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Class Information
Number: 568/458
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
Description: Processes wherein the compound is prepared by reacting an aldehyde.

Sub-classes under this class:

Class Number Class Name Patents
568/463 Aldehyde reacted with aldehyde (e.g., aldol condensation, etc.) 82
568/459 Carbon to carbon unsaturation in the aldehyde prepared 64
568/462 Gaseous hydrogen reactant 53
568/466 Hydrogen halide or elemental halogen reactant 15
568/465 Oxy or -coo- containing reactant 51

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8455696 Optimized production of ketones/aldehydes Jun. 4, 2013
8389775 Process for preparing polyether alcohols Mar. 5, 2013
8044246 Process for the selective preparation of acetaldehyde from acrolein and one or more ammonium salts dissolved in water Oct. 25, 2011
7884250 High shear process for the production of chloral Feb. 8, 2011
7754925 Method for the hydrogenation of mass fluxes containing aldehyde Jul. 13, 2010
7652174 High shear process for the production of chloral Jan. 26, 2010
7649117 Process of preparing optically active .beta.-hydroxycarboxylic acid derivative Jan. 19, 2010
7645908 Method for hydrogenation of .alpha., .beta.-unsaturated carbonyl compounds Jan. 12, 2010
7531066 Method for the purification of acrolein May. 12, 2009
7498469 Coupling of formaldehyde to glycoaldehyde using N-heterocyclic carbene catalysts Mar. 3, 2009
7449607 Process of preparing glycolaldehyde Nov. 11, 2008
7439406 Method for hydrogenating methylol alkanals Oct. 21, 2008
7420093 Process for the preparation of glycolaldehyde Sep. 2, 2008
7323604 Hydride reduction of .alpha.,.beta.-unsaturated carbonyl compounds using chiral organic catalysts Jan. 29, 2008
7301054 Process for the preparation of glycolaldehyde Nov. 27, 2007
7145043 Non-Hazardous oxidative neutralization of aldehydes Dec. 5, 2006
7094932 Production of glycolaldehyde by hydrous thermolysis of sugars Aug. 22, 2006
7074955 Safe operation of a continuous heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound Jul. 11, 2006
6900357 Direct, enantioselective aldol coupling of aldehydes using chiral organic catalysts May. 31, 2005
6809224 Method for the separation of formaldehyde from a reaction mixture containing polyols by the addition of solvents before and/or during the distillation Oct. 26, 2004
6787677 Hydrogenation of carbonyl compounds Sep. 7, 2004
6639112 Method for preparing ketones by pyrogenic reaction of aldehydes, alcohols, acids or esters Oct. 28, 2003
6610888 Reaction of a solution comprising a mixture Aug. 26, 2003
6548713 Process for the preparation of organic compounds with manganese catalysts or the like Apr. 15, 2003
6531634 Non-hazardous oxidative neutralization of aldehydes Mar. 11, 2003
6448213 Mixed surfactant system Sep. 10, 2002
6433230 Process for conducting an aldol condensation Aug. 13, 2002
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
6284930 Process for the preparation of 3-hydroxypropanal Sep. 4, 2001
6232282 Detergent composition containing mid-chain branched surfactants and an electrolyte for improved performance May. 15, 2001
6229053 Method for purification of formaldehyde, use thereof and plastics produced therewith May. 8, 2001
6228829 Granular detergent compositions comprising mid-chain branched surfactants May. 8, 2001
6184404 Process for the selective alkylation of aldehydes by means of organozinc compounds Feb. 6, 2001
6175044 Preparation of citral Jan. 16, 2001
6140543 Process for the production of 1,3-propanediol Oct. 31, 2000
6114588 Hydroformylation of alpha-alcohol-diolefins to dialcohols Sep. 5, 2000
6087309 Liquid cleaning compositions containing selected mid-chain branched surfactants Jul. 11, 2000
6060443 Mid-chain branched alkyl sulfate surfactants May. 9, 2000
6008181 Mid-Chain branched Alkoxylated Sulfate Surfactants Dec. 28, 1999
5962745 Process for preparing 3-hydroxyalkanals Oct. 5, 1999
5898087 Addition of amine to improve parafomaldehyde Apr. 27, 1999
5831135 Process for the catalytic selective hydrogenation of polyunsaturated organic substances Nov. 3, 1998
5756803 Process for the condensation of an aldehyde with hydrogen cyanide May. 26, 1998
5698748 Process of producing hydroxyalkanal Dec. 16, 1997
5686554 Process for the manufacture of paraformaldehyde Nov. 11, 1997
5675045 Process for the catalytic selective hydrogenation of polyunsaturated organic substances Oct. 7, 1997
5471005 Method of making 2,7-dimethyl-2,4,6-octatrienedial, a key intermediate in the commercial syntheses of various carotenoids Nov. 28, 1995
5434313 Aldolisation-dehydration process Jul. 18, 1995
5382700 Oxidative coupling of alpha, beta unsaturated aldehydes Jan. 17, 1995

1 2 3

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