Terpolymers of maleic acid anhydride, (meth)acrylic acid, and (m

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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524186, 524236, 524253, 524401, 524811, 524833, 5263171, 5263182, 526271, 8 9419R, 5253302, 525378, 525379, 525380, 525381, 525382, C08C 3700, C08K 516, C08F13008, C08F12068

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047375493

ABSTRACT:
Terpolymers of 30 to 75% by weight of maleic acid (anhydride), 5 to 60% by weight of (meth)acrylic acid and 5 to 40% by weight of (meth)acrylonitrile are suitable as retanning agents for mineral-tanned leather.

REFERENCES:
patent: 2205882 (1940-06-01), Graves
patent: 2873211 (1959-02-01), Roser et al.
patent: 4387191 (1983-06-01), Dufour et al.

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