Title:
フタロシアニン化合物
Document Type and Number:
Japanese Patent JP4472205
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a new phthalocyanine compound having such properties suitable for a coloring matter for a CD-R as high solubility in an organic solvent, recording characteristics permitting a high-speed recording with high sensitivity, and high stability. SOLUTION: The phthalocyanine compound is represented by general formula (1) (wherein R is an optionally substituted alkyl group, or an aryl group optionally having a 1-4C substituent; M is Cu, Ni, Co, Zn, Pd, Cd, VO or TiO; the numbers 1 to 16 around the phthalocyanine skeleton each stands for the position number of a carbon atom; and the oxygen atoms of the substituents R(O=)2 SO- are respectively bonded to four carbon atoms selected from any one of 1 to 4, any one of 5 to 8, any one of 9 to 12, and any one of 13 to 16).
Inventors:
Takao Oishi
Toru Yatsushiro
Masatoshi Taniguchi
Toshiro Naritsuka
Hirohisa Aoi
Toru Yatsushiro
Masatoshi Taniguchi
Toshiro Naritsuka
Hirohisa Aoi
Application Number:
JP2001118841A
Publication Date:
June 02, 2010
Filing Date:
April 17, 2001
Export Citation:
Assignee:
株式会社リコー
山田化学工業株式会社
山田化学工業株式会社
International Classes:
B41M5/26; C09B47/08; C07D487/22; C09B47/24; G11B7/244
Domestic Patent References:
| JP56011959A | ||||
| JP11049773A |
Attorney, Agent or Firm:
Koichi Hirota