US4445905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for trichromatic dyeing or printing of polyamide
Assignee: BASF Corp
•
Filing: 1983-04-05
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Granted: 1984-05-01
•
Expires: 2003-04-05
Abstract
Abstract A process for the trichromatic dyeing and printing of natural and synthetic polyamide material with dyestuff mixtures. The process employs a red dye together with a blue mixture of dyes and a yellow or orange dye or mixtures thereof. The process is suitable for dyeing natural or synthetic polyamide material from an aqueous liquid or for printing with printing pastes, especially for dyeing from short liquors.
Inventors
- 👤 Harry Schaetzer
- 👤 Helmut Raisin
- 👤 Dieter Mausezahl
- 👤 Ciba-Geigy Ag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:10
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/06; C; C09; C09B; C09B67/00; C09B67/0033; C09B67/0041; Y; Y10; Y10S; Y10S534/00; Y10S534/01; Y10S8/00; Y10S8/92; Y10S8/924; Y10S8/929
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
227 words
In a process for the trichromatic dyeing and printing of natural and synthetic polyamide material with dyestuff mixtures, the improvement which comprises using a red dye of the formula ##STR23## wherein R 1 is methyl or ethyl and R 2 is cyclohexyl or phenyl, together with a blue mixture of dyes of the formulae ##STR24## in the ratio of 90:10 to 10:90, and with a yellow or orange dye of the formula ##STR25## wherein B 1 is C 1 -C 4 alkyl or C 1 -C 4 alkoxy, each of B 2 and E 1 independently of the other is hydrogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy, and X is straight chain or branched C 1 -C 4 alkyl or straight chain or branched C 2 -C 4 hydroxyalkyl or a mixture of the yellow and orange dyes of the formulae (4) and ##STR26## wherein B 2 , E 1 and X independently of the other are as defined for formula (4), in the ratio of 80:20 to 20:80, or a mixture of the yellow and orange dyes of the formulae (4), (5) and ##STR27## wherein each of Z 1 , Z 2 and Z 3 independently of the other is hydrogen, halogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy, in the ratio of 8:10:10, 10:80:10 to 10:10:80.
Claim 2
Dependent Claim
227 words
In a process for the trichromatic dyeing and printing of natural and synthetic polyamide material with dyestuff mixtures, the improvement which comprises using a red dye of the formula ##STR23## wherein R 1 is methyl or ethyl and R 2 is cyclohexyl or phenyl, together with a blue mixture of dyes of the formulae ##STR24## in the ratio of 90:10 to 10:90, and with a yellow or orange dye of the formula ##STR25## wherein B 1 is C 1 -C 4 alkyl or C 1 -C 4 alkoxy, each of B 2 and E 1 independently of the other is hydrogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy, and X is straight chain or branched C 1 -C 4 alkyl or straight chain or branched C 2 -C 4 hydroxyalkyl or a mixture of the yellow and orange dyes of the formulae (4) and ##STR26## wherein B 2 , E 1 and X independently of the other are as defined for formula (4), in the ratio of 80:20 to 20:80, or a mixture of the yellow and orange dyes of the formulae (4), (5) and ##STR27## wherein each of Z 1 , Z 2 and Z 3 independently of the other is hydrogen, halogen, C 1 -C 4 alkyl or C 1 -C 4 alkoxy, in the ratio of 8:10:10, 10:80:10 to 10:10:80.
Claim 3
Dependent Claim
35 words
A process according to claim 1, which comprises using a dye of the formula (1) together with a mixture of the dyes of the formulae (2) and (3) and a dye of the formula (4).
Claim 4
Dependent Claim
38 words
A process according to claim 1, which comprises using a dye of the formula (1) together with a mixture of dyes of the formulae (2) and (3) and a mixture of dyes of the formulae (4) and (5).
Claim 5
Dependent Claim
39 words
A process according to claim 1, which comprises using a dye of the formula (1) together with a mixture of dyes of the formulae (2) and (3) and a mixture of dyes of the formulae (4), (5) and (6).
