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. 03, 1996
Filed:
Mar. 01, 1995
Applicant:
Inventors:
Yasuo Tarumi, Matsuida-machi, JP;
Hirofumi Kishita, Matsuida-machi, JP;
Toshio Takago, Matsuida-machi, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549346 ; 549347 ; 526247 ;
Abstract
A fluorine-containing compound represented by the following general formula (1): ##STR1## wherein A represents a group --CH.sub.2 --CH.dbd.CH.sub.2 or a group ##STR2## in which R represents a hydrogen atom or an alkyl group. The compound is useful as an intermediate for producing various compounds and can introduce perfluorocyclic ether groups into various polymers to give such properties as chemical resistance, water repellency, oil repellency, and weather resistance to the polymers.