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Class Information
Number: 568/600
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Oxygen containing (e.g., perchlorylbenzene, etc.) > Ethers > Plural oxygens bonded directly to the same carbon (e.g., acetals, ketals, orthoesters, orthocarbonates, etc.) > Acyclic > At least three oxygens containing
Description: Compounds which contain three or more oxygens.

Sub-classes under this class:

Class Number Class Name Patents
568/603 Plural acetal or ketal groups (e.g., tetraacetals, etc.) 61
568/601 Plural oxyalkylene groups bonded directly to each other 58

Patents under this class:

Patent Number Title Of Patent Date Issued
8143455 Process for preparing 2-hydroxyacetals and the corresponding 2-hydroxyalkanals Mar. 27, 2012
7211698 Method for processing compositions containing 1,1,2,2-tetramethoxyethane and glyoxal dimethyl acetal May. 1, 2007
6969776 Process for producing fluorinated ketone Nov. 29, 2005
6956138 Method for producing a fluorine-containing compound Oct. 18, 2005
6867332 Process for producing xanthohumol present in hops and xanthohumol-rich hop extract obtainable thereby Mar. 15, 2005
6803488 Process for producing fluorinated ketone Oct. 12, 2004
6747176 Preparation of 2-chloro-1,1,1-trialkoxyethane Jun. 8, 2004
6660890 Production of optically active .alpha.-hydroxyacetals Dec. 9, 2003
6610892 Process for preparing 2,7-dimethyl-2,4,6-octatrienal monoacetals Aug. 26, 2003
5990360 Process for the catalytic dealkoxylation of 1,1,3-trialkoxy-2-methyl-butane Nov. 23, 1999
5892129 Process for the preparation of 1,1,3-trialkoxypropane Apr. 6, 1999
5739394 3,3-dioxy-4,4,4-trifluorobutyric acid derivatives Apr. 14, 1998
5449836 Process for the preparation of vitamin A and intermediate compounds which are useful for this process Sep. 12, 1995
5269955 Lubricating oil for compression-type refrigerators and polyoxyalkylene glycol derivative Dec. 14, 1993
5233063 Metabolites of pentanedioic acid derivatives Aug. 3, 1993
5225550 Process for the preparation of substituted acyclic nucleosides, and intermediates occurring therein Jul. 6, 1993
5206443 Alkanediol bisacetals Apr. 27, 1993
5202480 Fluorination of acetals, ketals and orthoesters Apr. 13, 1993
5191127 Glyoxal derivatives and method for making the same Mar. 2, 1993
5025093 Pyrolysis of perfluoropolyethers Jun. 18, 1991
4996375 Vitamin E intermediates and a process for their manufacture and conversion into Vitamin E Feb. 26, 1991
4947005 Preparation of 1,1,2-trialkoxyethanes Aug. 7, 1990
4894484 Pyrolysis of perfluoropolyethers Jan. 16, 1990
4851585 Vitamin E intermediates Jul. 25, 1989
4835320 Process for the preparation of glyoxal monoactals May. 30, 1989
4755625 Preparation of 1,1,2-trialkoxyethanes Jul. 5, 1988
4743401 Conversion of an allylic ether to its corresponding acetal May. 10, 1988
4658044 Intermediates for uracil derivatives Apr. 14, 1987
4536585 Method of making acetals by catalytic reaction of aldehydes with hydroxyalkanes Aug. 20, 1985
4513144 Acetal purification with superoxides Apr. 23, 1985
4460767 Process for production of sugar ketals Jul. 17, 1984
4418217 Mixed formals of polyglycol ethers Nov. 29, 1983
4374999 Internal hydroformylation of acrolein acetals Feb. 22, 1983
4313008 Synthesis of S-3-chloro-1,2-propanediol Jan. 26, 1982
4304927 Carboxylic acids, esters and salts of polyfluoroacetone Dec. 8, 1981
4301090 Carbonylation of olefinically unsaturated compounds Nov. 17, 1981
4280011 Aldehyde generators and foodstuffs containing such generators Jul. 21, 1981
4209643 Preparation of acetals Jun. 24, 1980
4205186 Process for preparing substituted oxyacetaldehydes and acetals thereof May. 27, 1980
4159987 Process for preparing substituted cyclic acetals of oxyacetaldehydes and said cyclic acetals Jul. 3, 1979
4091040 Procedure for making trimethylolmethane May. 23, 1978
3978135 Preparation of ethers from citronellal or homologues thereof Aug. 31, 1976
3975381 Process for preparing .gamma.-lactone derivatives Aug. 17, 1976
3966780 Propargyl esters of 7,11-substituted dodecadienoic acids Jun. 29, 1976
3956074 Recovery of methylglyoxal acetal by plural stage distillation with intermediate phase separation May. 11, 1976

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