Water-soluble, polymer-modified hydroxyalkyl methyl cellulose an

Details Water-soluble, polymer-modified hydroxyalkyl methyl cellulose an Water-soluble, polymer-modified hydroxyalkyl methyl cellulose an

1984-10-26

1986-05-13

Kight, John

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 5421, 523457, C08B 3700, C08B 7352, C08B 7354, C04B 1122

Patent

active

045887721

ABSTRACT:
Water-soluble substances of high molecular weight obtained by reacting hydroxyalkyl methyl celluloses with copolymers of 2-acrylamido-2-methyl-3-propane sulfonic acid/acrylamide/ethylacrylate and a bifunctional crosslinking component in an alkaline medium.

REFERENCES:
patent: 3898037 (1975-08-01), Lange et al.
patent: 4015991 (1977-04-01), Persinski et al.
patent: 4028290 (1977-06-01), Reid
patent: 4242242 (1980-12-01), Allen
patent: 4330441 (1982-05-01), Bohmer et al.

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