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Class Information
Number: 568/462
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 > Gaseous hydrogen reactant
Description: Processes wherein the compound is prepared by reacting an aldehyde and gaseous hydrogen.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7094932 |
Production of glycolaldehyde by hydrous thermolysis of sugars |
Aug. 22, 2006 |
| 6787677 |
Hydrogenation of carbonyl compounds |
Sep. 7, 2004 |
| 6369277 |
Selective liquid-phase hydrogenation of .alpha.,.beta.-unsaturated carbonyl compounds |
Apr. 9, 2002 |
| 6340778 |
Process for catalytic aldol condensations by means of a multiphase reaction |
Jan. 22, 2002 |
| 6150564 |
Selective liquid-phase hydrogenation of .alpha.,.beta.-unsaturated carbonyl compounds |
Nov. 21, 2000 |
| 6114588 |
Hydroformylation of alpha-alcohol-diolefins to dialcohols |
Sep. 5, 2000 |
| 5756856 |
Process for the preparation of 2-ethylhexanal |
May. 26, 1998 |
| 5650546 |
Process for the catalytic hydrogenation of organic compounds |
Jul. 22, 1997 |
| 5254743 |
Solid bases as catalysts in aldol condensations |
Oct. 19, 1993 |
| 5235118 |
Continuous process for the preparation of 2-ethyl-2-(hydroxymethyl)hexanal and 2-butyl-2-ethyl-1, 3-propanediol |
Aug. 10, 1993 |
| 5026919 |
Base-catalyzed reactions using zeolite catalysts |
Jun. 25, 1991 |
| 5015780 |
Process for the preparation of dihalobutyraldehydes |
May. 14, 1991 |
| 5003110 |
Process for the preparation of saturated aldehydes by hydrogenation of .alpha.,.beta.-unsaturated aldehydes |
Mar. 26, 1991 |
| 4847423 |
Hydroformylation of aqueous formaldehyde using a rhodium-tricyclohexylphosphine catalyst system |
Jul. 11, 1989 |
| 4701562 |
Process for the condensation of aldehydes |
Oct. 20, 1987 |
| 4677230 |
Preparation of 2-methyl-2-alkenals |
Jun. 30, 1987 |
| 4608444 |
Process and accompanying catalysts for the hydroformylation of formaldehyde to glycol-aldehyde |
Aug. 26, 1986 |
| 4605797 |
Hydrogenation catalysts and selective hydrogenation therewith |
Aug. 12, 1986 |
| 4599469 |
Hydrogenation process |
Jul. 8, 1986 |
| 4590298 |
Production of hydroxyketones from formaldehyde |
May. 20, 1986 |
| RE32084 |
Glycol aldehyde and ethylene glycol processes |
Feb. 18, 1986 |
| 4560806 |
Process and catalyst useful in the production of glycol aldehyde |
Dec. 24, 1985 |
| 4503260 |
Glycolaldehyde process |
Mar. 5, 1985 |
| 4496781 |
Process for the production of ethylene glycol through the hydroformylation of glycol aldehyde |
Jan. 29, 1985 |
| 4477685 |
Hydroformylation process to prepare glycolaldehydes |
Oct. 16, 1984 |
| 4450300 |
Process for the continuous manufacture of n-butyraldehyde by selective hydrogenation of crotonaldehyde in the liquid phase in the presence of a palladium-aluminum oxide catalyst |
May. 22, 1984 |
| 4429165 |
Hydroformylation process |
Jan. 31, 1984 |
| 4420648 |
Process for hydrogenating organic compounds with a supported cobalt-silica coprecipitated hydrogenation catalyst |
Dec. 13, 1983 |
| 4414421 |
Process for the preparation of glycol aldehyde |
Nov. 8, 1983 |
| 4405821 |
Process for preparing glycolaldehyde and/or ethylene glycol |
Sep. 20, 1983 |
| 4405814 |
Hydroformylation of formaldehyde with rhodium catalysts |
Sep. 20, 1983 |
| 4394525 |
Process for hydrogenating aldehydes |
Jul. 19, 1983 |
| 4382148 |
Process for the preparation of glycol aldehyde |
May. 3, 1983 |
| 4365095 |
Process for hydrogenating unsaturated compounds |
Dec. 21, 1982 |
| 4361705 |
Process for hydrogenating unsaturated compounds |
Nov. 30, 1982 |
| 4317945 |
Process for preparing 2-methyl-2-sec.butyl-1,3-propanediol |
Mar. 2, 1982 |
| 4317925 |
Process for the production of di-n-propylacetic acid |
Mar. 2, 1982 |
| 4291179 |
Rhodium catalyzed process for acetaldehyde and ethanol |
Sep. 22, 1981 |
| 4273945 |
Preparation of saturated aliphatic, cycloaliphatic and araliphatic aldehydes |
Jun. 16, 1981 |
| 4270006 |
Preparation of aliphatic carbonyl compounds |
May. 26, 1981 |
| 4267384 |
Ruthenium catalyzed process for acetaldehyde and ethanol |
May. 12, 1981 |
| 4263225 |
Hydrogenation process using supported nickel-cobalt-silica coprecipitated catalyst |
Apr. 21, 1981 |
| 4260829 |
Preparation of carbonyl compounds |
Apr. 7, 1981 |
| 4200765 |
Glycol aldehyde and ethylene glycol processes |
Apr. 29, 1980 |
| 4190606 |
Process for dehalogenation and/or prevention of halogenation |
Feb. 26, 1980 |
| 4177214 |
Procedure for the preparation of saturated and unsaturated dialdehydes |
Dec. 4, 1979 |
| 4161616 |
Acrolein conversion to butanediol |
Jul. 17, 1979 |
| 4020116 |
Vapor phase catalytic process for preparing alpha, beta-ethylenically unsaturated alcohols |
Apr. 26, 1977 |
| 4018831 |
Production of 2-ethyl hexanal |
Apr. 19, 1977 |
| 3971830 |
Process for the semihydrogenation of citral to citronellal |
Jul. 27, 1976 |
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