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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 4088507 B1

PDFFull Text
Date of Patent:
May. 09, 1978

Filed:

Apr. 27, 1977

Phthalocyanine pigment compositions

Applicant:
Inventors:

Tuneo Tanaka, Tokyo, JA;

Sengo Ishizuka, Tokyo, JA;

Keniti Tokuda, Tokyo, JA;

Akimitsu Suzuki, Tokyo, JA;

Assignee:

Toyo Ink Manufacturing Co., Ltd., Tokyo, JA;

Attorney:

Jordan; Frank J.

Primary Examiner:

Winston A Douglas

Assistant Examiner:

J V Howard

Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
1062 / ; 1063 / ; 1063 / ;
Abstract

A copper phthalocyanine pigment composition consisting essentially of 100 parts by weight of copper phthalocyanine and 0.5 - 30 parts by weight of a copper phthalocyanine derivative having the following formula ##STR1## WHEREIN Cu--Pc-- is the residue of copper phthalocyanine, m and n are each an integer of 1 - 4, and R.sub.1 and R.sub.2 are each a substituted or non-substituted alkyl group or a heterocyclic group containing the nitrogen atom appearing in the formula.

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Tanaka, Tuneo. (1978). Phthalocyanine pigment compositions (U.S. Patent No. 4088507). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4088507

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