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. 28, 1978
Filed:
Sep. 02, 1976
Applicant:
Inventors:
Charles E Warburton, Jr, Ambler, PA (US);
Joseph J Benischeck, Philadelphia, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08G / ; D06M / ;
U.S. Cl.
CPC ...
252-86 ; 260 / ; 260 / ; 260836 ; 2608 / ; 427386 ; 4273 / ; 428265 ; 526273 ; 526317 ;
Abstract
Soiling resistance and soil release of carpets are improved by coating the carpets or carpet yarns prior to carpet manufacture with a polymeric material containing either (A) a blend of a methacrylic acid emulsion copolymer and an epoxy resin or (B) a methacrylic acid emulsion copolymer having epoxy monomer units therein. The copolymer in either case contains 40-75% by weight methacrylic acid and the glass transition temperature of cured coatings of the polymeric material is at least 50.degree. C.