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:
May. 22, 1979
Filed:
May. 30, 1978
Applicant:
Inventor:
Ming K Li, Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568724 ;
Abstract
Impure bisphenol-A can be purified by treatment of a phenol adduct of the latter with methylene chloride and then recovering the purified bisphenol-A.
Quick Actions:
Li, Ming. (1979). Purification of bisphenol-a (U.S. Patent No. 4156098). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4156098
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile