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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 5254742 |
Process for preparing 2-hexene-1,6-dial |
Oct. 19, 1993 |
| 5254743 |
Solid bases as catalysts in aldol condensations |
Oct. 19, 1993 |
| 5243082 |
Process for in-situ production of acrolein |
Sep. 7, 1993 |
| 5177265 |
Process for the preparation of citral |
Jan. 5, 1993 |
| 5177266 |
Proccess for the manufacture of 2-alkoxymethylacrolein |
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 |
| 4820876 |
Polyethylene wax |
Apr. 11, 1989 |
| 4820858 |
Process for the preparation of 2-(hydroxyalkyl)acrylic compounds |
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 |
| 4316990 |
Preparation of .alpha.,.beta.-aldehydes by aldol condensation |
Feb. 23, 1982 |
| 4307034 |
Inert organic solvent dispersion of alkali hydroxide and reaction using the same |
Dec. 22, 1981 |
| 4277625 |
Process for the preparation of muscone |
Jul. 7, 1981 |
| 4273944 |
Method for selective preparation of cis isomers of ethylenically unsaturated compounds |
Jun. 16, 1981 |
| 4268444 |
Preparation of polyene-aldehydes |
May. 19, 1981 |
| 4237072 |
Preparation of optically active citronellal |
Dec. 2, 1980 |
| 4196151 |
Process for producing .beta.,.gamma.-unsaturated aldehyde |
Apr. 1, 1980 |
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