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. 19, 1999
Filed:
Nov. 12, 1996
Applicant:
Inventors:
Hideto Yamazaki, Nagoya, JP;
Masaya Fujioka, Nagoya, JP;
Takeo Kitahara, Nagoya, JP;
Masahito Kato, Nagoya, JP;
Shunichi Higashiyama, Yotsukaichi, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 3127 ; 106 3143 ; 106 3157 ;
Abstract
A water-based magenta ink composition comprising an aqueous medium, a magenta dye dissolved therein and a pH adjuster, where, as the magenta dye, Color Index Number Acid Red 52 is used; as the pH adjuster, a basic organic compound is used; and the pH of the water-based magenta composition is adjusted to a value within the range of from 8 to 10.