Global Patent Index - EP 0981572 A1

EP 0981572 A1 2000-03-01 - POLYMER COMPOSITIONS

Title (en)

POLYMER COMPOSITIONS

Title (de)

POLYMERZUSAMMENSETZUNGEN

Title (fr)

COMPOSITIONS DE POLYMERES

Publication

EP 0981572 A1 (EN)

Application

EP 97924985 A

Priority

EP 9702705 W

Abstract (en)

[origin: WO9851731A1] Polymer compositions comprising a dispersion of at least one polymer A obtained by polymerisation of at least one olefinically unsaturated compound, which polymer contains aliphatic hydrocarbon side chains of at least 10 carbon atoms, in a continuous aqueous phase comprising a surfactant and at least one polymer B which comprises a thixotropic hydrophilic polymer, a process for the preparation of the compositions, and their use as pour point depressants.

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

C08J 3/05; C08J 3/03; C08L 33/06; C08L 39/08; C10L 1/10

IPC 8 full level (invention and additional information)

C08J 3/05 (2006.01); C08J 3/03 (2006.01); C08L 33/08 (2006.01); C08L 33/26 (2006.01); C08L 39/08 (2006.01); C08L 101/00 (2006.01); C10L 1/10 (2006.01); C10L 1/192 (2006.01); C10L 1/196 (2006.01); C10L 1/198 (2006.01); C10L 1/224 (2006.01); C10L 1/234 (2006.01); C10L 10/18 (2006.01); C10M 157/00 (2006.01); C10M 161/00 (2006.01); C10M 173/02 (2006.01); C10L 1/12 (2006.01); C10L 1/18 (2006.01); C10L 1/22 (2006.01); C10L 1/24 (2006.01)

CPC (invention and additional information)

C10M 173/02 (2013.01); C08J 3/03 (2013.01); C08L 33/08 (2013.01); C10L 1/10 (2013.01); C10M 157/00 (2013.01); C10M 161/00 (2013.01); C08L 2201/50 (2013.01); C10L 1/125 (2013.01); C10L 1/1824 (2013.01); C10L 1/1963 (2013.01); C10L 1/198 (2013.01); C10L 1/1985 (2013.01); C10L 1/2222 (2013.01); C10L 1/2362 (2013.01); C10L 1/2364 (2013.01); C10L 1/2366 (2013.01); C10L 1/2368 (2013.01); C10L 1/2437 (2013.01); C10M 2201/02 (2013.01); C10M 2209/084 (2013.01); C10M 2209/12 (2013.01); C10M 2217/024 (2013.01); C10M 2217/028 (2013.01); C10M 2217/06 (2013.01); C10M 2219/04 (2013.01); C10M 2219/042 (2013.01); C10M 2219/044 (2013.01); C10N 2250/02 (2013.01)

Combination set (CPC)

  1. C10M 161/00 + C10M 135/08 + C10M 135/10 + C10M 145/14 + C10M 145/40 + C10M 149/06 + C10M 149/10
  2. C10M 157/00 + C10M 145/14 + C10M 145/40 + C10M 149/06 + C10M 149/10
  3. C10M 173/02 + C10M 135/08 + C10M 135/10 + C10M 145/14 + C10M 145/40 + C10M 149/06 + C10M 149/10
  4. C08L 33/08 + C08L 2666/02

Citation (search report)

See references of WO 9851731A1

Designated contracting state (EPC)

FR GB NL SE

EPO simple patent family

WO 9851731 A1 19981119; AU 3028997 A 19981208; CA 2290345 A1 19981119; EP 0981572 A1 20000301; JP 2001525867 A 20011211

INPADOC legal status


2002-03-13 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20010828

2001-05-30 [17Q] FIRST EXAMINATION REPORT

- Ref Legal Event Code: 17Q

- Effective date: 20010417

2000-03-01 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991130

2000-03-01 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): FR GB NL SE