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Class Information
Number: 568/861
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.)
Description: Processes which include preparing the compound by reduction.










Sub-classes under this class:

Class Number Class Name Patents
568/862 Of aldehyde or ketone 230
568/864 Of compound containing a -coo- group 246
568/865 Of ether 43


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8692032 Methods of using tungsten carbide catalysts in preparation of ethylene glycol Apr. 8, 2014
8648005 Method for preparing catalyst Feb. 11, 2014
8642813 Reductive biomass liquefaction Feb. 4, 2014
8603938 Method for preparing catalyst Dec. 10, 2013
8580119 Transesterification of biodiesel feedstock with solid heterogeneous catalyst Nov. 12, 2013
8563783 Method of producing lower alcohols from glycerol Oct. 22, 2013
8501664 Process for treating a carrier, a process for preparing a catalyst, the catalyst, and use of the catalyst Aug. 6, 2013
8501987 Process for production of glycolic acid Aug. 6, 2013
8497301 Hydroxyl compounds and compositions for cholesterol management and related uses Jul. 30, 2013
8492595 Methods and systems for generating polyols Jul. 23, 2013
8492597 Production of propylene glycol from glycerine Jul. 23, 2013
8476478 Process for producing hydrogenolysis products of polyhydric alcohols Jul. 2, 2013
8471075 Processes for making ethanol from acetic acid Jun. 25, 2013
8450535 Ethanol production from acetic acid utilizing a cobalt catalyst May. 28, 2013
8415511 Polyol hydrogenolysis by in-situ generated hydrogen Apr. 9, 2013
8410319 Continuous catalytic generation of polyols from cellulose with recycle Apr. 2, 2013
8394999 Process for converting glycerin into propylene glycol Mar. 12, 2013
8378152 Method of producing propylene glycol Feb. 19, 2013
8338326 Tungsten carbide catalysts, their preparation and application in synthesis of ethylene glycol from cellulose Dec. 25, 2012
8334416 Process for the production of 1,2-propanediol Dec. 18, 2012
8324434 Hydrogenation process Dec. 4, 2012
8324433 Method for producing ethylene glycol from polyhydroxy compound Dec. 4, 2012
8323937 Continuous catalytic generation of polyols from cellulose Dec. 4, 2012
8293951 Method for producing 1,2-propandiol by hydrogenation in at least three successive reactors Oct. 23, 2012
8273924 Method for producing 1,2-propandiol by low-pressure hydrogenation of glycerine Sep. 25, 2012
8258351 Method for producing hydrogenolysis product of polyhydric alcohol Sep. 4, 2012
8252961 Method of producing lower alcohols from glycerol Aug. 28, 2012
8252962 Method for producing 1,2-propandiol by hydrogenating glycerine in a two-step reactor cascade Aug. 28, 2012
8252963 Nano-metal catalysts for polyol hydrogenolysis Aug. 28, 2012
8227646 Process for the hydrogenation of glycerol to propylene glycol Jul. 24, 2012
8222462 Process for generation of polyols from saccharides Jul. 17, 2012
8222463 Process for generation of polyols from saccharide containing feedstock Jul. 17, 2012
8222464 Catalytic process for continuously generating polyols Jul. 17, 2012
8222465 Catalytic process for continuously generating polyols Jul. 17, 2012
8188321 Process for producing hydrogenolysis products of polyhydric alcohols May. 29, 2012
8153847 Hydrogenolysis of glycerol and products produced therefrom Apr. 10, 2012
8148581 Process for preparing plastics using 1,6-hexanediol having an aldehyde content of less than 500 ppm Apr. 3, 2012
8143458 Processes for isolating or purifying propylene glycol, ethylene glycol and products produced therefrom Mar. 27, 2012
8124815 Process for preparing 1,6-hexanediol Feb. 28, 2012
8080692 Catalytic process for the production of oxygenated hydrocarbons Dec. 20, 2011
8058484 Flexible glycerol conversion process Nov. 15, 2011
8053608 Process for producing propylene glycol Nov. 8, 2011
8017816 Method of producing lower alcohols from glycerol Sep. 13, 2011
8017818 Synthesis of liquid fuels and chemicals from oxygenated hydrocarbons Sep. 13, 2011
7977517 Synthesis of liquid fuels and chemicals from oxygenated hydrocarbons Jul. 12, 2011
7960594 Method of preparing ethylene glycol from cellulose Jun. 14, 2011
7943805 Method of producing lower alcohols from glycerol May. 17, 2011
7902409 Production of difluoroethanol Mar. 8, 2011
7868212 Method for preparing 1,2-propanediol by hydrogenolysis of glycerol Jan. 11, 2011
7816567 Method of producing lower alcohols from glycerol Oct. 19, 2010

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