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. 25, 2003
Filed:
Mar. 15, 2002
Narumi Koga, Nagoya, JP;
Kazuma Goto, Nagoya, JP;
Naomichi Kobayashi, Nagoya, JP;
Michiko Aoyama, Nagoya, JP;
Shunichi Higashiyama, Yotsukaichi, JP;
Masaya Fujioka, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A set comprising recording inks, with which the color bleed is reduced even when recording is performed on regular paper, is provided. The ink set for ink-jet recording comprises a black ink and a color ink, wherein each of the black ink and the color ink contains at least water, a coloring agent, and a water-soluble organic solvent, the water-soluble organic solvent contained in the black ink has a solubility parameter which is different by not less than 4 from a solubility parameter of the water-soluble organic solvent contained in the color ink, and the water-soluble organic solvent is contained abundantly in an amount next to an amount of water in each of the inks.