Title:
キナクリドン顔料の水性ミリング方法
Document Type and Number:
Japanese Patent JP2007512397
Kind Code:
A
Abstract:
The present invention is directed to a process of reducing the particle size of a crude beta- or gamma-quinacridone pigment in a crystal phase, while maintaining the crystal phase, comprising the steps of: combining a milling composition comprising 2,9-dichloroquinacridone with the crude quinacridone pigment and optionally 4,11-dichloroquinacridone, and milling to reduce the particle size of said pigment.
Inventors:
Ho, insha
Campbell, Colin Dennis
Schilling, Gordian
Carter, ronda
Campbell, Colin Dennis
Schilling, Gordian
Carter, ronda
Application Number:
JP2006540019A
Publication Date:
May 17, 2007
Filing Date:
November 12, 2004
Export Citation:
Assignee:
Ciba Specialty Chemicals Holding Inc.
International Classes:
C09B67/20; C03C17/00; C07D471/00; C07D471/04; C07D491/00; C07D498/00; C07D513/00; C07D515/00; C08J3/00; C08K3/20; C08K5/00; C08K5/34; C08K5/48; C08K9/00; C08L25/00; C09B27/00; C09B48/00; C09B67/50; C09B67/52; C09D7/12; C09D11/00; C09D201/00; C09B
Domestic Patent References:
JP2001164138A | 2001-06-19 | |||
JPH06256677A | 1994-09-13 | |||
JPH0680899A | 1994-03-22 | |||
JPH1088042A | 1998-04-07 | |||
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Foreign References:
WO2002092700A1 | 2002-11-21 |
Attorney, Agent or Firm:
Hajime Tsukuni
Fumio Shinoda
Koshiro Tsukuda
Fumio Shinoda
Koshiro Tsukuda