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. 24, 1985
Filed:
Jan. 02, 1985
Applicant:
Inventors:
Victor Mark, Evansville, IN (US);
Charles V Hedges, Mt. Vernon, IN (US);
Assignee:
General Electric Company, Mt. Vernon, IN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568722 ; 568 53 ; 568 58 ; 568333 ; 568638 ;
Abstract
A transalkylation process for the preparation of dihydric phenols comprising reacting, in the presence of an acid or base catalyst, at least one mole of an aromatic monohydroxy compound such as a phenol with at least one mole of an aromatic dihydroxy compound such as a dihydric phenol, thereby forming at least one dihydric phenol which is different than said aromatic dihydroxy compound.