Claim 6
Dependent Claim
22 words
A process according to claim 1, which comprises using as dye of the formula (1) the red dye of the formula ##STR28##
Claim 7
Dependent Claim
22 words
A process according to claim 1, which comprises using as dye of the formula (1) the red dye of the formula ##STR29##
Claim 8
Dependent Claim
39 words
A process according to claim 1, which comprises using as blue dyes of the formulae (2) and (3) the two dyes of the formulae ##STR30## in the ratio of 80:20 to 20:80 and, in particular, of 60:40 to 40:60.
Claim 9
Dependent Claim
156 words
A process according to claim 1, which comprises using as yellow or orange dye of the formula (4) a dye of the formula ##STR31## wherein F 1 is hydrogen or methyl and X 1 is methyl, ethyl, β-hydroxyethyl, β-hydroxypropyl, β-hydroxybutyl or α-ethyl-β-hydroxyethyl, or as mixture of the yellow or orange dyes of the formulae (4) and (5) a mixture of the dyes of the formulae (10) and ##STR32## wherein F 2 is hydrogen or methyl and X 2 is methyl, ethyl, β-hydroxyethyl, β-hydroxypropyl, β-hydroxybutyl or α-ethyl-β-hydroxyethyl, in the ratio of 60:40 to 40:60 and, in particular, of 50:50, or as mixture of the yellow or orange dyes of the formulae (4), (5) and (6) a mixture of the dyes of the formulae (10), (11) and ##STR33## wherein each of Z 4 and Z 5 independently of the other is hydrogen, methyl or chlorine, in the ratio of 60:20:20, 20:60:20 to 20:20:60 and, in particular, of 1:1:1.
Claim 10
Dependent Claim
118 words
A process according to claim 1, which comprises using the red dye of the formula ##STR34## together with the blue mixture of dyes of the formulae ##STR35## in the ratio of dyes of the formulae (9) and (3) of 80:20 to 20:80 and, in particular, of 60:40 to 40:60, and with the orange dye of the formula ##STR36## or with the yellow mixture of dyes of the formulae (13) and ##STR37## in the ratio of dyes of the formulae (13) and (14) of 60:40 to 40:60, in particular of 50:50, or with the yellow mixture of dyes of the formulae (13), (14) and ##STR38## in the ratio of dyes of the formulae (13), (14) and (15) of 1:1:1.
Claim 11
Dependent Claim
119 words
A process according to claim 1, which process comprises using the red dye of the formula ##STR39## together with the blue mixture of dyes of the formulae ##STR40## in the ratio of dyes of the formulae (9) and (3) of 80:20 to 20:80, and, in particular, of 60:40 to 40:60, and with the orange dye of the formula ##STR41## or with the yellow mixture of dyes of the formulae (13) and ##STR42## in the ratio of dyes of the formulae (13) and (14) of 60:40 to 40:60, in particular of 50:50, or with the yellow mixture of dyes of the formulae (13), (14) and ##STR43## in the ratio of dyes of the formulae (13), (14) and (15) of 1:1:1.
Claim 12
Dependent Claim
49 words
A process according to claim 1 for the trichromatic dyeing or printing of material made from natural and synthetic polyamide, which process comprises treating said material with a dye liquor or printing paste which contains the dyestuff mixture according to claim 1, together with water and optionally further ingredients.
Claim 13
Dependent Claim
20 words
An aqueous dye liquor or printing paste which contains the dyestuff mixture according to claim 1 and optionally further ingredients.
Claim 14
Dependent Claim
13 words
A polyamide material dyed or printed by the process according to claim 11.
Claim 15
Dependent Claim
24 words
A polyamide material dyed or printed by a trichromatic dyeing or printing process using the dye liquor or printing paste according to claim 12.
Claim 16
Dependent Claim
8 words
A polyamide carpet material according to claim 13.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-01 | 1987-10-31 | 1988-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-01 | 1991-10-31 | 1992-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-01 | 1995-10-31 | 1996-05-01 | $7700.00 | Window Closed / Lapsed |