Global Patent Index - EP 1071722 A1

EP 1071722 A1 2001-01-31 - POLY(ALKYLENE ARYLATES) HAVING OPTICAL PROPERTIES

Title (en)

POLY(ALKYLENE ARYLATES) HAVING OPTICAL PROPERTIES

Title (de)

POLY(ALKYLENARYLATE) MIT OPTISCHEN EIGENSCHAFTEN

Title (fr)

ARYLATES DE POLY(ALKYLENE) POSSEDANT DES PROPRIETES OPTIQUES

Publication

EP 1071722 A1 (EN)

Application

EP 99917560 A

Priority

  • US 9908339 W
  • US 6246198 A
  • US 29242699 A

Abstract (en)

[origin: WO9954379A1] Poly(alkylene arylates) having excellent optical properties are disclosed and can be prepared using an organic titanate-ligand catalyst solution containing organic silicates and/or zirconates and, preferably, certain phosphorus compounds.

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

C08G 63/85

IPC 8 full level (invention and additional information)

C08G 63/183 (2006.01); C08G 63/85 (2006.01); C08G 63/181 (2006.01)

CPC (invention and additional information)

C08G 63/85 (2013.01); C08G 63/181 (2013.01); C08G 63/183 (2013.01)

Citation (search report)

See references of WO 9954379A1

Designated contracting state (EPC)

AT CH DE ES FR GB IT LI NL

EPO simple patent family

WO 9954379 A1 19991028; AU 3565299 A 19991108; BR 9908799 A 20010109; CA 2321705 A1 19991028; CN 1313874 A 20010919; EP 1071722 A1 20010131; ID 26085 A 20001123; JP 2002512281 A 20020423; PL 343607 A1 20010827; TR 200002987 T2 20001221

INPADOC legal status


2004-06-16 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20031206

2003-09-10 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20030725

2001-01-31 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001002

2001-01-31 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT CH DE ES FR GB IT LI NL