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Class Information
Number: 568/464
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 > Aldehyde reacted with aldehyde (e.g., aldol condensation, etc.) > Aldehyde reacted with diverse aldehyde
Description: Processes wherein the compound is prepared by reacting two or more different aldehydes.










Patents under this class:

Patent Number Title Of Patent Date Issued
7767865 Method for producing hydroxypivalaldehyde and neopentyl glycol Aug. 3, 2010
7439406 Method for hydrogenating methylol alkanals Oct. 21, 2008
7247755 Process for producing .alpha.,.alpha.-bis(hydroxymethyl)alkanal Jul. 24, 2007
6586636 Aldol condensation Jul. 1, 2003
6433230 Process for conducting an aldol condensation Aug. 13, 2002
6380443 Preparation of 1,3-diols Apr. 30, 2002
6380438 Process for the production of 3-hydroxypropanal Apr. 30, 2002
6340778 Process for catalytic aldol condensations by means of a multiphase reaction Jan. 22, 2002
6187971 Method for producing polyalcohols Feb. 13, 2001
6018074 Process for the preparation of polyalcohols Jan. 25, 2000
5994592 Process for producing 2,2'-bis(hydroxymethyl)alkanal and 2,2'-bis(hydroxymethyl)alkanoic acid Nov. 30, 1999
5831097 Process for the preparation of acyloins Nov. 3, 1998
5801292 Aldehyde process Sep. 1, 1998
5532417 Manufacture of neopentyl glycol (IV) Jul. 2, 1996
5434313 Aldolisation-dehydration process Jul. 18, 1995
5334770 Process of aldol condensation by gas-phase reaction Aug. 2, 1994
5254743 Solid bases as catalysts in aldol condensations Oct. 19, 1993
5243081 Aldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the process Sep. 7, 1993
5237107 Magnesium, aluminium complex compounds, process for preparing the same and process of aldol condensation dehydration products using the same Aug. 17, 1993
5185478 Manufacture of neopentyl glycol (IIA) Feb. 9, 1993
5177267 Continuous process for the recovery of 2 ethylhexanal and a tertiary amine from a mixture comprising 2-ethyl-2-(hydroxymethyl) hexanal, 2-ethylhexanal, tertiary amine and water Jan. 5, 1993
5146012 Manufacture of neopentyl glycol (III) Sep. 8, 1992
5144089 2-ethyl-2-hexenal by aldol condensation of butyraldehyde in a continuous process Sep. 1, 1992
5144088 Manufacture of neopentyl glycol (I) Sep. 1, 1992
5026920 Obtaining alkanals having a 2-alkyl branch from alkanal mixtures Jun. 25, 1991
5026919 Base-catalyzed reactions using zeolite catalysts Jun. 25, 1991
4740639 Process for preparation of 2,4-disubstituted-1,5-pentanediols Apr. 26, 1988
4727058 Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor Feb. 23, 1988
4727197 Process for preparing natural benzaldehyde and acetaldehyde natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor Feb. 23, 1988
4716249 Process for preparing natural benzaldehyde and acetaldehyde Dec. 29, 1987
4683342 Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor Jul. 28, 1987
4617419 Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor Oct. 14, 1986
4528405 Aldol condensation of enolizable aldehydes using a metal carboxylate catalyst Jul. 9, 1985
4433174 Process for preparation of alpha, beta-unsaturated aldehydes using AMS-1B borosilicate crystalline molecular sieve Feb. 21, 1984
4346239 Process for the preparation of 2-methylene aldehydes Aug. 24, 1982
4247485 Process for the preparation of 2,2-dimethylolalkanals Jan. 27, 1981
4233247 Process for the preparation of 2,2-dimethylolalkanals Nov. 11, 1980
4215076 Surfactant-promoted aldol reactions Jul. 29, 1980
4181810 Process for the preparation of propane-1,3-diols, disubstituted in the 2-position Jan. 1, 1980
4143075 Control of condensation products in hydroformylation process Mar. 6, 1979
4122290 Process for the preparation of trimethylolalkanes Oct. 24, 1978
4036888 Process for the production of hydroxy-pivaldehyde Jul. 19, 1977
3939216 Process for the preparation of neopentyl glycol Feb. 17, 1976
3935274 Process for the continuous preparation of hydroxypivaldehyde Jan. 27, 1976











 
 
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