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Class Information
Number: 568/769
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) > Benzene ring containing > Phenols (h of -oh may be replaced by a group ia or iia light metal) > Polyhydroxy (h of -oh may be replaced by a group ia or iia light metal) > Preparing from aryl sulfonate
Description: Processes wherein the compound is formed by reacting an aryl sulfonate.

Patents under this class:

Patent Number Title Of Patent Date Issued
5322946 Process for producing aromatic hydroxy compound Jun. 21, 1994
4922031 Preparation of 4,4'-dihydroxybiphenyl May. 1, 1990
4475002 Process for preparing m-alkylhydroxybenzene Oct. 2, 1984
4465878 Process for producing 4',4-dihydroxydiphenyl Aug. 14, 1984
4243822 Process for the manufacture of 4,4' dihydroxydiphenyl Jan. 6, 1981
4145283 Process for the purification of waste water Mar. 20, 1979
4009212 Method for the preparation of meta dihydroxybenzenes Feb. 22, 1977

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