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.:
Date of Patent:
Dec. 12, 1995
Filed:
Nov. 30, 1994
Applicant:
Inventor:
Yoshiyuki Nonaka, Tokyo, JP;
Assignee:
Toyo Ink Manufacturing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
540138 ;
Abstract
A process for the production of a halogenated phthalocyanine, in which a solvent can be easily recovered and the halogenated phthalocyanine has reduced residual metal amount, the process comprising forming a complex of aluminum chloride and phthalocyanine in sulfonyl chloride and then halogenating the phthalocyanine.