Title:
【発明の名称】光記録材料及び光記録媒体
Document Type and Number:
Japanese Patent JP3377531
Kind Code:
B2
Abstract:
An optical recording material of the following formula (1) and an optical recording medium excellent in recording sensitivity, light resistance and durability, having a recording layer containing the material, the formula (1), wherein each of X1 to X4 is a hydrogen atom, an alkyl group, an aryl group, an alicyclic residue, an aralkyl group, a heterocyclic ring, an alkoxy group, an aryloxy group or an alkylthio group, each of Y1 to Y4 is a hydrogen atom, a halogen atom, a nitro group, a phthalimidemethyl group or a sulfoneamide group, each of R1 and R2 is a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkylamino group, a dialkylamino group, an arylamino group or a diarylamino group, M is Al, Ga, In, Si, Ge or Sn, Z is an azo compound, an anthraquinone compound or a metal complex compound, n1 to n4 are 1 to 4, m1 to m4 are 0 to 4, k is 1 or 2, and l is 0 or 1, provided that k + l is 1 or 2. a
Inventors:
Hidekazu Kimura
Ogawa but
Nozomi Sakamoto
Ogawa but
Nozomi Sakamoto
Application Number:
JP52116797A
Publication Date:
February 17, 2003
Filing Date:
December 24, 1996
Export Citation:
Assignee:
Toyo Ink Mfg. Co., Ltd.
International Classes:
C09B47/08; G11B7/248; (IPC1-7): B41M5/26; C09B47/24; G11B7/24
Domestic Patent References:
| JP5611959A | ||||
| JP3281386A | ||||
| JP4214388A |
Attorney, Agent or Firm:
Masaaki Kobayashi