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:
Mar. 03, 2009
Filed:
Jan. 25, 2007
Applicants:
Yoko Takebe, Yokohama, JP;
Masataka Eda, Yokohama, JP;
Osamu Yokokoji, Yokohama, JP;
Takashi Sasaki, Yokohama, JP;
Inventors:
Yoko Takebe, Yokohama, JP;
Masataka Eda, Yokohama, JP;
Osamu Yokokoji, Yokohama, JP;
Takashi Sasaki, Yokohama, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 136/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluoropolymer having functional groups and having high transparency in a wide wavelength range is provided, and a resist composition and a composition for a resist protective film, comprising the fluoropolymer, wherein the fluoropolymer has monomer units formed by cyclopolymerization of a fluorinated diene represented by the formula (1):CF═CFCFC(CF)(OR)—(CH)CR═CHR  (1)