Global Patent Index - EP 1082369 A1

EP 1082369 A1 2001-03-14 - PROCESS TO MAKE LOW-MOLECULAR WEIGHT SMA

Title (en)

PROCESS TO MAKE LOW-MOLECULAR WEIGHT SMA

Title (de)

VERFAHREN ZUR HERSTELLUNG VON SMA MIT NIEDRIGEM MOLEKULAR GEWICHT

Title (fr)

PROCEDE DE PREPARATION DE STYRENE ET D'ANHYDRIDE MALEIQUE (SMA) DE FAIBLE POIDS MOLECULAIRE

Publication

EP 1082369 A1 (EN)

Application

EP 99910211 A

Priority

  • EP 99910211 A
  • EP 9900856 W
  • EP 98200837 A

Abstract (en)

[origin: WO9947575A1] The invention pertains to a process to make low-molecular weight (block) copolymers of one or more vinyl and one or more maleic monomers, by radically polymerizing said monomers in the presence of an initer.

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

C08F 222/00; C08F 2/38; C08F 4/00

IPC 8 full level (invention and additional information)

C08F 2/38 (2006.01); C08F 4/00 (2006.01); C08F 22/00 (2006.01); C08F 222/00 (2006.01)

CPC (invention and additional information)

C08F 22/00 (2013.01); C08F 4/00 (2013.01)

Citation (search report)

See references of WO 9947575A1

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

WO 9947575 A1 19990923; AU 2925899 A 19991011; CA 2324076 A1 19990923; EP 1082369 A1 20010314; JP 2002506895 A 20020305; TW 400337 B 20000801

INPADOC legal status


2004-06-23 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20031224

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

- Effective date: 20000913

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

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB IT