EP 0485774 B1 19940216 - Petrolium middle distillate with improved cold flowcharacteristics.
Title (en)
Petrolium middle distillate with improved cold flowcharacteristics.
Title (de)
Erdölmitteldestillate mit verbesserten Fliesseigenschaften in der Kälte.
Title (fr)
Distillat moyen de pétrole à propriétés d'écoulement au froid améliorées.
Publication
Application
Priority
DE 4036226 A 19901114
Abstract (en)
[origin: EP0485774A1] Petroleum middle distillates having improved cold-flow properties contain small quantities of A) conventional ethylene-base flow improvers and B) copolymers which consist a) of 10 to 90 mol% of one or more alkyl acrylates or alkyl methacrylates having C1- to C30-alkyl chains and b) of 5 to 60 mol% of one or more ethylenically unsaturated dicarboxylic acids or anhydrides thereof and c) of 5 to 60 mol% of one or more alkyl vinyl ethers having C18- to C28-alkyl side chains, the A/B weight ratio being 40 : 60 to 95 : 5. c
IPC 1-7
IPC 8 full level
C10L 1/14 (2006.01); C10L 1/18 (2006.01); C10L 1/195 (2006.01); C10L 1/196 (2006.01); C10L 1/197 (2006.01); C10L 1/22 (2006.01); C10L 1/236 (2006.01)
CPC (source: EP)
C10L 1/146 (2013.01); C10L 1/195 (2013.01); C10L 1/1966 (2013.01); C10L 1/1973 (2013.01); C10L 1/2364 (2013.01)
Designated contracting state (EPC)
AT BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0485774 A1 19920520; EP 0485774 B1 19940216; AT E101640 T1 19940315; CA 2055417 A1 19920515; DE 4036226 A1 19920521; DE 59101025 D1 19940324; ES 2049072 T3 19940401; FI 915127 A0 19911030; FI 915127 A 19920515; NO 914444 D0 19911113; NO 914444 L 19920515
DOCDB simple family (application)
EP 91118117 A 19911024; AT 91118117 T 19911024; CA 2055417 A 19911113; DE 4036226 A 19901114; DE 59101025 T 19911024; ES 91118117 T 19911024; FI 915127 A 19911030; NO 914444 A 19911113