C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 222/04 (2006.01) C08F 8/32 (2006.01) C08F 210/14 (2006.01) C08F 216/12 (2006.01) C08F 222/00 (2006.01) C08L 23/08 (2006.01) C08L 23/18 (2006.01) C08L 29/10 (2006.01) C08L 31/02 (2006.01) C08L 35/00 (2006.01) C10L 1/14 (2006.01) C10L 1/196 (2006.01) C10L 1/197 (2006.01) C10L 1/198 (2006.01) C10L 1/236 (2006.01) C10M 145/16 (2006.01) C10M 149/06 (2006.01) C10M 157/00 (2006.01) C10M 157/04 (2006.01) F17D 1/17 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01)
Patent
CA 2112855
Terpolymers based on .alpha., .beta.-unsaturated dicarboxylic an- hydrides, .alpha., .beta.-unsaturated compounds and polyoxyalkylene ethers of lower unsaturated alcohols. The present invention relates to terpolymers based on .alpha., .beta.-unsaturated dicarboxylic anhydrides, .alpha., .beta.- unsaturated compounds and polyoxyalkylene ethers as defined in claim 1, and also a process for preparing the same as defined in claim 5. The invention likewise relates to a mixture of at least one terpolymer as defined in claim 1 and at least one ethylene-vinyl ester copolymer. The terpolymers of the invention, and mixtures thereof, are used as paraffin inhibitors in crude oils and petroleum products.
Feustel Michael
Krull Matthias
Clariant Produkte (deutschland) Gmbh
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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