Global Patent Index - EP 1254100 A1

EP 1254100 A1 2002-11-06 - CALIXARENES AND THEIR USE AS LUBRICANT ADDITIVES

Title (en)

CALIXARENES AND THEIR USE AS LUBRICANT ADDITIVES

Title (de)

CALIXARENE UND IHRE VERWENDUNG ALS SCHMIERSTOFFADDITIVE

Title (fr)

CALIXARENES ET LEUR UTILISATION EN TANT QU'ADDITIFS DE LUBRIFICATION

Publication

EP 1254100 A1 (EN)

Application

EP 00988965 A

Priority

  • GB 0004737 W
  • GB 0002779 A
  • US 18904100 P

Abstract (en)

[origin: WO0156968A1] A cyclic compound comprising m units of formula (Ia) and n units of formula (Ib) joined together to form a ring, wherein Y and Y<2> are divalent bridging groups which may be the same or different in each unit; R<0> is H or (C1-C6) alkyl or is a metal or ammonium cation; R<5> is H or (C1-C60) alkyl or OH group; j is 1 or 2; R<3> is hydrogen, a hydrocarbyl or a hetero-substituted hydrocarbyl group; each of R<1>, R<2> and R<4>, which may be the same or different, is hydroxyl, hydrogen, hydrocarbyl or hetero-substituted hydrocarbyl, with the provisos that i) at least one of R<1>, R<2>, R<4> is hydroxyl, and m + n is 4 to 20, m is 1-8 and n is at least 3, and ii) in formula Ia at least one OH group is in the meta or para position to the COOR<0> group and/or at least one R<5> group is OH.

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

C07C 65/17; C07C 69/94; C10L 1/18; C10M 129/54; C10M 129/76; C10M 145/20; C10M 159/22

IPC 8 full level (invention and additional information)

B01D 17/04 (2006.01); C07C 65/17 (2006.01); C07C 69/94 (2006.01); C10L 1/198 (2006.01); C10L 10/00 (2006.01); C10M 145/20 (2006.01); C10M 159/22 (2006.01)

CPC (invention and additional information)

C10M 159/22 (2013.01); B01D 17/045 (2013.01); B01D 17/047 (2013.01); C07C 65/17 (2013.01); C07C 69/94 (2013.01); C10L 1/1981 (2013.01); C10L 10/04 (2013.01); C10L 10/08 (2013.01); C10M 145/20 (2013.01); C10M 2209/00 (2013.01); C10M 2209/02 (2013.01); C10M 2209/10 (2013.01); C10M 2209/101 (2013.01); C10N 2240/10 (2013.01); C10N 2240/101 (2013.01); C10N 2240/104 (2013.01); C10N 2240/106 (2013.01)

Citation (search report)

See references of WO 0156968A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0156968 A1 20010809; AU 2529601 A 20010814; EP 1254100 A1 20021106

INPADOC legal status


2006-01-25 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20050719

2004-07-14 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20040526

2002-11-06 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020708

2002-11-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2002-11-06 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI