Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1988-04-19
1990-08-28
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
52631841, 52631842, 52631843, 525 59, C08F 2010
Patent
active
049526553
ABSTRACT:
Water-soluble copolymers having a K value of from 15 to 120 (determined on the sodium salt according to H. Fikentscher in aqueous solution at 25.degree. C., a pH of 7 and a polymer concentration of the Na salt of 1% by weight) contain, in the polymerized form,
REFERENCES:
patent: 3988305 (1976-10-01), Stol et al.
patent: 4096323 (1978-06-01), Wegemund
Boeckh Dieter
Hartmann Heinrich
Kud Alexander
Seelmann-Eggebert Hans-Peter
Trieselt Wolfgang
BASF - Aktiengesellschaft
Conger William G.
Connaughton Martin P.
Schofer Joseph L.
Walker Alex H.
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