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:
Jun. 05, 2012
Filed:
Jan. 28, 2010
Applicants:
Shuichiro Sugimoto, Tokyo, JP;
Takao Hirono, Tokyo, JP;
Eiji Morimoto, Tokyo, JP;
Inventors:
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L 27/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluorocopolymer capable of exhibiting excellent water and oil resistance even with its perfluoroalkyl group being a short chain, and a water and oil proofing composition containing it, are provided. A water and oil proofing composition containing a fluorocopolymer (A) comprising from 40 to 98 mass % of polymerized units (a') having a Cperfluoroalkyl group, from 1 to 50 mass % of polymerized units (b′) having an alkylene oxide and from 1 to 10 mass % of polymerized units (c′) based on a monomer represented by CH═C(COOH)-Q-COOH (wherein Q is a Calkylene group, etc.).