Global Patent Index - EP 1021481 A1

EP 1021481 A1 2000-07-26 - MASTERBATCH COMPOSITION

Title (en)

MASTERBATCH COMPOSITION

Title (de)

MASTERBATCH-ZUSAMMENSETZUNG

Title (fr)

COMPOSITION A BASE DE MELANGE MAITRE

Publication

EP 1021481 A1 (EN)

Application

EP 98948137 A

Priority

  • EP 98948137 A
  • EP 97202794 A
  • US 9818884 W

Abstract (en)

[origin: EP0902045A1] The present invention relates to an improved coloration process for thermoplastic resins using a masterbatch containing pigments. The masterbatch composition is comprising a metallocene catalysed resin as a carrier for the pigment, so as to improve the affinity between the thermo-plastic resin and the pigment to provide a better dispersion.

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

C08J 3/22

IPC 8 full level (invention and additional information)

C08J 3/22 (2006.01); C08L 23/10 (2006.01); C08L 101/00 (2006.01)

CPC (invention and additional information)

C08J 3/226 (2013.01); C08J 2423/00 (2013.01)

Citation (search report)

See references of WO 9912997A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU NL PT SE

EPO simple patent family

EP 0902045 A1 19990317; AU 9477098 A 19990329; BR 9812766 A 20001212; CA 2303066 A1 19990318; CN 1278280 A 20001227; EP 1021481 A1 20000726; JP 2001515939 A 20010925; TR 200000686 T2 20001121; WO 9912997 A1 19990318

INPADOC legal status


2002-10-02 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Date of withdrawal: 20020725

2000-07-26 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000406

2000-07-26 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU NL PT SE