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Class Information
Number: 568/459
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Aldehydes > Acyclic > Processes > Aldehyde reactant > Carbon to carbon unsaturation in the aldehyde prepared
Description: Processes wherein an aldehyde containing an unsaturated carbon to carbon linkage is prepared, e.g., acetylenic or ethylenic unsaturation containing.










Sub-classes under this class:

Class Number Class Name Patents
568/461 Aldehyde reacted with aldehyde 55
568/460 Oxy or -coo- containing reactant 44


Patents under this class:
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Patent Number Title Of Patent Date Issued
8674144 Catalyst for asymmetric hydrogenation and method for manufacturing optically active carbonyl compound using the same Mar. 18, 2014
8455698 Hydroxy- and aldehyde functional compounds Jun. 4, 2013
8394996 Method for producing aldehyde functional compounds Mar. 12, 2013
8389775 Process for preparing polyether alcohols Mar. 5, 2013
7973198 Method for synthesizing optically active carbonyl compounds Jul. 5, 2011
7683191 Organic salts and method for producing chiral organic compounds Mar. 23, 2010
7632973 Methods for preparing aldehydes by self-aldol condensation Dec. 15, 2009
7399879 Process for preparing alkylidene-substituted-1,4-dions derivatives Jul. 15, 2008
7285685 Method for dehydrogenation of carbonyl compounds Oct. 23, 2007
7173139 Enantioselective 1,4-addition of aromatic nucleophiles to .alpha.,.beta.-unsaturated aldehydes using chiral organic catalysts Feb. 6, 2007
7074955 Safe operation of a continuous heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound Jul. 11, 2006
6784323 Enantioselective transformation of .alpha.,.beta.-unsaturated aldehydes using chiral organic catalysts Aug. 31, 2004
6660812 Production of olefin derivatives Dec. 9, 2003
6586636 Aldol condensation Jul. 1, 2003
6518453 Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization Feb. 11, 2003
6506944 Preparation of substituted olefins Jan. 14, 2003
6403838 Process for preparing 2,7-dimethyl-2,4,6-octatriene-1,8-dial Jun. 11, 2002
6369277 Selective liquid-phase hydrogenation of .alpha.,.beta.-unsaturated carbonyl compounds Apr. 9, 2002
6326519 Diallylic sulfides and processes for preparing the same Dec. 4, 2001
6175044 Preparation of citral Jan. 16, 2001
5929288 Process for manufacturing polyene aldehydes Jul. 27, 1999
5888923 Modified Raney nickel catalyst and a process for preparing diols by using the same Mar. 30, 1999
5801292 Aldehyde process Sep. 1, 1998
5770762 Process for producing 4-substituted-2-butenals Jun. 23, 1998
5471005 Method of making 2,7-dimethyl-2,4,6-octatrienedial, a key intermediate in the commercial syntheses of various carotenoids Nov. 28, 1995
5442095 Catalysts, process for their preparation, and their use Aug. 15, 1995
5382700 Oxidative coupling of alpha, beta unsaturated aldehydes Jan. 17, 1995
5254743 Solid bases as catalysts in aldol condensations Oct. 19, 1993
5254742 Process for preparing 2-hexene-1,6-dial Oct. 19, 1993
5243082 Process for in-situ production of acrolein Sep. 7, 1993
5177266 Proccess for the manufacture of 2-alkoxymethylacrolein Jan. 5, 1993
5177265 Process for the preparation of citral Jan. 5, 1993
5144089 2-ethyl-2-hexenal by aldol condensation of butyraldehyde in a continuous process Sep. 1, 1992
5053552 Process for producing .alpha.,.beta.-unsaturated aldehyde Oct. 1, 1991
4987252 Quenching process of reaction product gas containing methacrylic acid and treatment method of quenched liquid Jan. 22, 1991
4820858 Process for the preparation of 2-(hydroxyalkyl)acrylic compounds Apr. 11, 1989
4820876 Polyethylene wax Apr. 11, 1989
4801444 Medicinal preparation for individual prevention of venereal diseases and treatment of urogenital trichomoniasis Jan. 31, 1989
4760193 Process for the preparation of polyene aldehydes Jul. 26, 1988
4739111 Alpha, beta-ethylenically unsaturated acids and derivatives thereof using a multicomponent acidic catalyst composition containing zirconium Apr. 19, 1988
4709098 Hydrolysis of activated olefinic ketones and aldehydes Nov. 24, 1987
4571438 Process for preparing olefinic aldehydes and chemical intermediates Feb. 18, 1986
4528405 Aldol condensation of enolizable aldehydes using a metal carboxylate catalyst Jul. 9, 1985
4503239 Process for the preparation of ethylenic halogenoacetals Mar. 5, 1985
4487962 Preparation of methacrylic acid by gas phase oxidation of methacrolein Dec. 11, 1984
4433174 Process for preparation of alpha, beta-unsaturated aldehydes using AMS-1B borosilicate crystalline molecular sieve Feb. 21, 1984
4381411 Production of methacrolein from isobutyraldehyde utilizing promoted iron phosphorus oxide catalysts Apr. 26, 1983
4346239 Process for the preparation of 2-methylene aldehydes Aug. 24, 1982
4320228 Preparation of olefinically unsaturated carbonyl compounds and alcohol Mar. 16, 1982
4320227 Process for producing methacrolein and methacrylic acid Mar. 16, 1982

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