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EP0325172A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Water-insoluble black pigment

Assignee: Nippon Kayaku Co Ltd
•
Filing: 1989-01-13
•
Granted: —
•
Expires: 2009-01-13
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Abstract

Abstract A water-insoluble black pigment produced by reacting C. I. Solubilized Sulphur Black 1 with a salt-forming agent selected from the group consisting of inorganic acid salts of alkylamine, alkoxyalkylamine, alkanolamine, carboxyalkylamine, alkylcarboxamide, allylamine, amide of unsaturated carboxylic acid, cyclic amine, cycloalkylamine, oxacycloalkylamine, morpholine derivative, arylamine, aralkylamine, pyridine derivative, quinoline, phthalimide, DL-α-amino-ε-caprolactam and ε-aminocaprolactam, and ammonium salt of the formula (1): wherein A₁, A₂, A₃ and A₄ each represent an alkyl or phenyl group and X⁻ represents an anionic group. The water-insoluble black pigment is usable as a colorant for printing ink, ink for jet printers, dot printer ribbon, and melt-transfer type printer, a charge-regulator for toner used on electrostatic recording system, a laser marking agent, a colorant for resin, an infrared absorber and the like.

Inventors

  • 👤 Teruhito Sotogoshi
  • 👤 Yukio Ishizaka
  • 👤 Katsunori Nakamura

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 09:59
CPC Classifications
G; G03; G03G; G03G9/00; G03G9/08; G03G9/097; G03G9/09733; G03G9/09775; C; C09; C09B; C09B49/00; C09B69/00; C09B69/02; C09B69/04; G03G9/09; G03G9/0906; G03G9/0922; G03G9/09741

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 79 words
A water-insoluble black pigment produced by reacting C. I. Solubilized Sulphur Black 1 with a salt-forming agent selected from the group consisting of inorganic acid salts of alkylamine, alkoxyalkylamine, alkanolamine, carboxyalkylamine, alkylcarboxamide, allylamine, amide of unsaturated carboxylic acid, cyclic amine, cycloalkylamine, oxacycloalkylamine, morpholine derivative, arylamine, aralkylamine, pyridine derivative, quinoline, phthalimide, DL-α-amino-ε-caprolactam and ε-aminocaprolactam, and ammonium salt of the formula (1): wherein A₁, A₂, A₃ and A₄ each represent an alkyl or phenyl group and X represents an anionic group.
Claim 2
Dependent Claim 79 words
A water-insoluble black pigment produced by reacting C. I. Solubilized Sulphur Black 1 with a salt-forming agent selected from the group consisting of inorganic acid salts of alkylamine, alkoxyalkylamine, alkanolamine, carboxyalkylamine, alkylcarboxamide, allylamine, amide of unsaturated carboxylic acid, cyclic amine, cycloalkylamine, oxacycloalkylamine, morpholine derivative, arylamine, aralkylamine, pyridine derivative, quinoline, phthalimide, DL-α-amino-ε-caprolactam and ε-aminocaprolactam, and ammonium salt of the formula (1): wherein A₁, A₂, A₃ and A₄ each represent an alkyl or phenyl group and X represents an anionic group.
Claim 3
Dependent Claim 20 words
A water-insoluble black pigment according to Claim 1, wherein the salt-forming agent is an inorganic acid salt of an alkoxyalkylamine.
Claim 4
Dependent Claim 17 words
A water-insoluble black pigment according to Claim 2, wherein the alkoxyalkylamine is represented by the formula: C₄H₉CH(C₂H₅)CH₂OC₃H₆MH₂
Claim 5
Dependent Claim 20 words
A water-insoluble black pigment according to Claim 1, wherein the salt-forming agent is an inorganic acid salt of an alkylamine.
Claim 6
Dependent Claim 21 words
A water-insoluble black pigment according to Claim 1, wherein the salt-forming agent is ammonium salt represented by the formula: [(CH₃(CH₂)₁₆CH₂)₂N(CH₃)₂]⁺ Cℓ⁻
Claim 7
Dependent Claim 21 words
A water-insoluble black pigment according to Claim 1, wherein the salt-forming agent is ammonium salt represented by the formula: [CH₃(CH₂)₁₀CH₂N(CH₃)₃]⁺ Cℓ⁻
Claim 8
Dependent Claim 21 words
A water-insoluble black pigment according to Claim 1, wherein a salt-forming agent is ammonium salt represented by the formula: [CH₃(CH₂)₁₆CH₂N(CH₃)₃]⁺ Cℓ⁻

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