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:
Jan. 11, 2000
Filed:
Jan. 16, 1998
Daikin Industries Ltd., Osaka-fu, JP;
Abstract
The present invention provides a stainproofing agent having the durability capable of maintaining sufficient water- and oil-repellency as well as stainproofing properties before and after cleaning. Disclosed is a stainproofing agent containing (A) a fluroalkyl group-containg copolymer having (I) a structure unit derived from a monomer having a fluoroalkyl group, (II) a structure unit derived from a monomer containing no fluorine, (III) a structure unit derived from vinyl chloride, and (IV) a structure unit derived from a crosslinking monomer; (B) a urethane compound having a fluoroalkyl group, or a copolymer having (V) a structure unit derived from a monomer having a fluoroalkyl group and a carbon-carbon double bond, and (VI) a structure unit derived from a monomer which contains no fluorine atom and has at least one urethane or urea linkage and one carbon-carbon double bond; and (C) an acrylic copolymer containing no fluorine.