Stock material or miscellaneous articles – Pile or nap type surface or component – With coating – impregnation – or bond
Patent
1991-07-11
1992-06-02
Cannon, James C.
Stock material or miscellaneous articles
Pile or nap type surface or component
With coating, impregnation, or bond
8557, 8558, 8924, 8925, 8DIG21, 252267, 252290, 252361, 252378, 252395, 2524758, 2524763, B32B 2708, B32B 3300, D06M 15263
Patent
active
051185512
ABSTRACT:
The present invention provides methods and compositions to impart coffee stain resistance to polyamide textile substrate such as carpets. The compositions comprise either (i) a copolymer selected from the group consisting of a hydrolyzed aromatic-containing vinyl ether maleic anhydride copolymer, a half ester of an aromatic-containing vinyl ether maleic anhydride copolymer, and mixtures thereof, or (ii) an aromatic-containing acrylate copolymerized with an acid selected from the group consisting of acrylic acid and maleic acid. The coffee stain-resistant polyamide textile substrates made are also part of the invention.
REFERENCES:
patent: 4501591 (1985-02-01), Ucci
patent: 4579762 (1986-04-01), Ucci
patent: 4680212 (1987-07-01), Ucci
patent: 5001004 (1991-03-01), Fitzgerald et al.
Bedwell William B.
Calcaterra Lidia T.
Farishta Qamardin
Green George D.
Hangey Dale A.
Allied-Signal Inc.
Cannon James C.
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