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Class Information
Number: 585/534
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > Triple-bond product
Description: Subject matter wherein the unsaturated hydrocarbon product is one having acetylenic unsaturation.

Sub-classes under this class:

Class Number Class Name Patents
585/538 From organic nontriple-bond feed 40
585/537 Using apparatus of recited composition 15
585/535 With heat conservation or using solid inert heat carrier, e.g., regenerative furnace, etc. 10

Patents under this class:
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Patent Number Title Of Patent Date Issued
8445739 Process for the conversion of natural gas to acetylene and liquid fuels with externally derived hydrogen May. 21, 2013
8080697 Process for the production of ethylene from natural gas with heat integration Dec. 20, 2011
7956228 Method and device for producing acetylene and synthesis gas by rapidly mixing the reactants Jun. 7, 2011
7928275 Method for producing acetylene Apr. 19, 2011
7217851 Synthesis of butadiynes May. 15, 2007
7119240 Method for converting natural gas to olefins Oct. 10, 2006
6967256 Formation of enediynes by reductive coupling followed by alkyne metathesis Nov. 22, 2005
6849664 Process for disposing biocide-containing cooling water Feb. 1, 2005
6632484 Dialkyne compounds Oct. 14, 2003
6602920 Method for converting natural gas to liquid hydrocarbons Aug. 5, 2003
6570046 Composition for acetylene production and method for treating lime slurry by-product from acetylene production May. 27, 2003
RE37947 Aromatic polyenic compounds and pharmaceutical/cosmetic compositions comprised thereof Dec. 31, 2002
6392110 Ordered polyacetylenes and process for the preparation thereof May. 21, 2002
6392112 Ordered polyacetylenes and process for the preparation thereof May. 21, 2002
6365792 Preparation of acetylene and synthesis gas Apr. 2, 2002
6359164 Process for the preparation of cyclopropylacetylene Mar. 19, 2002
6333443 Process for the production of methylacetylene and propadiene Dec. 25, 2001
6313364 Synthesis of cyclopropaneacetylene using a catalytic decarboxylation reaction Nov. 6, 2001
6297410 Process for the preparation of cyclopropylacetylene Oct. 2, 2001
6235957 Process for the preparation of cyclopropylacetylene May. 22, 2001
6207864 Process for preparing cyclopropylacetylene Mar. 27, 2001
6203724 Crosslinked cyclohexane derivatives, and liquid-crystalline medium Mar. 20, 2001
6180835 Process for the preparation of cyclopropylacetylene derivatives Jan. 30, 2001
6130260 Method for converting natural gas to liquid hydrocarbons Oct. 10, 2000
6127583 Process for preparing acetylene derivative from a ketone compound Oct. 3, 2000
6072094 Efficient synthesis of cyclopropylacetylene Jun. 6, 2000
6049019 Process for the preparation of cyclopropylacetylene Apr. 11, 2000
6042799 Coproduction of acetylene and hydrocyanic acid from acrylonitrile Mar. 28, 2000
6028237 Synthesis of cyclopropylacetylene Feb. 22, 2000
6002062 Process for the preparation of ethynylcyclopropane Dec. 14, 1999
5990368 Isomerization of allenes to alkynes with an alkaline-earth metal hydride containing catalyst Nov. 23, 1999
5973092 Cyclopentadiene derivatives for carbon-carbon composites Oct. 26, 1999
5952537 Preparation of cycloalkylacetylene compounds using dialkylaminomagnesium halide or bis(dialkylamino)magnesium Sep. 14, 1999
5948945 Prevention of spontaneous decomposition of gaseous acetylene Sep. 7, 1999
5942652 Ethane pyrolysis Aug. 24, 1999
5879585 Liquid crystalline compound having alkynyl group, and liquid crystal compositions and liquid crystal display device therefrom Mar. 9, 1999
5789644 Preparation of acetylene and synthesis gas Aug. 4, 1998
5744666 Process for preparing an alkynyl fulvene group containing compound and said compound Apr. 28, 1998
5728908 Process for preparing a bridged ligand and said bridged ligand Mar. 17, 1998
5663467 Synthesis of cyclopropylacetylene Sep. 2, 1997
5436361 Process for synthesizing enediynes Jul. 25, 1995
5185454 Process for the preparation of symmetrical diarylacetylenes Feb. 9, 1993
5162596 Z-12-heptadecen-1-yne Nov. 10, 1992
5082961 Method for the preparation of an alkynyl compound Jan. 21, 1992
5062998 Preparation of metallated and substituted alkynes Nov. 5, 1991
4952742 Preparation of polyunsaturated hydrocarbons Aug. 28, 1990
4795835 Solventless process for decontamination of polyacetylene Jan. 3, 1989
4795850 Process for the production of a synthesis gas conversion catalyst Jan. 3, 1989
4788379 Production of acetylene Nov. 29, 1988
4754097 Metathesis of acetylenes Jun. 28, 1988

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