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Class Information
Number: 568/461
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 > Aldehyde reacted with aldehyde
Description: Processes wherein an aldehyde containing carbon to carbon unsaturation is prepared by reacting two or more aldehydes.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7402710 |
Process for producing chiral hydroxyaldehyde compounds |
Jul. 22, 2008 |
| 7368612 |
Method of producing high-purity hydroxypivalaldehyde and/or dimer thereof |
May. 6, 2008 |
| 7247755 |
Process for producing .alpha.,.alpha.-bis(hydroxymethyl)alkanal |
Jul. 24, 2007 |
| 7141702 |
Process for the synthesis of .alpha.-substituted acroleins |
Nov. 28, 2006 |
| 6586636 |
Aldol condensation |
Jul. 1, 2003 |
| 6555716 |
Process for the hydroformylation of olefins |
Apr. 29, 2003 |
| 6437190 |
Preparation of aldols using a microstructured reaction system |
Aug. 20, 2002 |
| 6433230 |
Process for conducting an aldol condensation |
Aug. 13, 2002 |
| 6380443 |
Preparation of 1,3-diols |
Apr. 30, 2002 |
| 6340778 |
Process for catalytic aldol condensations by means of a multiphase reaction |
Jan. 22, 2002 |
| 5994592 |
Process for producing 2,2'-bis(hydroxymethyl)alkanal and 2,2'-bis(hydroxymethyl)alkanoic acid |
Nov. 30, 1999 |
| 5888923 |
Modified Raney nickel catalyst and a process for preparing diols by using the same |
Mar. 30, 1999 |
| 5663452 |
Process for the preparation of 2-ethyl-1,3-hexane diol |
Sep. 2, 1997 |
| 5434313 |
Aldolisation-dehydration process |
Jul. 18, 1995 |
| 5386062 |
Catalytic preparation of condensation products of formaldehyde |
Jan. 31, 1995 |
| 5382700 |
Oxidative coupling of alpha, beta unsaturated aldehydes |
Jan. 17, 1995 |
| 5371299 |
Process for the preparation of diethers |
Dec. 6, 1994 |
| 5254743 |
Solid bases as catalysts in aldol condensations |
Oct. 19, 1993 |
| 5254742 |
Process for preparing 2-hexene-1,6-dial |
Oct. 19, 1993 |
| 5162552 |
Preparation of 4-acetals of butene-1,4-dial and novel acetals of butene-1,4-dial |
Nov. 10, 1992 |
| 5055620 |
Process for aldol condensation |
Oct. 8, 1991 |
| 4943663 |
Process for the preparation of .alpha.-alkylacroleins |
Jul. 24, 1990 |
| 4851592 |
Triethylamine catalyzed neopentyl glycol production utilizing a gas sparged reactor |
Jul. 25, 1989 |
| 4835320 |
Process for the preparation of glyoxal monoactals |
May. 30, 1989 |
| 4740639 |
Process for preparation of 2,4-disubstituted-1,5-pentanediols |
Apr. 26, 1988 |
| 4739111 |
Alpha, beta-ethylenically unsaturated acids and derivatives thereof using a multicomponent acidic catalyst composition containing zirconium |
Apr. 19, 1988 |
| 4714784 |
Method for removing n-butyraldehyde from gas streams |
Dec. 22, 1987 |
| 4701562 |
Process for the condensation of aldehydes |
Oct. 20, 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 |
| 4560790 |
Process for synthesizing .alpha.,.beta.-ethylenically unsaturated products using a multicomponent acidic catalyst composition |
Dec. 24, 1985 |
| 4526884 |
Ruthenium containing catalyst composition useful for process for the demerization of acrylic compounds |
Jul. 2, 1985 |
| 4519954 |
Leach resistant catalyst useful for the dimerization of acrylic compounds |
May. 28, 1985 |
| 4496770 |
Process for the preparation of .alpha.-alkylacroleins |
Jan. 29, 1985 |
| 4408079 |
Preparation of alpha-alkylacroleins |
Oct. 4, 1983 |
| 4346239 |
Process for the preparation of 2-methylene aldehydes |
Aug. 24, 1982 |
| 4317945 |
Process for preparing 2-methyl-2-sec.butyl-1,3-propanediol |
Mar. 2, 1982 |
| 4316990 |
Preparation of .alpha.,.beta.-aldehydes by aldol condensation |
Feb. 23, 1982 |
| 4283564 |
Process for preparing methacrolein |
Aug. 11, 1981 |
| 4239657 |
Manufacture of carbonyl compounds |
Dec. 16, 1980 |
| 4233247 |
Process for the preparation of 2,2-dimethylolalkanals |
Nov. 11, 1980 |
| 4225726 |
Catalytic condensation of aldehydes to 1,3-glycol monoesters |
Sep. 30, 1980 |
| 4222965 |
Method of producing acrolein |
Sep. 16, 1980 |
| 4221876 |
Isocyanate-reactive mixtures based on formose |
Sep. 9, 1980 |
| 4215076 |
Surfactant-promoted aldol reactions |
Jul. 29, 1980 |
| 4169110 |
Condensation and trimerization of aldehydes |
Sep. 25, 1979 |
| 4102930 |
Aldol reactions catalyzed by alkylene oxide-salt complexes |
Jul. 25, 1978 |
| 4101586 |
Aldol reactions with bifunctional co-catalysts |
Jul. 18, 1978 |
| 3935275 |
Process for preparation of terpene flavorants and novel intermediates therefor |
Jan. 27, 1976 |
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