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:
Mar. 26, 1985
Filed:
Jan. 04, 1984
Applicant:
Inventors:
Ashok K Mendiratta, Schenectady, NY (US);
Wayne F Morgan, Mechanicville, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
568724 ; 568749 ;
Abstract
A method for purifying water-crystallized bisphenol-A involving treatment with an aqueous alkaline solution. The concentration of base preferably ranges from 0.1 to 25 weight percent of crude bisphenol-A. The crude bisphenol-A is a solid and preferably at a temperature in the range of about 10.degree. to 80.degree. C.
Mendiratta, Ashok. (1985). Purification of bisphenol-a (U.S. Patent No. 4507509). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4507509
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile