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:
Sep. 19, 1989
Filed:
Mar. 09, 1987
Applicant:
Inventors:
Kirby V Scherer, Jr, Santa Monica, CA (US);
Taizo Ono, Kyoto, JP;
Kouichi Yamanouchi, Osaka, JP;
Kazumasa Yokoyama, Osaka, JP;
Assignee:
The Green Cross Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
549362 ; 549347 ; 549397 ; 549455 ; 549462 ; 549504 ; 568664 ; 568669 ;
Abstract
The present invention relates to novel perfluoro chemicals (PFC), particularly perfluorocyclic ethers and polyfluorinated compounds containing a few chlorine atoms and to a method for the preparation thereof.