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 7838669 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 23, 2010

Filed:

Sep. 29, 2006
Applicants:

Keizou Kimura, Kanagawa, JP;

Katsuyoshi Yamakawa, Kanagawa, JP;

Inventors:

Keizou Kimura, Kanagawa, JP;

Katsuyoshi Yamakawa, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07B 47/00 (2006.01); C07D 487/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A compound of the following formula (I): wherein L, L, Land Lrepresent a divalent group; Q, Q, Qand Qrepresent a non-metallic atomic group necessary for forming a hetero ring; R, R, Rand Rrepresent a substituent; n11, n12, n21, n22, n31, n32, n41 and n42 indicate an integer of from 0 to 6; provided that (n11+n21+n31+n41) is not 0; Mrepresents two hydrogen atoms, two monovalent metal atoms, a divalent metal atom, or a divalent substituted metal atom including a trivalent or tetravalent metal atom.


Find Patent Forward Citations

Kimura, Keizou. (2010). Naphthalocyanine dye and method for producing the same (U.S. Patent No. 7838669). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7838669

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