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:
Feb. 09, 1999
Filed:
Nov. 04, 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 ...
C07D / ;
U.S. Cl.
CPC ...
106 3158 ; 106 3157 ; 106 3127 ;
Abstract
A water-based magenta ink composition comprises an aqueous medium and a magenta dye dissolved therein, which employs Color Index Number Acid Red 52 as the magenta dye and contains 5 to 15% by weight of a polyhydric alcohol alkyl ether having a vapor pressure of 0.1 mmHg or below at 20.degree. C.