Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-01-22
1983-07-05
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524475, 524801, C08J 302
Patent
active
043919324
ABSTRACT:
Water-in-oil emulsions of copolymers of acrylamide and dimethylaminopropylacrylamide are disclosed. These polymers find use as retention aids in the manufacture of paper and as dewatering agents for municipal and industrial aqueous waste materials. Methods of preparing these polymers are disclosed.
REFERENCES:
patent: 3624019 (1971-11-01), Anderson et al.
patent: 3647769 (1972-03-01), Bofton et al.
patent: 4073763 (1978-02-01), Tai
Lipman Bernard
Miller Robert A.
Nalco Chemical Company
Premo John G.
Schofer Joseph L.
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