EP 0320766 B1 19940112 - Viscosity index-modifying polymer blends for petroleum fractions.
Title (en)
Viscosity index-modifying polymer blends for petroleum fractions.
Title (de)
Polymermischungen für die Verbesserung der Fliessfähigkeit von Mineralöldestillaten in der Kälte.
Title (fr)
Mélanges de polymères modifiant la viscosité de fractions de pétrole.
Publication
Application
Priority
DE 3742630 A 19871216
Abstract (en)
[origin: EP0320766A2] Polymer blends of a copolymer (A1) of 10-60% by weight of vinyl acetate and 40-90% by weight of ethylene or of a copolymer (A2) of 15-50% by weight of vinyl acetate, 0.5-20% by weight of C6-C24- alpha -olefine and 30-70% by weight of ethylene and a copolymer (B) of 10-90% by weight of C6-C24- alpha -olefine and 10-90% of N-C6-C12-alkyl- maleimide, the mixing ratio of the copolymers (A1) or (A2) to (B) being 100:1 to 1:1, are used as flow improvers in mineral oil distillates.
IPC 1-7
C10L 1/14; C10M 145/08; C08L 31/04; C08L 23/08; C08L 23/18; C08L 33/24
IPC 8 full level
C08L 23/08 (2006.01); C08F 222/40 (2006.01); C08L 23/18 (2006.01); C08L 31/04 (2006.01); C08L 33/24 (2006.01); C08L 35/00 (2006.01); C10L 1/14 (2006.01); C10M 145/08 (2006.01); C10L 1/16 (2006.01); C10L 1/18 (2006.01); C10L 1/22 (2006.01)
CPC (source: EP US)
C10L 1/143 (2013.01 - EP US); C10L 1/146 (2013.01 - EP US); C10L 1/1641 (2013.01 - EP US); C10L 1/1973 (2013.01 - EP US); C10L 1/2364 (2013.01 - EP US)
Designated contracting state (EPC)
BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0320766 A2 19890621; EP 0320766 A3 19891220; EP 0320766 B1 19940112; CA 1337888 C 19960102; DE 3742630 A1 19890629; DE 3887115 D1 19940224; ES 2061616 T3 19941216; FI 885781 A0 19881214; FI 885781 A 19890617; FI 97234 B 19960731; FI 97234 C 19961111; JP 2777810 B2 19980723; JP H01201348 A 19890814; NO 174261 B 19931227; NO 174261 C 19940406; NO 885579 D0 19881215; NO 885579 L 19890619; US 4985048 A 19910115
DOCDB simple family (application)
EP 88120410 A 19881207; CA 585958 A 19881215; DE 3742630 A 19871216; DE 3887115 T 19881207; ES 88120410 T 19881207; FI 885781 A 19881214; JP 31520288 A 19881215; NO 885579 A 19881215; US 28408588 A 19881214