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. 17, 2007
Filed:
Apr. 27, 2006
Applicants:
Yoko Takebe, Yokohama, JP;
Osamu Yokokoji, Yokohama, JP;
Inventors:
Yoko Takebe, Yokohama, JP;
Osamu Yokokoji, Yokohama, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C 1/73 (2006.01); C08F 14/18 (2006.01); C07C 33/42 (2006.01); C07C 21/19 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a fluorinated compound having functional groups in a high concentration so that adequate characteristics of the functional groups can be obtained and having high transparency in a wide wavelength region, a fluoropolymer, and a process for its production. The present invention provides a fluorinated diene represented by the following formula (1):CF═CFCHCH(C(R)(R)(OH))CHCH═CH  (1)wherein each of Rand Rwhich are independent of each other, is a fluorine atom or a fluoroalkyl group having at most 5 carbon atoms.