Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1990-02-01
1991-04-16
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
526216, C08K 509
Patent
active
050083198
ABSTRACT:
Homogeneous compositions of a solid, water soluble organic acid, e.g., glutaric acid, and a solid cationic ester-based copolymer flocculant are resistant to mechanical segregation and stratification caused by agitation. The compositions are prepared by coating the polymeric flocculant with the organic acid. The compositions are useful in sludge dewatering, water treatment, paper processing and waste water treatment.
REFERENCES:
patent: 4668747 (1987-05-01), Cadel et al.
Highsmith Ronald E.
Larson Eric H.
Phipps Robert M.
Polypure, Inc.
Schofer Joseph L.
Smith Jeffrey T.
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