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Class Information
Number: 585/600
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > Product having more than two double bonds
Description: Subject matter wherein the synthesis operation produces a compound having more than two olefinically unsaturated bonds in the molecule.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8389790 Process for isomerisation of lycopene in the presence of thiourea Mar. 5, 2013
8318141 Cosmetic depilatory composition Nov. 27, 2012
7595427 Process for production of styrene by catalytic gas phase dehydrogenation of ethylbenzene Sep. 29, 2009
7582777 Long chain (C22-C50) polyunsaturated hydrocarbons, derivatives, synthesis and uses thereof Sep. 1, 2009
7524896 Hydroxypivalyl hydroxypivalate ester plasticizer composition and method of preparing the same Apr. 28, 2009
7271296 Method for the production of phytofluene Sep. 18, 2007
7105714 Solvent-free mechanochemical preparation of phosphonium salts, phosphorus ylides, and olefins Sep. 12, 2006
7102046 Process for the arylation of olefins Sep. 5, 2006
6703436 Neopentylglycol ester based plasticizer composition for polyvinyl chloride resin and method of process thereof Mar. 9, 2004
6433226 Preparation of phosphonium salts Aug. 13, 2002
6331652 Process for producing lycopene and intermediate thereof Dec. 18, 2001
6187959 Preparation of phosphonium salts Feb. 13, 2001
6040407 Chain polyene group-containing norbornene compound and unsaturated ethylene copolymer using the same Mar. 21, 2000
6031143 Process for the production of styrene Feb. 29, 2000
5973092 Cyclopentadiene derivatives for carbon-carbon composites Oct. 26, 1999
5886197 Process for the preparation of .alpha.-tocopherol Mar. 23, 1999
5744666 Process for preparing an alkynyl fulvene group containing compound and said compound Apr. 28, 1998
5728917 Polymer depolymerization using ruthenium and osmium carbene complexes Mar. 17, 1998
5728908 Process for preparing a bridged ligand and said bridged ligand Mar. 17, 1998
5659101 Catalytic system and process for the production of polydiolefins Aug. 19, 1997
5569800 Electrophotographic photoconductor, pyrene-ring-containing olefin compound for use in the same, intermediate for synthesizing the olefin compound, and method of synthesizing the olefin compoun Oct. 29, 1996
5300716 Process for the preparation of polyunsaturated olefins Apr. 5, 1994
5124501 Process for the preparation of an unsaturated polyolefin Jun. 23, 1992
5073659 Process for the preparation of terpenes Dec. 17, 1991
4992609 Phosphonium salts and processes for production of and uses for the same Feb. 12, 1991
4952742 Preparation of polyunsaturated hydrocarbons Aug. 28, 1990
4940826 Process for the production of mono-olefins by the catalytic oxidative dehydrogenation of gaseous paraffinic hydrocarbons having two or more carbon atoms Jul. 10, 1990
4922049 Synthesis of cis-olefins May. 1, 1990
4795850 Process for the production of a synthesis gas conversion catalyst Jan. 3, 1989
4654461 Production of high (Z,Z) content 1,5,9-tetradecatriene Mar. 31, 1987
4652692 New process for the preparation of 1,3,5-undecatrienes Mar. 24, 1987
4605810 Allene or alkyne treatment of olefin conversion catalysts Aug. 12, 1986
4545861 Fractionation system Oct. 8, 1985
4412089 Process for the preparation of dienes and/or trienes Oct. 25, 1983
4390444 Use of isomeric mixtures of farnesene for augmenting or enhancing the aroma of detergent compositions Jun. 28, 1983
4331814 Sulphones having a 1,5-dimethyl-hexa-1,5-dienylene group May. 25, 1982
4292454 Coupling reaction involving a Grignard and allylic halide Sep. 29, 1981
4233230 Process for preparing olefins by metathesis of cyclic olefins with acyclic olefins Nov. 11, 1980
4228313 Coupling reaction involving a Grignard and allylic halide Oct. 14, 1980
4221742 Coupling reaction involving a Grignard and allylic halide Sep. 9, 1980
4175187 Process for the preparation of tertiary allylic amines from vinylic halides and olefins Nov. 20, 1979
4168271 Unsaturated vitamin E intermediates--dehydro and didehydro .alpha.-tocopherols Sep. 18, 1979
4143083 Dehydrogenation process Mar. 6, 1979
4116955 Inclusion complex compound, process for its production, and method for its use Sep. 26, 1978
4108917 Isomerization of terpene compounds Aug. 22, 1978
4085263 Process for isomerization of lower polymers of butadiene Apr. 18, 1978
4071575 Process for producing 2,6-dimethyl-1,3,6-octatriene Jan. 31, 1978
4026957 Symmetrical conjugated diene and polyene synthesis via vinylmercuric salts May. 31, 1977
4014951 Process for the preparation of poly-unsaturated hydrocarbons Mar. 29, 1977
4010217 Olefin conversion Mar. 1, 1977

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