Global Patent Index - EP 0981556 A1

EP 0981556 A1 20000301 - ETHYLENE/ALPHA-OLEFIN/DIENE INTERPOLYMERS AND THEIR PREPARATION

Title (en)

ETHYLENE/ALPHA-OLEFIN/DIENE INTERPOLYMERS AND THEIR PREPARATION

Title (de)

ETHYLEN-ALPHA-OLEFIN-DIEN-COPOLYMERE UND IHRE HERSTELLUNG

Title (fr)

INTERPOLYMERES D'ETYLENE/ALPHA-OLEFINE/DIENE ET LEUR PREPARATION

Publication

EP 0981556 A1 20000301 (EN)

Application

EP 97922557 A 19970430

Priority

US 9707252 W 19970430

Abstract (en)

[origin: WO9849212A1] Random ethylene/alpha-olefin/diene monomer interpolymers with an alpha-olefin distribution that is more clustered than Bernoullian are prepared using Group 4 metal constrained geometry complex catalyst and an activating cocatalyst. The catalyst includes a fused ring indenyl derivative ligand.

IPC 1-7

C08F 210/18; C08F 4/645

IPC 8 full level

C08F 4/645 (2006.01); C08F 210/18 (2006.01); C08F 4/659 (2006.01)

CPC (source: EP KR)

C08F 4/65908 (2013.01 - KR); C08F 4/65912 (2013.01 - KR); C08F 4/6592 (2013.01 - KR); C08F 10/00 (2013.01 - EP); C08F 210/18 (2013.01 - EP KR); C08F 4/65908 (2013.01 - EP)

Citation (search report)

See references of WO 9849212A1

Designated contracting state (EPC)

AT BE DE DK ES FR GB IT NL

DOCDB simple family (publication)

WO 9849212 A1 19981105; AU 2819697 A 19981124; CA 2287963 A1 19981105; EP 0981556 A1 20000301; JP 2001522398 A 20011113; KR 100488833 B1 20050511; KR 20010020395 A 20010315

DOCDB simple family (application)

US 9707252 W 19970430; AU 2819697 A 19970430; CA 2287963 A 19970430; EP 97922557 A 19970430; JP 54692098 A 19970430; KR 19997010017 A 19991029