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Class Information
Number: 568/680
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ethers > Acyclic > Polyoxy > Hydroxy containing (h of -oh may be replaced by a group ia or iia light metal) > Polyhydroxy
Description: Compounds which contain two or more hydroxy groups.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8709286 Reduction of HMF ethers with metal catalyst Apr. 29, 2014
8642816 Method for isolating di-trimethylol propane Feb. 4, 2014
8536353 Process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine Sep. 17, 2013
8501664 Process for treating a carrier, a process for preparing a catalyst, the catalyst, and use of the catalyst Aug. 6, 2013
8492596 Process for production of ditrimethylolpropane Jul. 23, 2013
8455699 Production and separation of glycerol-related products using various feed stocks Jun. 4, 2013
8404904 Process for reducing color of a polyglycerol Mar. 26, 2013
8357813 Process for the production of an olefin oxide Jan. 22, 2013
8357825 Process for the production of a 1,2-diol, a 1,2-diol ether, or an alkanolamine Jan. 22, 2013
8273921 Polyglycerol monoether and process for producing the same Sep. 25, 2012
8183400 Alkylene oxide recovery systems May. 22, 2012
8058480 Process for the alkoxylation of alcohols Nov. 15, 2011
8048840 Ether compound Nov. 1, 2011
8034980 Method for producing polyether polyols Oct. 11, 2011
7919575 Starter feed stream acidification in DMC-catalyzed process Apr. 5, 2011
7858829 Alkoxylations in microstructured capillary reactors Dec. 28, 2010
7732646 Crosslinking agent based on linear hydroxypolyallyl ether Jun. 8, 2010
7713903 Carrier, a process for preparing the carrier, an olefin epoxidation catalyst, a process for preparing the catalyst, and a process for the production of an olefin oxide, A 1,2-diol, A 1,2-diol May. 11, 2010
7714174 Lower-color polytrimethylene ether glycol using hydride compounds May. 11, 2010
7553994 Method for producing ditrimethylolpropane Jun. 30, 2009
7388114 Perfluoropolyether derivative Jun. 17, 2008
7335801 Polyglycerols and production thereof Feb. 26, 2008
7230140 Perfluoropolyether derivative Jun. 12, 2007
7098367 Process for the preparation of alkylene glycols Aug. 29, 2006
7022884 Preparation of polyetherpolyols in the presence of a multimetal cyanide complex catalyst Apr. 4, 2006
7005552 Single reactor synthesis of KOH-capped polyols based on DMC-synthesized intermediates Feb. 28, 2006
6927310 Tripropylene glycol production Aug. 9, 2005
6919486 Polyetherols produced using aluminium phosphonate catalysts Jul. 19, 2005
6713599 Formation of polymer polyols with a narrow polydispersity using double metal cyanide (DMC) catalysts Mar. 30, 2004
6692616 Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation Feb. 17, 2004
6693222 Process for splitting water-soluble ethers Feb. 17, 2004
6657089 Palladium catalyst and process for producing ether Dec. 2, 2003
6649690 Method for preparing polymers of glycerol with a saponite catalyst Nov. 18, 2003
6620977 Process for producing butanetriol derivative Sep. 16, 2003
6608230 Single-stage method for producing .alpha.-hydroxy ethers by oxidizing C=C unsaturated compounds with hydroperoxides Aug. 19, 2003
6504063 Process for production of monoalkyl ethers Jan. 7, 2003
6459003 Ether compounds Oct. 1, 2002
6437196 Process for producing glyceryl ether Aug. 20, 2002
6410802 Methods for synthesizing ether compounds and intermediates therefor Jun. 25, 2002
6403541 Oil filter clogging preventing agent and oil filter clogging preventing method, and engine oil compositions comprising said oil filter clogging preventing agent Jun. 11, 2002
6380439 Single-stage method for producing .alpha.-hydroxy ethers by oxidizing C=C-unsaturated compounds with hydroperoxides Apr. 30, 2002
6365541 Alkoxylation catalyst Apr. 2, 2002
6121499 Process for producing polyhydroxy ethers and unsymmetrical polyhydroxy ethers obtainable with the process Sep. 19, 2000
6080784 Protein kinase C modulators N Jun. 27, 2000
6013731 Stabilizer based on high molecular weight polyols having low monol content for polymer polyol production Jan. 11, 2000
5844115 Alkoxylation process Dec. 1, 1998
5817889 Process for the purification of a glycol solution Oct. 6, 1998
5728796 Process to react epoxide-containing compounds and aliphatic alcohols Mar. 17, 1998
5726321 Process for carrying out gas/liquid reactions under avoidance of a continuous gas phase Mar. 10, 1998
5723696 Process for the production of polyglycerols Mar. 3, 1998

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