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:
May. 27, 1997

Filed:

Oct. 21, 1994
Applicant:
Inventors:

Hirofusa Shirai, Chiisagata-gun, Nagano, JP;

Mutsumi Kimura, Uedo, JP;

Yuichi Kubota, Chiba, JP;

Assignees:

Other;

TDK Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
540139 ; 540122 ;
Abstract

Novel naphthalocyanine compounds are provided including nitro- and amino-substituted naphthalocyanine compounds, and vinyl-containing naphthalocyanine compounds. The compounds have improved solubility and high purity and are expected to find use as photo-functional materials such as dyes. Polymers are obtained using the vinyl-containing naphthalocyanine compounds- The polymers also have improved solubility, high purity, a high naphthalocyanine content and ease of control of the orientation of naphthalocyanine rings and are expected of use as various functional materials.


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