EP0302973A1
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Easily dispersible pigment composition and dispersing method
Assignee: Sanyo Color Works Ltd
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Filing: 1987-08-12
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Granted: —
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Expires: 2007-08-12
Abstract
Abstract The present invention relates to a easily dispersible pigment composition for non-aqueous vehicles, comprising 100 wt. parts of organic pigment or inorganic pigment and 0.5-15 wt. parts of tetracarboxylic acid diimide compound having the following formula [I], and a method for dispersing pigment in non-aqueous vehicle,comprising use of 0.5-15 wt. parts of the compound having the following formula [I] per 100 wt. parts of organic or inorganic pigment. In the formula [I], Q is a naphthalene radical or perylene radical having 4 carbonyl radicals at peri-positions, R¹ and R² are the same or different hydrogen atom or alkyl radical having 1-2 carbon atoms, and n is 2 or 3.
Inventors
- 👤 Toshiyuki Miki
- 👤 Mitsumasa Takeya
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 17:24
CPC Classifications
C; C09; C09B; C09B57/00; C09B57/08; C09B67/00; C09B67/0033
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
70 words
An easily dispersible pigment composition for non-aqueous vehicle, comprising 100 wt. parts of organic pigment or inorganic pigment and 0.5-15 wt. parts of tetracarboxylic acid diimide compound having the general formula [I], wherein Q is a naphthalene radical or perylene radical having 4 carbonyl radicals at peri-positions, R¹ and R² are the same or different hydrogen atom or alkyl radical having 1-2 carbon atoms, and n is 2 or 3.
Claim 2
Dependent Claim
70 words
An easily dispersible pigment composition for non-aqueous vehicle, comprising 100 wt. parts of organic pigment or inorganic pigment and 0.5-15 wt. parts of tetracarboxylic acid diimide compound having the general formula [I], wherein Q is a naphthalene radical or perylene radical having 4 carbonyl radicals at peri-positions, R¹ and R² are the same or different hydrogen atom or alkyl radical having 1-2 carbon atoms, and n is 2 or 3.
Claim 3
Dependent Claim
18 words
The easily dispersible pigment composition as in claim 1, wherein the organic pigment is perylene perinone type pigment.
Claim 4
Dependent Claim
17 words
The easily dispersible pigment composition as in claim 1, wherein the organic pigment is quinacridone type pigment.
Claim 5
Dependent Claim
16 words
The easily dispersible pigment composition as in claim 1, wherein the inorganic pigment is carbon black.
Claim 6
Independent Claim
70 words
A method for dispersing pigment in non-aqueous vehicle, comprising use of 0.5-15 wt. parts of the compound having the general formula [I] per 100 wt. parts of organic pigment or inorganic pigment, wherein Q is a naphthalene radical or perylene radical having 4 carbonyl radicals at peri-positions, R¹ and R² are the same or different hydrogen atom or alkyl radical having 1-2 carbon atoms, and n is 2 or 3.
Claim 7
Independent Claim
70 words
A method for dispersing pigment in non-aqueous vehicle, comprising use of 0.5-15 wt. parts of the compound having the general formula [I] per 100 wt. parts of organic pigment or inorganic pigment, wherein Q is a naphthalene radical or perylene radical having 4 carbonyl radicals at peri-positions, R¹ and R² are the same or different hydrogen atom or alkyl radical having 1-2 carbon atoms, and n is 2 or 3.
Claim 8
Dependent Claim
21 words
The method for dispersing pigment in non-aqueous vehicle as in claim 5, wherein the organic pigment is perylene perinone type pigment.
Claim 9
Dependent Claim
20 words
The method for dispersing pigment in non-aqueous vehicle as in claim 5, wherein the organic pigment is quinacridone type pigment.
Claim 10
Dependent Claim
19 words
The method for dispersing pigment in non-aqueous vehicle as in claim 5, wherein the inorganic pigment is carbon black.
References Cited (Backward Citations)
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