US5928388A
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Dye mixtures
Assignee: Dystar Colours Distribution GmbH
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Filing: 1996-06-26
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Granted: 1999-07-27
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Expires: 2016-06-26
Abstract
Abstract PCT No. PCT/GB96/01532 Sec. 371 Date Apr. 10, 1998 Sec. 102(e) Date Apr. 10, 1998 PCT Filed Jun. 26, 1996 PCT Pub. No. WO97/04031 PCT Pub. Date Feb. 6, 1997A disperse dye mixture which comprises, on a weight basis, from 5% to 70% of the dye of Formula (1), from 5% to 70% of the dye of Formula (2), and from 0% to 40% of the dye of Formula (3), wherein each of R and R1 represents an alkylene group and each of R2 and R3 represents an alkyl group.
Inventors
- 👤 Alan Thomas Leaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:35
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0033; C09B67/0034; C09B57/00; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922; Y10S8/934
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
67 words
A disperse dye mixture which comprises, on a weight basis, from 5% to 70% of the dye of Formula (1): ##STR6## from 5% to 70% of the dye of Formula (2): ##STR7## and from 0% to 40% of the dye of Formula (3): ##STR8## wherein each of R and R 1 represents an alkylene group and each of R 2 and R 3 represents an alkyl group.
Claim 2
Dependent Claim
67 words
A disperse dye mixture which comprises, on a weight basis, from 5% to 70% of the dye of Formula (1): ##STR6## from 5% to 70% of the dye of Formula (2): ##STR7## and from 0% to 40% of the dye of Formula (3): ##STR8## wherein each of R and R 1 represents an alkylene group and each of R 2 and R 3 represents an alkyl group.
Claim 3
Dependent Claim
46 words
The dye mixture according to claim 1 which comprises from 5% to 70% by weight of the dye of Formula (1), from 5% to 70% by weight of the dye of Formula (2) and from 5% to 40% by weight of the dye of Formula (3).
Claim 4
Dependent Claim
46 words
The dye mixture according to claim 2 which comprises from 10% to 30% by weight of the dye of Formula (1), from 40% to 60% by weight of the dye of Formula (2) and from 10% to 35% by weight of the dye of Formula (3).
Claim 5
Dependent Claim
46 words
The dye mixture according to claim 3 which comprises from 16% to 21% by weight of the dye of Formula (1), from 50% to 55% by weight of the dye of Formula (2) and from 26% to 31% by weight of the dye of Formula (3).
Claim 6
Dependent Claim
78 words
The dye mixture according to claim 1 wherein in the dye of Formula (1) R is --CH 2 --, R 1 is --C 2 H 4 -- and R 2 is --C 2 H 5 , in the dye of Formula (2) R is --CH 2 --, R 1 is --C 2 H 4 , R 2 is --C 2 H 5 and R 3 is n-propyl, and in the dye of Formula (3) R 3 is n-propyl.
Claim 7
Dependent Claim
21 words
The dye mixture according to claim 1, wherein said dye of the formula (1) or formula (2) is in crystalline form.
Claim 8
Dependent Claim
26 words
The dye mixture according to claim 1, wherein said dye of the formula (1) and said dye of the formula (2) are each in crystalline form.
Claim 9
Dependent Claim
22 words
The dye mixture according to claim 2, wherein said dye of the formula (1), (2) and (3) are each in crystalline form.
Claim 10
Dependent Claim
32 words
The dye mixture according to claim 1, wherein R and R 1 are each C 1 -C 4 alkylene, and R 2 and R 3 are each C 1 -C 4 alkyl.
Claim 11
Dependent Claim
23 words
A composition comprising from 1% to 30% by weight of a dye mixture as defined in claim 1 dispersed in an aqueous medium.
Claim 12
Dependent Claim
55 words
The composition according to claim 10 containing 1% to 30% by weight of a dye mixture, wherein said dye mixture comprises 5 to 70% by weight of the dye of Formula (1), 5 to 70% by weight of the dye of Formula (2), and 5 to 40% by weight of the dye of Formula (3).
Claim 13
Dependent Claim
16 words
The composition according to claim 10, which is buffered at a pH of 2 to 7.
Claim 14
Dependent Claim
16 words
The composition according to claim 12, which is buffered at a pH of 4 to 6.
Claim 15
Dependent Claim
32 words
A process for colouring a synthetic textile material or fiber blend thereof which comprises applying to the synthetic textile material of fiber blend thereof a dye mixture as defined in claim 1.
Claim 16
Dependent Claim
32 words
The process for coloring a synthetic textile material or a fiber blend thereof comprising applying to the synthetic textile material or fiber blend thereof a dye mixture as defined in claim 2.
Claim 17
Dependent Claim
32 words
The process according to claim 14, wherein said synthetic textile material or fiber blend thereof is selected from the group consisting of secondary cellulose acetate, cellulose triacetate, polyamide, polyacrylonitrile and aromatic polyester.
Claim 18
Dependent Claim
12 words
The process according to claim 16, wherein said polyamide is polyhexamethylene adipamide.
Claim 19
Dependent Claim
13 words
The process according to claim 16, wherein said aromatic polyester is polyethylene terephthalate.
Claim 20
Dependent Claim
29 words
The process according to claim 14, wherein said dye mixture is applied as a dispersion comprising from 0.001% to 4% by weight of the dye mixture in aqueous medium.
References Cited (Backward Citations)
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