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:
Dec. 23, 1980
Filed:
Apr. 26, 1979
Applicant:
Inventors:
Clayton B Quinn, Mt. Vernon, IN (US);
Clayton W Reinitz, Mt. Vernon, IN (US);
William Hilakos, Mt. Vernon, IN (US);
Assignee:
General Electric Company, Pittsfield, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603452 ; 568724 ;
Abstract
A process is disclosed for isolating and purifying diphenol by-products to obtain an enriched chroman-I concentrate. The process includes slurrying a mixture of diphenol by-products in a suitable solvent system to form a solid, and then recovering, washing and drying the collected solid.