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. 18, 1990
Filed:
May. 31, 1989
Applicant:
Inventors:
Masamichi Maruta, Kawagoe, JP;
Tetsuo Wada, Ube, JP;
Assignee:
Central Glass Company, Limited, Ube, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568707 ; 568706 ; 568709 ; 568713 ;
Abstract
Disclosed herein is a method of producing 2,2-bis(3-nitro-4-hydroxphenyl)hexafluoropropane, which comprises (a) preparing 2,2-bis(4-hydroxyphenyl)hexafluoropropane and a lower fatty acid; and (b) allowing the 2,2-bis(4-hydroxyphenyl)hexafluoropropane to react with nitric acid in the lower fatty acid.