EP0142867A2
Expired / Lapsed
EP
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Coloring composition
Assignee: Orient Chemical Industries Ltd
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Filing: 1984-11-22
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Granted: —
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Expires: 2004-11-22
Abstract
Abstract The present invention provides a coloring composition having an excellent water resistance and solution stability, which comprises a reaction mixture of (a) a vinyl compound soluble in water or in a water soluble organic solvent, with (b) a compound which contains more than two groups having an active hydrogen, at least one group of which is an amino group or imino group, in the presence of a water soluble dye and optionally a solvent.
Inventors
- 👤 Kazutoshi Akiyama
- 👤 Takashi Ono
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-27 14:37
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0072; C09B67/0073; C09B67/0075; C09B67/0076; C09B67/0083; C09D; C09D11/00; Y; Y10; Y10S; Y10S260/00; Y10S260/38
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
61 words
A coloring composition comprising a reaction mixture of: (a) a vinyl compound soluble in water or in a water soluble organic solvent; with (b) a compound which contains more than two groups having an active hydrogen, at least one group of which is an amino group or imino group, in the presence of a water soluble dye and optionally a solvent.
Claim 2
Dependent Claim
61 words
A coloring composition comprising a reaction mixture of: (a) a vinyl compound soluble in water or in a water soluble organic solvent; with (b) a compound which contains more than two groups having an active hydrogen, at least one group of which is an amino group or imino group, in the presence of a water soluble dye and optionally a solvent.
Claim 3
Dependent Claim
33 words
The composition of claim 1 in which the vinyl compound is selected from the group consisting of 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-methoxypolyethylene glycol methacrylate, N-vinylpyrrole, N-vinylpyrrolidone, N-vinylsuccinimide, N-vinylethyleneurea, N-vinyloxazolidone, 1-methyl-2-vinylpiperidine, N-vinylpiperidone and N-vinylcaprolactam.
Claim 4
Dependent Claim
26 words
The composition of claim 1 in which the amount of the vinyl compound in the reaction mixture is of from 10 to 40 percent by weight.
Claim 5
Dependent Claim
32 words
The composition of claim 1 in which the active hydrogen containing compound is selected from the . group consisting of m-aminophenol, m-phenylenediamine, p-phenylenediamine, 2-chloro-mphenylenediamine, m-phenylenediamine-4-sulfonic acid, 5,5-dimethylhydantoine, diphenylguanidine, benzoguanamine, urea and thiourea.
Claim 6
Dependent Claim
28 words
The composition of claim 1 in which the amount of the active hydrogen containing compound in the reaction mixture is of from 2 to 10 percent by weight.
Claim 7
Dependent Claim
23 words
The composition of claim 1 in which the amount of the solvent in the reaction mixture is smaller than 40 percent by weight.
Claim 8
Dependent Claim
26 words
The composition of claim 1 in which the molar ratio of the vinyl compound to the active hydrogen containing compound is 100 : 5 to 30.
References Cited (Backward Citations)
No citation records indexed.
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