Global Patent Index - EP 2027165 A1

EP 2027165 A1 2009-02-25 - METHOD FOR PRODUCING ETHYLENE COPOLYMERS

Title (en)

METHOD FOR PRODUCING ETHYLENE COPOLYMERS

Title (de)

VERFAHREN ZUR HERSTELLUNG VON ETHYLENCOPOLYMEREN

Title (fr)

PROCÉDÉ POUR PRODUIRE DES COPOLYMÈRES D'ÉTHYLÈNE

Publication

EP 2027165 A1 (DE)

Application

EP 07729168 A

Priority

  • EP 2007054720 W
  • EP 06114405 A
  • EP 07729168 A

Abstract (en)

[origin: WO2007135031A1] The invention relates to a method for the continuous production of ethylene copolymers by radical copolymerization of ethylene and at least one comonomer (b), selected from the group including ethylenically unsaturated carboxylic acids, esters of ethylenically unsaturated carboxylic acids, ethylenically unsaturated phosphonic acids and esters of ethylenically unsaturated phosphonic acids. The method according to the invention is characterized by metering, separately from ethylene and the one or more comonomers (b), one or more inhibitors to the reaction mixture.

IPC 8 full level (invention and additional information)

C08F 210/02 (2006.01); C08F 2/00 (2006.01); C08F 2/40 (2006.01)

CPC (invention and additional information)

C08F 210/02 (2013.01)

Combination set (CPC)

  1. C08F 210/02 + C08F 2/40
  2. C08F 210/02 + C08F 2/00
  3. C08F 210/02 + C08F 220/06 + C08F 2500/12

Citation (search report)

See references of WO 2007135031A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

WO 2007135031 A1 20071129; CN 101454359 A 20090610; EP 2027165 A1 20090225; KR 20090019811 A 20090225; US 2011184129 A1 20110728

INPADOC legal status


2010-08-25 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20100303

2009-11-25 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20091023

2009-02-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20081223

2009-02-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-02-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS