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:
Aug. 09, 1988
Filed:
Aug. 12, 1987
Applicant:
Inventors:
Michiei Nakamura, Soka, JP;
Hitoshi Takeuchi, Showa, JP;
Tetsujiro Takahashi, Koshigaya, JP;
Yoshitake Kori, Ageo, JP;
Minoru Takizawa, Koshigaya, JP;
Takamitsu Shinoda, Kashiwa, JP;
Shojiro Horiguchi, Omiya, JP;
Assignee:
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106403 ; 106 23 ; 106404 ; 106432 ; 106413 ; 106447 ; 106453 ; 106460 ; 106465 ; 106471 ; 106491 ; 106493 ; 106496 ; 106497 ; 106498 ; 106503 ;
Abstract
A pigment composition contains a pigment and a dispersant. The dispersant is a phosphoric ester compound represented by the following general formula: ##STR1## wherein at least one of the three Rs is a residuum of a polyester chain containing as principal bonds thereof ester bonds of a polycarboxylic acid and a polyalcohol.