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Patent Searching and Data


Title:
ピロロ[3,4-c]ピロールの直接製造方法
Document Type and Number:
Japanese Patent JP4640913
Kind Code:
B2
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:
Ruffy, Vincent
Modou, florence
Application Number:
JP2003526922A
Publication Date:
March 02, 2011
Filing Date:
September 03, 2002
Export Citation:
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Assignee:
Ciba Holding Inc.
International Classes:
C07D487/04; G03G9/08; A61K8/49; 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
Domestic Patent References:
JP2001207075A
JP10316876A
JP58210084A
JP2000007677A
JP2001139940A
JP9323992A
JP60035056A
JP2005508903A
Foreign References:
US5738719
WO1996008537A1
Other References:
EDMAN, P. et al.,J. Phys. Chem.,1995年,Vol.99/No.21,p.8504-8509
Attorney, Agent or Firm:
Hajime Tsukuni
Fusayuki Saito
Satoko Ito
Hidemi Kawada