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Class Information
Number: 568/806
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) > Preparing by pyrolysis (e.g., by cracking, etc.)
Description: Processes which include preparing the compound by decomposing an aromatic compound by heat.

Patents under this class:

Patent Number Title Of Patent Date Issued
7161048 Method for deriving methanol from waste generated methane and structured product formulated therefrom Jan. 9, 2007
6765117 Process for stereoselective synthesis of prostacyclin derivatives Jul. 20, 2004
6646097 Method for purifying 1,1-bis(4'-hydroxy-3'-methylphenyl)cyclohexane and methods of producing polycarbonates therefrom Nov. 11, 2003
6459004 Cleavage method of bisphenols Oct. 1, 2002
6399838 Process for preparing 2,6-dimethylphenol Jun. 4, 2002
6303835 Method for recovering material values from bisphenol tars Oct. 16, 2001
6291723 Diolefin/hydroxyaryl condensates and catalyst therefor Sep. 18, 2001
6187964 Method of producing phenol compound Feb. 13, 2001
5300704 Controlled catalytic and thermal sequential pyrolysis and hydrolysis of mixed polymer waste streams to sequentially recover monomers or other high value products Apr. 5, 1994
5260461 Ligands for ADH: cinchona alkaloids and moderately sized organic substituents linked through a planar aromatic spacer group Nov. 9, 1993
5198591 Method to manufacture bisphenol A Mar. 30, 1993
5136111 Controlled catalytic and thermal sequential pyrolysis and hydrolysis of phenolic resin containing waste streams to sequentially recover monomers and chemicals Aug. 4, 1992
4960958 Catalysts for catalytic pyrolysis of phenol distillation residue and process for recovering useful substances by pyrolysis the same Oct. 2, 1990
4900873 Method of manufacturing phenols from lignin Feb. 13, 1990
4873376 Process for the production of monomeric alkenylphenols from dihydroxydiphenylalkanes Oct. 10, 1989
4754081 Process for dearylation of alkylenebisphenols and alkyltrisphenols Jun. 28, 1988
4717777 Process for preparing p-isopropenyl phenol Jan. 5, 1988
4695659 Method for dealkylation of alkyl-aryl ethers Sep. 22, 1987
4657890 Catalyst for preparing p-isopropenyl phenol Apr. 14, 1987
4533769 Method of making methylated phenol from methylated cyclohexeneone Aug. 6, 1985
4476330 Conversion of ethers using a zeolite catalyst Oct. 9, 1984
4453025 Process for the preparation of 3,5-xylenol Jun. 5, 1984
4420644 Lignin hydrocracking process to produce phenol and benzene Dec. 13, 1983
4381413 Process for converting anisoles to ortho-methylated phenolic products Apr. 26, 1983
4375566 Process for producing ortho-alkylated phenols from anisoles Mar. 1, 1983
4351966 Phenol recovery from bisphenol-A waste streams Sep. 28, 1982
4283567 Method for recovering resorcinol Aug. 11, 1981
4258221 Cleavage of alkylenebisphenols Mar. 24, 1981
4245128 Process for cleaving dihydroxydiphenyl alkanes Jan. 13, 1981
4242528 Process for preparing isopropenyl phenol Dec. 30, 1980
4230895 Thermal hydrodealkylation of alkyl phenols Oct. 28, 1980
4227012 Oxidation of methyl benzenes in the presence of acetic acid and a dehydrating agent Oct. 7, 1980
4225728 Catalytic process for the conversion of ethyl benzene to equimolar amounts of vinyl acetate and phenol Sep. 30, 1980
4225414 Process for hydrocracking carbonaceous material to provide fuels or chemical feed stock Sep. 30, 1980
4131749 Method for waste recovery from a process of the production of diphenylolpropane Dec. 26, 1978

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