The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 2008
Filed:
Jul. 19, 2007
Applicants:
Hidenori Minashima, Tokyo, JP;
Nobuyuki Tomiya, Tokyo, JP;
Taro Murohoshi, Tokyo, JP;
Inventors:
Assignee:
Toyo Ink Mfg. Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 67/04 (2006.01); C09B 67/10 (2006.01); C09B 67/20 (2006.01); C09B 67/22 (2006.01); C09B 67/48 (2006.01); C07D 487/04 (2006.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for producing dichlorodiketopyrrolopyrrole pigment of the α modification, which comprises wet milling crude dichlorodiketopyrrolopyrrole pigment wherein an α modification and a β modification coexist in the presence of a milling agent and a wetting agent, dichlorodiketopyrrolopyrrole pigment of the α modification obtained the process and a color composition which contains the pigment and a pigment carrier.