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:
Feb. 07, 1995
Filed:
Jun. 03, 1993
Applicant:
Inventors:
Assignees:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Yamamoto Chemicals, Incorporated, Yao, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
540138 ;
Abstract
Halogenated alkoxyphthalocyanine having a controlled grade of halogenation can be prepared by reacting a single compound or a mixture of phthalocyanine represented by the formula (1): ##STR1## wherein R.sup.1 is a substituted or unsubstituted alkyl group and may be the same or different, and Met is two hydrogen atoms, a divalent metal atom or a trivalent or tetravalent metal derivative, with 1 to 6 mole ratio of a halogenating agent at 0.degree. to 260.degree. C. in a solvent of from 1 to 1000 times by weight.