Title:
ジケトピロロピロールの調製方法
Document Type and Number:
Japanese Patent JP2005508903
Kind Code:
A
Abstract:
The present invention relates to a process for the direct preparation of pyrrolo[3,4-c]pyrroles (DPPs) of the formula pigment compositions containing them and their use for coloring high molecular weight organic materials, such as plastics and paints. The obtained DPPs of the formula I possess a higher color strength, a higher chroma, a purer shade and a higher opacity versus corresponding commercially available DPPs.
Inventors:
Morton, Colin
Smith, david mcdonalds
Ruffy, Vincent
Smith, david mcdonalds
Ruffy, Vincent
Application Number:
JP2003526923A
Publication Date:
April 07, 2005
Filing Date:
September 03, 2002
Export Citation:
Assignee:
Ciba Specialty Chemicals Holding Inc.
International Classes:
G03G9/08; A61K8/49; C07D487/04; C07D491/04; C07D491/048; C07D495/04; C08K5/315; C08K5/3412; C08K5/3417; C08L101/00; C09B57/00; C09B67/10; C09B67/20; C09B67/22; C09D7/00; C09D11/00; C09D201/00; C09K11/06; C07D; (IPC1-7): C07D487/04; A61K7/00; C07D491/048; C08K5/3412; C08L101/00; C09D7/00; C09D11/00; C09D201/00; G03G9/08
Domestic Patent References:
JPH093448A | 1997-01-07 | |||
JP2003059670A | 2003-02-28 | |||
JP2005512960A | 2005-05-12 |
Foreign References:
US5424157A | 1995-06-13 | |||
US5847156A | 1998-12-08 | |||
DE3713459A1 | 1988-08-18 | |||
US4585878A | 1986-04-29 | |||
EP1087005A1 | 2001-03-28 |
Attorney, Agent or Firm:
Hajime Tsukuni
Fumio Shinoda
Fumio Shinoda