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.

Date of Patent:
Dec. 04, 2007

Filed:

Jul. 01, 2003
Applicants:

Toshiki Taguchi, Fujinomiya, JP;

Takashi Ozawa, Fujinomiya, JP;

Toshiaki Aono, Fujinomiya, JP;

Yoshiharu Yabuki, Minami-Ashigara, JP;

Tomohiro Chino, Minami-Ashigara, JP;

Inventors:

Toshiki Taguchi, Fujinomiya, JP;

Takashi Ozawa, Fujinomiya, JP;

Toshiaki Aono, Fujinomiya, JP;

Yoshiharu Yabuki, Minami-Ashigara, JP;

Tomohiro Chino, Minami-Ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A black ink for inkjet recording having an aqueous medium containing a dye in which λmax of the absorption spectrum in an aqueous solution is in the region from 500 and 700 nm and the half-value width in the absorption spectrum of a dilute solution standardized to an absorbance of 1.0 is 100 nm or more. An object of the present invention is to provide an inkjet recording ink ensuring excellent discharge stability even after aging of the ink and also exhibiting excellent weather resistance.


Find Patent Forward Citations

Loading…