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. 06, 1987
Filed:
Jan. 23, 1986
Applicant:
Inventors:
Michiei Nakamura, Soka, JP;
Hitoshi Takeuchi, Saitama, JP;
Tetujiro Takahashi, Koshigaya, JP;
Minoru Takizawa, Koshigaya, JP;
Shojiro Horiguchi, Omiya, JP;
Assignee:
Dainichiseika Color & Chemicals MFG. Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
1062 / ; 1063 / ;
Abstract
There is provided a new pigment composition composed of a pigment and a dispersant wherein the dispersant is a phosphoric ester compound represented by the formula below. ##STR1## (where one or more than one of the three R's are hydroxyl-terminated polyester residues obtained by self-polycondensation of a hydroxy-carboxylic acid; and one or two of the three R's, in case of being remained, are hydrogen atoms, cations, or residues of an alcohol excluding the above-mentioned polyesters.)