Global Patent Index - EP 0984992 A1

EP 0984992 A1 2000-03-15 - FILMS MADE FROM LONG CHAIN BRANCHED SYNDIOTACTIC VINYL AROMATIC POLYMERS

Title (en)

FILMS MADE FROM LONG CHAIN BRANCHED SYNDIOTACTIC VINYL AROMATIC POLYMERS

Title (de)

FILME AUS SYNDIOTAKTISCHEN, VINYLAROMATISCHEN POLYMEREN MIT LANGKETTIGEN VERZWEIGUNGEN

Title (fr)

FILMS OBTENUS A PARTIR DE POLYMERES VINYLIQUES AROMATIQUES SYNDIOTACTIQUES RAMIFIES A LONGUE CHAINE

Publication

EP 0984992 A1 (EN)

Application

EP 98909089 A

Priority

  • US 9804676 W
  • US 4807297 P

Abstract (en)

[origin: WO9854236A1] The present invention is directed to films prepared from a composition comprising a long chain branched syndiotactic vinyl aromatic polymer. Long chain branches can be produced during polymerization by polymerizing in the presence of a small amount of a difunctional monomer.

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

C08F 212/08; C08J 5/18

IPC 8 full level (invention and additional information)

C08F 212/02 (2006.01); C08J 5/18 (2006.01); C08L 25/00 (2006.01)

CPC (invention and additional information)

C08J 5/18 (2013.01); C08J 2325/04 (2013.01)

Citation (search report)

See references of WO 9854236A1

Designated contracting state (EPC)

BE DE ES FR GB IT NL

EPO simple patent family

WO 9854236 A1 19981203; AU 6696198 A 19981230; CA 2284799 A1 19981203; CN 1255146 A 20000531; EP 0984992 A1 20000315; JP 2002508792 A 20020319; KR 20010013007 A 20010226

INPADOC legal status


2002-07-24 [18R] REFUSED

- Effective date: 20020301

2001-10-17 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20010904

2000-07-26 [RIN1] INVENTOR (CORRECTION)

- Inventor name: HUANG, YI-BIN

2000-07-26 [RIN1] INVENTOR (CORRECTION)

- Inventor name: CHAHL, MARK, S.

2000-07-26 [RIN1] INVENTOR (CORRECTION)

- Inventor name: WU, SHAOFU

2000-07-26 [RIN1] INVENTOR (CORRECTION)

- Inventor name: VOSSEN, ROEL, H.

2000-07-26 [RIN1] INVENTOR (CORRECTION)

- Inventor name: WESSEL, THOMAS, E.

2000-03-15 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19991230

2000-03-15 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): BE DE ES FR GB IT NL