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:
Jan. 27, 1998
Filed:
Nov. 12, 1996
Applicant:
Inventors:
Shigeyasu Inoue, Kashiwara, JP;
Toshimitsu Kawasumi, Toyonaka, JP;
Assignee:
Sakura Color Products Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
523161 ; 524 55 ; 524 56 ; 524878 ; 260D / ; 401210 ;
Abstract
An aqueous ball point ink composition comprising a key aqueous ball point ink composition comprising coloring materials consisting of (pigment and pigment dispersant) and/or precolored emulsion resin, water-soluble organic solvent, pseudoplastic imparting agent and water and cross-linked polyacrylate salt in a proportion of about 0.05-0.5% by weight based on the amount of said key aqueous ball point ink composition.