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. 26, 2008
Filed:
Apr. 19, 2005
Kazuma Goto, Nagoya, JP;
Narumi Koga, Nagoya, JP;
Hideto Yamazaki, Nagoya, JP;
Masaya Fujioka, Nagoya, JP;
Shunichi Higashiyama, Yotsukaichi, JP;
Kazuma Goto, Nagoya, JP;
Narumi Koga, Nagoya, JP;
Hideto Yamazaki, Nagoya, JP;
Masaya Fujioka, Nagoya, JP;
Shunichi Higashiyama, Yotsukaichi, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A water base ink set for ink-jet recording includes a black ink containing a negatively charged self-dispersing black pigment and a water-soluble polyvalent alcohol alkyl ether; and a yellow ink containing a water-soluble anionic yellow dye in which a number of counter ion or ions per one molecule is not more than 3, a surfactant based on amine represented by the following general formula (1), and a water-soluble polyvalent alcohol alkyl ether;R—N—(CHCHO)H(CHCHO)H  (1)