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Class Information
Number: 585/608
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > Diolefin product > From nonhydrocarbon feed > O-containing > With unsaturated hydrocarbon in feed
Description: Subject matter wherein the feedstock to the synthesis also contains a hydrocarbon having olefinic or acetylenic unsaturation.

Patents under this class:

Patent Number Title Of Patent Date Issued
7442844 Process for producing isoprene Oct. 28, 2008
6667423 Process for the production of a diene in three successive stages from a tertiary alkyl ether Dec. 23, 2003
5629464 Method for forming unsaturated organics from organic-containing feed by employing a Bronsted acid May. 13, 1997
4952742 Preparation of polyunsaturated hydrocarbons Aug. 28, 1990
4943670 Preparation of conjugated dienes Jul. 24, 1990
RE32484 Oxidation catalysts Aug. 25, 1987
4684758 Production of 2,5-dimethyl-2,4-hexadiene Aug. 4, 1987
4593145 Process for producing isoprene Jun. 3, 1986
4536604 Butadiene reductive dimerization using a platinum catalyst and polymeric amine promoter Aug. 20, 1985
4533505 Process for the preparation of styrene derivatives and/or stilbene derivatives Aug. 6, 1985
4532083 Multiply promoted Sn/Sb oxide catalysts Jul. 30, 1985
4511751 Process for producing isoprene Apr. 16, 1985
4233230 Process for preparing olefins by metathesis of cyclic olefins with acyclic olefins Nov. 11, 1980
4147736 Method of preparing isoprene and isoamylenes Apr. 3, 1979
4092372 Catalyst for the production of isoprene May. 30, 1978
4067923 Process for producing isoprene Jan. 10, 1978
4057593 Process for preparing cis-olefins Nov. 8, 1977
4014952 Process for the preparation of isoprene Mar. 29, 1977
4000209 Isoprene production and catalyst therefor Dec. 28, 1976
3960973 Alkenol production Jun. 1, 1976

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