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Class Information
Number: 568/727
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) > Polyphenols > Two phenols bonded directly to the same carbon > Identical phenols > Preparing from a phenol and an aldehyde or ketone
Description: Processes wherein the compound is produced by reacting a phenol with an aldehyde or ketone.










Sub-classes under this class:

Class Number Class Name Patents
568/728 Isopropylidene diphenol produced 182


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8445731 Process for producing bisphenol compound May. 21, 2013
8350096 Compound for resist and radiation-sensitive composition Jan. 8, 2013
8247619 BPA and polycarbonate made from renewable materials Aug. 21, 2012
8110334 Radiation-sensitive composition Feb. 7, 2012
8053609 Solid catalyst useful for converting an alkylene oxide to an alkylene glycol Nov. 8, 2011
7989666 Method for preparing bisphenol A Aug. 2, 2011
7820866 Process for the manufacture of polyphenols Oct. 26, 2010
7763757 Crystallization processes for producing bisphenols Jul. 27, 2010
7737310 Method for producing biphenols from monophenols Jun. 15, 2010
RE41290 Process for purifying phenol-containing bisphenol A Apr. 27, 2010
7686958 Method for the production of a chemical reaction product with the aid of a fixed-bed reactor Mar. 30, 2010
7321069 Process for preparing bisphenols Jan. 22, 2008
7227046 Method for making bisphenol A Jun. 5, 2007
7132575 Process for the synthesis of bisphenol Nov. 7, 2006
7112702 Process for the synthesis of bisphenol Sep. 26, 2006
7067704 Process for purifying bisphenol-a Jun. 27, 2006
7049475 Organic compound decomposing method May. 23, 2006
6995294 Method for producing bisphenol catalysts and bisphenols Feb. 7, 2006
6992228 Method for producing bisphenol catalysts and bisphenols Jan. 31, 2006
6906226 Hydroxymethyl-substituted polyfunctional phenols Jun. 14, 2005
6906227 Bisphenol phenol adducts Jun. 14, 2005
6884894 Method for producing bisphenol catalysts and bisphenols Apr. 26, 2005
6872859 Process for the preparation of bisphenols with zeolites Mar. 29, 2005
6872860 Method for producing bisphenol catalysts and bisphenols Mar. 29, 2005
6858759 Process for manufacture of bisphenols Feb. 22, 2005
6858758 Method for producing bisphenols Feb. 22, 2005
6825386 Catalyst for bisphenol compound production and process for producing bisphenol compound with the catalyst Nov. 30, 2004
6784228 Epoxy resin composition, cured article thereof, novel epoxy resin, novel phenol compound, and process for preparing the same Aug. 31, 2004
6740684 Process for producing a strong-acid cation exchange resin May. 25, 2004
6730816 High productivity bisphenol-A catalyst May. 4, 2004
6710212 Incremental flow reactor and method for parallel screening Mar. 23, 2004
6693220 Method for screening multiple reactants and catalyst systems using incremental flow reactor methodology Feb. 17, 2004
6683223 Fluidised bisphenol dust Jan. 27, 2004
6646097 Method for purifying 1,1-bis(4'-hydroxy-3'-methylphenyl)cyclohexane and methods of producing polycarbonates therefrom Nov. 11, 2003
6635788 Process for manufacture of bisphenols Oct. 21, 2003
6620939 Method for producing bisphenol catalysts and bisphenols Sep. 16, 2003
6610889 Catalytic compositions and methods for asymmetric aldol reactions Aug. 26, 2003
6586640 Decomposition of organic hydroperoxides in the presence of a particulate catalyst containing highly fluorinated polymer having sulfonic acid groups and process for the manufacture of bisphenol Jul. 1, 2003
6534686 Method for producing bisphenol catalysts and bisphenols Mar. 18, 2003
6492566 Process for the preparation of dihydroxydiphenylmethanes Dec. 10, 2002
6486363 Process for the manufacture of bis(4-hydroxyaryl)alkanes Nov. 26, 2002
6486364 Amine modified catalysts for bisphenol production Nov. 26, 2002
6486222 Combination ion exchange resin bed for the synthesis of bisphenol A Nov. 26, 2002
6465697 Catalyst promotor for the manufacture of polyphenols Oct. 15, 2002
6429343 Process for producing bisphenol a Aug. 6, 2002
6414200 Silylmethanethiols as promoters for bisphenol production Jul. 2, 2002
6329556 Process for preparing bisphenol A Dec. 11, 2001
6326461 Natural resin formulations Dec. 4, 2001
6307111 Method for continuous production of dihydroxydiarylalkanes Oct. 23, 2001
6303835 Method for recovering material values from bisphenol tars Oct. 16, 2001

1 2 3 4 5










 
 
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