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. 08, 2003
Filed:
Oct. 30, 2001
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
A water repellent composition is provided containing the polymers (A) and (B), wherein polymers (A) and (B) are not present in the same particles, wherein polymer (A) is an addition polymer having at least 60 mass % of polymerized units of a (meth)acrylate (a) having a polyfluoroalkyl group, and 0-40 mass % of a methacrylate (b) having a long chain alkyl group and not a polyfluoroalkyl group, and, if necessary, polymerized units of a polymerizable monomer (x) other than monomers (a) and (b), polymer (B) is an addition polymer having 0-60 mass % of monomer (a), and at least 30 mass % of polymerized units of a polymerizable monomer (c), other than monomers (a) and (b), and, if necessary, polymerized units of a monomer (y) other than monomers (a) and (c), along with an article treated therewith and the method of treating an article with the water repellent composition.