Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1989-04-14
1991-01-01
Henderson, Christopher
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526245, 526248, 5262922, 5262923, 526296, 526304, 526307, 5263072, C08F22052, C08F22034
Patent
active
049819364
ABSTRACT:
Water soluble terpolymers based on (1) an acrylamide or acrylamide derivative, (2) a cationic vinyl monomer and (3) a hydrophilic vinyl monomer of the formula CH.sub.2 C(R)C(O)O(CH.sub.2 (CH.sub.2).sub.m O).sub.n E where R and E are each hydrogen or alkyl, m is an integer from 1 to 3 and n is an integer from 1 to 25 are useful flocculants.
REFERENCES:
patent: 4323363 (1982-04-01), Brachten
patent: 4463151 (1984-07-01), Schulz
patent: 4728696 (1988-03-01), Phung
Good, Jr. Frederick J.
Highsmith Ronald E.
Henderson Christopher
Phipps Robert M.
Polypure, Inc.
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