Water-soluble copolymers with pendant phosphonic, sulphonic and

Details Water-soluble copolymers with pendant phosphonic, sulphonic and Water-soluble copolymers with pendant phosphonic, sulphonic and

1986-07-14

1988-05-10

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

8 941R, 8553, 8557, 526264, 526278, C08F23002

Patent

active

047436662

ABSTRACT:
Water-soluble copolymers containing a statistical distribution of 1-86% by weight of structural units of the formula ##STR1## 9-80% by weight of units of the formula ##STR2## 5-90% by weight of units of the formula ##STR3## and up to a total of 30% by weight of one or more units of the formulae ##STR4## wherein R.sup.1 is alkyl having 1 to 4 carbon atoms;

REFERENCES:
patent: 3297663 (1967-01-01), Herbst
patent: 4309523 (1982-01-01), Engelhardt et al.
patent: 4357245 (1982-11-01), Engelhardt et al.
patent: 4451631 (1984-05-01), Engelhardt et al.
patent: 4521579 (1985-06-01), Engelhardt et al.

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