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:
Jul. 04, 2006
Filed:
Dec. 02, 2002
Applicants:
Takashi Okazoe, Yokohama, JP;
Kunio Watanabe, Yokohama, JP;
Shin Tatematsu, Yokohama, JP;
Masakuni Sato, Yokohama, JP;
Hidenobu Murofushi, Yokohama, JP;
Koichi Yanase, Ichihara, JP;
Yasuhiro Suzuki, Ichihara, JP;
Inventors:
Takashi Okazoe, Yokohama, JP;
Kunio Watanabe, Yokohama, JP;
Shin Tatematsu, Yokohama, JP;
Masakuni Sato, Yokohama, JP;
Hidenobu Murofushi, Yokohama, JP;
Koichi Yanase, Ichihara, JP;
Yasuhiro Suzuki, Ichihara, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 16/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a method for preparing a compound of CFCFCFOCF═CFby pyrolyzing a compound expressed by CFCFCFOCF(CF)COOCFCF(CF)OCFCFCFin a gas phase at a temperature of from 200° C. to 500° C.