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. 01, 1994
Filed:
Aug. 16, 1991
Junichi Tsuchida, Tokyo, JP;
Masami Shirao, Tokyo, JP;
Michichika Hikosaka, Tokyo, JP;
Yoshiyuki Nonaka, Tokyo, JP;
Toyo Ink Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A process for producing a pigment composition containing a highly halogenated copper phthalocyanine, produced by halogenation of copper phthalocyanine in the presence of chlorosulfonic acid, titanium tetrachloride or a mixture of titanium tetrachloride with aluminum chloride, a highly halogenated copper phthalocyanine produced by halogenation of a copper phthalocyanine in a solid powder state, or a highly halogenated copper phthalocyanine produced by cyclization. The composition further contains at least one highly halogenated different-metalo-phthalocyanine selected from highly halogenated metalo-phthalocyanines each of which has Al, Mg, Si, Ti, V, Mn, Fe, Co, Ni, Zn, Ge or Sn as a central metal.