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.:

US 7740696 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 22, 2010

Filed:

Dec. 28, 2005
Applicants:

Shinjiro Takahashi, Kita-ku, JP;

Yoshiyuki Dejima, Kita-ku, JP;

Yasuo Shirasaki, Saitama, JP;

Inventors:

Shinjiro Takahashi, Kita-ku, JP;

Yoshiyuki Dejima, Kita-ku, JP;

Yasuo Shirasaki, Saitama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01); C09B 33/12 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a water-soluble azo compound for yellow represented by the following formula (1) wherein, A represents a hydroxy group, a morpholino group, an amino group, an aliphatic amine residue which may have a substituent, an aromatic amine residue which may have a substituent, a phenoxy group which may have a substituent, or an alkoxy group which may have a substituent, Rrepresents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, Rrepresents a hydrogen atom, a nitro group or a hydroxy group, and n represents an integer number of 1 to 3, respectively as a free acid, and an ink composition containing the same; said ink composition has good stability and is suitable for inkjet printing; and printed matters therewith have very high fastness such as ozone fastness and the like.


Find Patent Forward Citations

Takahashi, Shinjiro. (2010). Water-soluble azo compound, ink composition, and colored article (U.S. Patent No. 7740696). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7740696

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