The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 08, 1985
Filed:
Apr. 22, 1983
Applicant:
Inventor:
Viney P Aneja, Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568724 ; 568730 ;
Abstract
Bisphenol A is commonly purified by a method which includes formation of an adduct thereof with phenol from a liquid mixture to which water has been added. This method is improved by the simultaneous addition of an organic liquid in an amount up to about 15% by weight of the mixture. The preferred organic liquids are acetone and toluene.