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. 18, 2000
Filed:
Aug. 12, 1997
Toshiyuki Yano, Minami-Ashigara, JP;
Hitoshi Kojima, Minami-Ashigara, JP;
Eisuke Hiraoka, Minami-Ashigara, JP;
Akihiko Chujo, Minami-Ashigara, JP;
Kaoru Watanabe, Minami-Ashigara, JP;
Hiromi Nagai, Minami-Ashigara, JP;
Yasuharu Endo, Minami-Ashigara, JP;
Ken Hashimoto, Minami-Ashigara, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An ink jet recording ink comprising: (i) water, (ii) a water-soluble organic solvent, (iii) at least one dye having at least one carboxyl group in the form of a free acid, (iv) a substituted aromatic compound represented by general formula (I); and (v) at least one alkali metal hydroxide, wherein the pH value of the ink is from 8 to 12, and an ink jet recording method in which such ink droplets are discharged from an orifice according to a recording signal to record an image using this ink jet recording ink are disclosed, general formula (I) being: ##STR1##