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Class Information
Number: 568/862
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Acyclic > Polyhydroxy > Preparing by reduction (e.g., by hydrogenation, etc.) > Of aldehyde or ketone
Description: Processes wherein an aldehyde or a ketone is reduced.










Sub-classes under this class:

Class Number Class Name Patents
568/863 Of polyhydroxy aldehyde or polyhydroxy ketone (e.g., of carbohydrate, glyceraldehyde, etc.) 148


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8710278 Process for producing polyols Apr. 29, 2014
8664448 Process for the production and purification of propylene glycol Mar. 4, 2014
8604254 Reductive hydroformylation of an alkylene to an alkanol Dec. 10, 2013
8563784 Catalytic method of manufacture of compounds of the diol type Oct. 22, 2013
8492597 Production of propylene glycol from glycerine Jul. 23, 2013
8252961 Method of producing lower alcohols from glycerol Aug. 28, 2012
8080692 Catalytic process for the production of oxygenated hydrocarbons Dec. 20, 2011
8017816 Method of producing lower alcohols from glycerol Sep. 13, 2011
8013192 Process for preparing 1,3-propanediol Sep. 6, 2011
7759530 Moulded catalyst bodies and method for hydrogenation of carbonyl compounds Jul. 20, 2010
7732644 Process for producing .alpha.,.beta.-unsaturated aldehyde compounds Jun. 8, 2010
7696386 Method of producing diol, polydiol, secondary alcohol or diketone compound Apr. 13, 2010
7663004 Method of producing lower alcohols from glycerol Feb. 16, 2010
7619124 Process for the preparation of propylene glycol Nov. 17, 2009
7615671 Hydrogenation process for the preparation of 1,2-diols Nov. 10, 2009
7612241 Hydroformylation process Nov. 3, 2009
7601667 Sulfonate catalyst and method of producing alcohol compound using the same Oct. 13, 2009
7560600 Process for the preparation of a tetraalkylcyclobutane-1,3-diol using a promoted nickel-based catalyst Jul. 14, 2009
7524994 Process for the preparation of a tetraalkylcyclobutane-1,3-diol using an iridium-promoted cobalt-based catalyst Apr. 28, 2009
7511178 Process of preparing ethylene glycol Mar. 31, 2009
7462747 Process for preparing polyalcohols from formaldehyde having a low formic acid content Dec. 9, 2008
7439406 Method for hydrogenating methylol alkanals Oct. 21, 2008
7390869 Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species Jun. 24, 2008
7388116 Hydrogenation of methylolalkanals Jun. 17, 2008
7385090 Method of treating an aldehyde mixture, use of the treated aldehyde, and an alcohol Jun. 10, 2008
7381852 Process for hydrogenating an aldehyde Jun. 3, 2008
7335800 Hydrogenation catalyst and hydrogenation method Feb. 26, 2008
7329785 Process for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal in the presence of a hydration co-catalyst Feb. 12, 2008
7294602 Hydroformylation process Nov. 13, 2007
7279606 Hydroformylation process Oct. 9, 2007
7138552 Method for producing C.sub.13-alcohol mixtures Nov. 21, 2006
7084312 Catalyst and method for hydrogenating carbonyl compounds Aug. 1, 2006
7067615 Hydrotreating polyester precursors Jun. 27, 2006
7015342 Ferrocenyl ligands and method for the production of such ligands Mar. 21, 2006
7009065 Ferrocenyl ligands and the use thereof in catalysis Mar. 7, 2006
6982357 PROCESS FOR THE PREPARATION OF PROPANE-1,3-DIOL BY VAPOR PHASE HYDROGENATION OF 3-HYDROXYPROPANAL, BETA-PROPIOLACTONE, OLIGOMERS OF BETA-PROPIOLACTONE, ESTERS OF 3-HYDROXYPROPANOIC ACID OR MIX Jan. 3, 2006
6972346 Solid acid catalyzed reactive stripping of impurities formed during the production of 1, 3-propanediol Dec. 6, 2005
6969779 Method for removal of MW176 cyclic acetal formed during the production of 1,3-propanediol Nov. 29, 2005
6969780 Production of butanediol Nov. 29, 2005
6939981 Ruthenium complexes of phosphine-aminophosphine ligands Sep. 6, 2005
6919489 Process for a cyclohexanedimethanol using raney metal catalysts Jul. 19, 2005
6916457 Preparation and use of non-chrome catalysts for Cu/Cr catalyst applications Jul. 12, 2005
6911566 Process for producing 1,3-propanediol Jun. 28, 2005
6906228 Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts Jun. 14, 2005
6900360 High-purity 1,3-butylen glycol, process for producing 1,3-butylene glycol, and process for producing by-product butanol and butyl acetate May. 31, 2005
6878838 Chiral porous metal phosphonates for heterogeneous asymmetric catalysis Apr. 12, 2005
6878852 Process for hydrogenation of carbonyl and iminocarbonyl compounds using ruthenium catalysts comprising tetradentate diimino-diphosphine ligands Apr. 12, 2005
6812368 Diastereoselective hydrogenation of 1,3-hydroxyketones Nov. 2, 2004
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

1 2 3 4 5










 
 
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