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:
Sep. 22, 1998
Filed:
Jul. 07, 1997
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 3158 ; 106 3147 ;
Abstract
A water-based recording magenta ink composition comprises a magenta dye dissolved in a mixed solvent of water and a water-soluble organic solvent. The magenta dye comprises Color Index Number Acid Red 52 and the water-soluble organic solvent comprises at least one of 2-pyrrolidinone, .beta.-thiodiglycol and 1,5-pentanediol.