Global patent index - EP 1082403 A1

EP 1082403 A1 2001-03-14 - DIALKYL FUMARATE COPOLYMERS AND THEIR USE AS FLOW IMPROVERS IN OLEAGINOUS FLUIDS

Title (en)

DIALKYL FUMARATE COPOLYMERS AND THEIR USE AS FLOW IMPROVERS IN OLEAGINOUS FLUIDS

Title (de)

DIALKYLFUMARAT COPOLYMERE UND IHRE VERWENDUNG ALS FLIESSVERBESSERER IN ÖLHALTIGEN FLÜSSIGKEITEN

Title (fr)

COPOLYMERES DE FURAMATE DIALCOYLIQUE ET LEUR UTILISATION COMME AGENTS AMELIORANT L'ECOULEMENT DANS DES LIQUIDES OLEAGINEUX

Publication

EP 1082403 A1 (EN)

Application

EP 99922904 A

Priority

  • US 9910203 W
  • US 8725798 P

Abstract (en)

[origin: WO9963029A1] The invention relates to a copolymer composition useful as wax crystal modifiers and flow improvers. The compositions are copolymers of a C6 to C250 straight-chain or branched dialkyl fumarate and at least one compound selected from the group consisting of carbon monoxide, C3 to C30 alpha -olefin, ethylene, styrene, and vinyl acetate.

IPC 1-7 (main, further and additional classification)

C10M 145/16; C08F 218/16; C08G 67/02; C10L 1/18; C10M 145/18

IPC 8 full level (invention and additional information)

C10L 1/192 (2006.01); C08F 218/16 (2006.01); C08F 222/14 (2006.01); C08G 67/02 (2006.01); C10L 1/196 (2006.01); C10L 1/197 (2006.01); C10L 10/08 (2006.01); C10M 145/16 (2006.01); C10M 145/18 (2006.01); C10N 30/02 (2006.01)

CPC (invention and additional information)

C08G 67/02 (2013.01); C08F 222/14 (2013.01)

Citation (search report)

See references of WO 9963029A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

WO 9963029 A1 19991209; AU 3979799 A 19991220; CA 2333128 A1 19991209; EP 1082403 A1 20010314; JP 2002517547 A 20020618

INPADOC legal status

2003-07-30 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030123

2001-06-13 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010430

2001-03-14 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20001207

2001-03-14 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB IT