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. 05, 1978
Filed:
Jun. 06, 1977
Applicant:
Inventors:
Howard J Klopfer, Clifton Park, NY (US);
John R Campbell, Clifton Park, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568726 ;
Abstract
The compound 1,1,1-trichloro-2,2-bis(4-hydroxyphenyl)ethane can be prepared by effecting reaction between phenol and chloral in a solvent medium comprising aqueous sulfuric acid of a concentration of from 75 to 88%.