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Class Information
Number: 568/844
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 > Halogen containing > Polyhydroxy or polyhalogen (h of -oh may be replaced by a group ia or iia light metal)
Description: Compounds which include at least two -OH or -OM groups or at least two halogens.










Sub-classes under this class:

Class Number Class Name Patents
568/845 Carbon to carbon unsaturation containing 24
568/846 Preparing from aldehyde or ketone 25
568/848 Preparing from alkenol 13
568/847 Preparing from alkenyl halide 31


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8664453 Multi-stage process and apparatus for recovering dichlorohydrins Mar. 4, 2014
8629305 Process and apparatus for azeotropic recovery of dichlorohydrins Jan. 14, 2014
8591766 Continuous process for preparing chlorohydrins Nov. 26, 2013
8558021 Process for the catalytic halogenation of a diol Oct. 15, 2013
8541632 Process and apparatus for producing chlorohydrin Sep. 24, 2013
8536381 Process for purifying hydrogen chloride Sep. 17, 2013
8507643 Composition comprising glycerol, process for obtaining same and use thereof in the manufacture of dichloropropanol Aug. 13, 2013
8471077 Process and apparatus for efficient recovery of dichlorohydrins Jun. 25, 2013
8420870 Process and apparatus for recovery of dichlorohydrins via codistillation Apr. 16, 2013
8420871 Process for producing an organic compound Apr. 16, 2013
8415509 Process for producing dichloropropanol from glycerol, the glycerol coming eventually from the conversion of animal fats in the manufacture of biodiesel Apr. 9, 2013
8404905 Batch, semi-continuous or continuous hydrochlorination of glycerin with reduced volatile chlorinated hydrocarbon by-products and chloroacetone levels Mar. 26, 2013
8389777 Continuous method for making chlorhydrines Mar. 5, 2013
8344185 Method for making a chlorhydrine by reaction between a polyhydroxylated aliphatic hydrocarbon and a chlorinating agent Jan. 1, 2013
8334415 Process and apparatus for reducing heavy byproduct formation during distillation Dec. 18, 2012
8273923 Process for manufacturing a chlorohydrin Sep. 25, 2012
8258350 Process for the manufacture of dichloropropanol Sep. 4, 2012
8178733 Method of making chlorohydrins May. 15, 2012
8124814 Crude glycerol-based product, process for its purification and its use in the manufacture of dichloropropanol Feb. 28, 2012
8106245 Method for preparing chlorohydrin by converting polyhydroxylated aliphatic hydrocarbons Jan. 31, 2012
8106246 Process for the manufacture of dichloropropanol by chlorination of glycerol Jan. 31, 2012
8088957 Conversion of a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin Jan. 3, 2012
7939696 Process for the manufacture of dichloropropanol by chlorination of glycerol May. 10, 2011
7914744 Method for making chlorohydrins Mar. 29, 2011
7906691 Method for making chlorohydrin in corrosion-resistant equipment Mar. 15, 2011
7906692 Method for making a chlorohydrin by chlorinating a polyhydroxylated aliphatic hydrocarbon Mar. 15, 2011
7893193 Method for making a chlorohydrin Feb. 22, 2011
7615670 Method for making chlorohydrin in liquid phase in the presence of heavy compounds Nov. 10, 2009
7598425 Method for producing hydrate of fluoroalkyl ketone Oct. 6, 2009
7482496 Method for making chlorohydrins Jan. 27, 2009
6946566 Process for preparation of optically active halogeno hydroxypropyl compound and glycidyl compound Sep. 20, 2005
6867336 Method for the continuous production of 2-bromo-2-nitro-1,3-propanediol Mar. 15, 2005
6703528 Process for producing carbonyl or hydroxy compound Mar. 9, 2004
6664430 Catalysts for the preparation of fluorinated alcohols and process for the preparation of fluorinated alcohols Dec. 16, 2003
6506947 Fluorinated diol and method for the production thereof Jan. 14, 2003
6472570 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts Oct. 29, 2002
6359155 Process for the preparation of 3-hydroxytetrahydrofuran Mar. 19, 2002
6072088 Chemical compounds having two trifluoromethyl groups Jun. 6, 2000
6043400 Chlorohydrin process Mar. 28, 2000
6040464 Process for the preparation of protected 3-amino-1,2-dihydroxypropane acetal and derivatives thereof Mar. 21, 2000
5973214 Method for producing an optically active 2-alkanol Oct. 26, 1999
5760269 4,4,4-Trichlorobutyl methanesulfonate Jun. 2, 1998
5545767 Process for preparing 1,3-propanediol Aug. 13, 1996
5463146 Process for preparing 1,3-propanediol Oct. 31, 1995
5463144 Process for preparing 1,3-propanediol Oct. 31, 1995
5457246 Process and arrangement for recovery of polyol production wastes Oct. 10, 1995
5316686 Perfluoroalkylether tertiary alcohols May. 31, 1994
5284982 Method for the cyclooligomerization of 3-hydroxy-1 alkynes Feb. 8, 1994
5262573 Halomagnesium hydrocarbyloxide composition and process for preparation Nov. 16, 1993
5250744 Process for the preparation of 2-aryl-1,3-propanediols Oct. 5, 1993

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