Use of copolymers based on vinyl monomers and carboxylic acid am

Details Use of copolymers based on vinyl monomers and carboxylic acid am Use of copolymers based on vinyl monomers and carboxylic acid am

1994-02-10

1996-08-06

McGinty, Douglas J.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Removing formation impurities from artifical fiber

510475, 510476, 510337, 510360, 510513, B08B 308, C11D 332, C11D 337, C11D 1706

Patent

active

055429513

ABSTRACT:
Use of copolymers based on vinyl monomers and carboxylic acid amides as a detergent additive
The present invention relates to the use of copolymers comprising
75-95% by weight of the total amount of the monomer of at least one vinyl monomer which is free from carboxyl and amide groups,
5-20% by weight of at least one carboxylic acid amide of the formula (I) ##STR1## in which R is a hydrogen atom or a methylol radical,
R.sup.1 is a hydrogen atom or a C.sub.1 -C.sub.3 -alkyl radical and
R.sup.2 is a hydrogen atom or a methyl radical
and if appropriate together with not more than 5% by weight of a copolymerizable unsaturated carboxylic acid, as a detergent additive for preventing the reabsorption of detached dyestuffs and dyestuff degradation products.

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patent: 4866119 (1989-09-01), Mudge
patent: 4975524 (1990-12-01), Berendt
patent: 5227446 (1993-07-01), Denzinger et al.

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