Global Patent Index - EP 0890633 B1

EP 0890633 B1 20040317 - Use of copolymers of ethylene and unsaturated carboxylic esters in middle distillates to improve cold flow properties

Title (en)

Use of copolymers of ethylene and unsaturated carboxylic esters in middle distillates to improve cold flow properties

Title (de)

Verwendung von Copolymeren aus Ethylen und ungesättigten Carbonsäureestern in Mitteldestillaten zur Verbesserung der Kaltfliesseigenschaften

Title (fr)

Utilisation de copolymères d'éthylène et d'esters carboxyliques insaturés dans des distillats moyens pour l'amélioration des propriétés d'écoulement à froid

Publication

EP 0890633 B1 20040317 (DE)

Application

EP 98111799 A 19980626

Priority

DE 19729055 A 19970708

Abstract (en)

[origin: EP0890633A1] Fuel oil contains: (A) a mineral oil having a cloud point of less than -8 degrees C, a boiling point of less than 120 degrees C and a difference between CFPP and PP of less than 10 degrees C; and (B) one or more copolymers contg. bivalent structural units of formula: CH2CH2 (1) and one or more bivalent structural units for formula: CH2CR1CR2 (2) (where, R1 = H or CH3; R2 = COOR3, OR3 or OCOR3; and R3 = 4-30C alkyl); or a unit derived from maleic acid of formula (2a).

IPC 1-7

C10L 1/22; C10L 1/18

IPC 8 full level

C10L 1/192 (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 1/234 (2006.01); C10L 1/236 (2006.01)

CPC (source: EP)

C10L 1/1955 (2013.01); C10L 1/1963 (2013.01); C10L 1/1973 (2013.01); C10L 1/2364 (2013.01)

Designated contracting state (EPC)

AT BE DE FI FR GB IT NL SE

DOCDB simple family (publication)

EP 0890633 A1 19990113; EP 0890633 B1 20040317; AT E262021 T1 20040415; CA 2242517 A1 19990108; CA 2242517 C 20070529; DE 19729055 A1 19990114; DE 19729055 C2 20000727; DE 59810973 D1 20040422; JP 4754664 B2 20110824; JP H1171587 A 19990316

DOCDB simple family (application)

EP 98111799 A 19980626; AT 98111799 T 19980626; CA 2242517 A 19980707; DE 19729055 A 19970708; DE 59810973 T 19980626; JP 19192098 A 19980707