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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 5883232 B1

PDFFull Text
Date of Patent:
Mar. 16, 1999

Filed:

Jul. 14, 1998

Hydrophobic cationic dyes and thermal transfer ink ribbons using the same

Applicant:
Inventors:

Masanobu Hida, Miyagi, JP;

Kengo Ito, Miyagi, JP;

Yoshio Fujiwara, Tochigi, JP;

Nobuo Suzuki, Tokyo, JP;

Hiroyoshi Yamaga, Tokyo, JP;

Junichi Hagiwara, Tokyo, JP;

Assignees:

Sony Corporation, Tokyo, JP;

Hodog aya Chemical Co., Ltd., Kanajawa, JP;

Attorney:

Hill & Simpson

Primary Examiner:

Floyd D Higel

Int. Cl.
CPC ...
C04B / ; B41M / ; G03C / ; G03C / ;
U.S. Cl.
CPC ...
534607 ; 106 145 ; 106 315 ; 427144 ; 427148 ; 427151 ; 430338 ; 430340 ; 430343 ; 430519 ;
Abstract

Disclosed are diazahemicyanine hydrophobic cationic dyes represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are lower alkyl groups having not more than 5 carbon atoms, R.sup.5 is a lower alkyl group having not more than 5 carbon atoms or a lower alkoxy lower alkyl group having not more than 6 carbon atoms, and Z.sup.- is a counter ion having a hydrophobic organic group, and a thermal transfer ink ribbon having a substrate and and ink layer laminated thereon containing said cationic dye.

Find Patent Forward Citations

Hida, Masanobu. (1999). Hydrophobic cationic dyes and thermal transfer ink ribbons using the same (U.S. Patent No. 5883232). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5883232

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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