C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/321, 134/55,
C08F 228/02 (2006.01) C04B 24/16 (2006.01) C04B 24/26 (2006.01) C08F 246/00 (2006.01) C09K 8/24 (2006.01) C09K 8/46 (2006.01)
Patent
CA 1258947
Abstract of the disclosure: Copolymers of a) (meth)acrylic acid or (meth)- acrylic acid derivatives, b) vinylsulfonic acid, methal- lylsulfonic acid or acrylamidopropenylmethylenesulfonic acid and c) N-vinylcarboxylic acid amides, and their use as dispersing agents, in particular for drilling muds and cement slurries.
465864
Engelhardt Friedrich
Friede Wolfgang
Hille Martin
Riegel Ulrich
Wittkus Heinz
Clariant Produkte (deutschland) Gmbh
Fetherstonhaugh & Co.
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