Global patent index - EP 0980394 A1

EP 0980394 A1 2000-02-23 - PROCESS FOR BROMINATING POLYSTYRENIC RESINS

Title (en)

PROCESS FOR BROMINATING POLYSTYRENIC RESINS

Title (de)

VERFAHREN ZUR BROMIERUNG VON POLYSTYROLHARZEN

Title (fr)

PROCEDE DE BROMATION DES RESINES DE POLYSTYRENE

Publication

EP 0980394 A1 (EN)

Application

EP 98914612 A

Priority

  • US 9806996 W
  • US 85246297 A

Abstract (en)

[origin: WO9850439A1] This invention relates to a thermally stable brominated polystyrene having less than 100 ppm total Cl<->, above 68 wt.% bromine and less than 6,000 ppm hydrolyzable halide. The brominated polystyrene exhibits little or no polymer cross-linking or chain cleavage relative to the starting polystyrene.

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

C08F 8/20

IPC 8 full level (invention and additional information)

C08F 8/20 (2006.01)

CPC (invention and additional information)

C08F 8/20 (2013.01)

Combination set (CPC)

C08F 8/20 + C08F 12/08

Citation (search report)

See references of WO 9850439A1

Designated contracting state (EPC)

BE DE FR GB IT NL

EPO simple patent family

WO 9850439 A1 19981112; CA 2286703 A1 19981112; CA 2286703 C 20100622; DE 69832912 D1 20060126; DE 69832912 T2 20060921; DE 69832913 D1 20060126; DE 69832913 T2 20060914; EP 0980394 A1 20000223; EP 1293517 A2 20030319; EP 1293517 A3 20031126; EP 1293517 B1 20051221; EP 1293518 A2 20030319; EP 1293518 A3 20031126; EP 1293518 B1 20141224; EP 1293519 A2 20030319; EP 1293519 A3 20031119; EP 1293519 B1 20051221; EP 2189479 A1 20100526; EP 2189479 B1 20141224; EP 2189480 A1 20100526; EP 2189480 B1 20141203; JP 2001523297 A 20011120; JP 3882203 B2 20070214

INPADOC legal status

2003-09-03 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20021231

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

- Ref Legal Event Code: 17Q

- Effective date: 20010502

2000-02-23 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 19991129

2000-02-23 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

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