 19, 1999
5877375 Production of monoolefin oligomer Mar. 2, 1999
5744666 Process for preparing an alkynyl fulvene group containing compound and said compound Apr. 28, 1998
5744675 Process for preparing an oligomer mixture from .alpha.,.omega.-diolefines and mixture prepard. Apr. 28, 1998
5728911 Process for the preparation of low molecular weight copolymers of ethylene with at least one other 1-alkene Mar. 17, 1998
5728908 Process for preparing a bridged ligand and said bridged ligand Mar. 17, 1998
5686535 Viscous conjugated diene block copolymers Nov. 11, 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
5556932 Chlorine-free, non-drying isobutene/diene copolymers and process for their preparation Sep. 17, 1996
5545789 Process for the dimerization of a conjugated diene Aug. 13, 1996
5510555 Catalyst and process for oligomerizing olefins Apr. 23, 1996
5387730 Vulcanizable liquid compositions Feb. 7, 1995
5345007 Process for the preparation of octadienols Sep. 6, 1994
5324878 Process for catalytic dimerization of isobutene Jun. 28, 1994
5306856 Method of manufacturing methylidene-group-containing .alpha.,.omega.-unsaturated oligomers from .alpha.,.omega.-diolefins in the presence of organoaluminum compounds as catalysts Apr. 26, 1994
5300716 Process for the preparation of polyunsaturated olefins Apr. 5, 1994
5288937 Vulcanizable liquid compositions Feb. 22, 1994
5238998 Toner and developer compositions with liquid glass resins Aug. 24, 1993
5237117 Potassium carbonate supports, catalysts, and olefin dimerization processes therewith Aug. 17, 1993
5210359 Vulcanizable liquid compositions May. 11, 1993
5149895 Vulcanizable liquid compositions Sep. 22, 1992
4973787 Process for the thermal dimerization of isoprene Nov. 27, 1990
4954125 Catalyst for polymerization of conjugated diene and process for producing conjugated diene polymer Sep. 4, 1990
4902766 Liquid aliphatic resins Feb. 20, 1990
4713424 Polymerization of olefinic hydrocarbons and complex-initiator therefor Dec. 15, 1987
4692548 Process for the preparation of unsaturated compounds Sep. 8, 1987
4610876 Attractants for fall cankerworm moths Sep. 9, 1986
4593140 Process for dimerizing conjugated dienes Jun. 3, 1986
4331823 Catalyst, preparation thereof and use thereof in the preparation of telomeric polybutadiene homo- or co-polymers May. 25, 1982
4169865 Production of aromatic hydrocarbons Oct. 2, 1979
4144278 Diolefin dimerization using nitrosyl halides of iron triad metals Mar. 13, 1979
4126642 Conversion of butadiene (1,3) and methanol Nov. 21, 1978
4120907 Bis(.mu.-diphenylphosphido)tris(triethylphosphine)dinickel oligomerization of 1,3 butadiene Oct. 17, 1978
4115470 Organophosphorus nickel complexes and use thereof Sep. 19, 1978
4105855 Manufacture of symmetrical carotenoids Aug. 8, 1978
4071575 Process for producing 2,6-dimethyl-1,3,6-octatriene Jan. 31, 1978
4065512 Iso-C.sub.4 compound reactions with perfluorosulfonic acid resin catalysts Dec. 27, 1977
4048420 Polymerizations catalyzed by very finely divided lithium Sep. 13, 1977
4025570 Preparation of 1,4-dienes of high trans-isomer content May. 24, 1977
4018840 Process for preparing alkenylbenzenes Apr. 19, 1977
4003958 Process for producing myrcene Jan. 18, 1977
3970592 Unsaturated hydrocarbons and process for making same Jul. 20, 1976
3932550 Process for production of 2,6-dimethyl-1,3,6-octatriene Jan. 13, 1976

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