Patent US3958287A successfully refreshed from Google Patents.
US3958287A
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Dischargeable black dyeing on acid modified polyester fiber
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1975-05-27
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Granted: 1976-05-25
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Expires: 1995-05-27
Abstract
Abstract A process to dye acid modified polyester fibers, such as Dacron T-64 fibers, a dischargeable black by dyeing the fibers with a mixture of six different basic dyes.
Inventors
- 👤 Tetsuo Okaniwa
- 👤 Sadaharu Abeta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:49
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/522; C; C09; C09B; C09B44/00; C09B44/10; C09B62/00; C09B62/02; C09B62/28; C09B62/32; C09B62/325; D06P5/00; D06P5/15; D06P5/155; Y; Y10; Y10S; Y10S534/00; Y10S534/01; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
486 words
A process for dyeing acid modified polyester fibers a black comprising contacting said polyester fibers with a dye bath containing a combination of dyes comprising: 1. at least one dye of the formula (A): ##SPC15## wherein R 1 is a C 1 -C 3 alkyl group which may be unsubstituted or substituted with a hydroxy group of a C 1 -C 4 alkoxy group; R 2 is a hydrogen atom or a C 1 -C 3 alkyl group; R 3 and R 4 , which may be the same or different, each is a cyclohexyl group, a C 1 -C 3 alkyl group which may be unsubstituted or substituted with a hydroxy group or a C 1 -C 4 alkoxy group, a phenyl group or a C 7 -C 8 aralkyl group, which phenyl or aralkyl group may be unsubstituted or substituted with a halogen atom; and X - is an anion; and 2. at least one dye of the formula (B): ##SPC16## wherein R 5 is a hydrogen atom, a C 1 -C 12 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group, and which alkyl group or the alkyl moiety of the aralkyl group may contain a --SO 2 NH--, --CONH-- or --CO-- group in the chain thereof; R 6 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group; and X - is an anion; and of the formula (C): ##SPC17## wherein R 7 and R 8 , which may be the same or different, each is a hydrogen atom, a halogen atom, a C 1 -C 3 alkyl group or a cyano group; R 9 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group; R 10 is a C 1 -C 3 alkylene group; R 11 is a C 1 -C 3 alkyl group; and X - is an anion; and of the formula (D): ##SPC18## wherein R 12 is a C 1 -C 3 alkyl group; R 13 is a C 1 -C 3 alkylene group; R 14 , R 15 , R 16 and R 17 , which may be the same or different, each is a hydrogen atom, a halogen atom or a cyano group; R 18 and R 19 , which may be the same or different, each is a hydrogen atom, a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a cyano group or a hydroxy group; and X - is an anion.
Claim 2
Dependent Claim
486 words
A process for dyeing acid modified polyester fibers a black comprising contacting said polyester fibers with a dye bath containing a combination of dyes comprising: 1. at least one dye of the formula (A): ##SPC15## wherein R 1 is a C 1 -C 3 alkyl group which may be unsubstituted or substituted with a hydroxy group of a C 1 -C 4 alkoxy group; R 2 is a hydrogen atom or a C 1 -C 3 alkyl group; R 3 and R 4 , which may be the same or different, each is a cyclohexyl group, a C 1 -C 3 alkyl group which may be unsubstituted or substituted with a hydroxy group or a C 1 -C 4 alkoxy group, a phenyl group or a C 7 -C 8 aralkyl group, which phenyl or aralkyl group may be unsubstituted or substituted with a halogen atom; and X - is an anion; and 2. at least one dye of the formula (B): ##SPC16## wherein R 5 is a hydrogen atom, a C 1 -C 12 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group, and which alkyl group or the alkyl moiety of the aralkyl group may contain a --SO 2 NH--, --CONH-- or --CO-- group in the chain thereof; R 6 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group; and X - is an anion; and of the formula (C): ##SPC17## wherein R 7 and R 8 , which may be the same or different, each is a hydrogen atom, a halogen atom, a C 1 -C 3 alkyl group or a cyano group; R 9 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group; R 10 is a C 1 -C 3 alkylene group; R 11 is a C 1 -C 3 alkyl group; and X - is an anion; and of the formula (D): ##SPC18## wherein R 12 is a C 1 -C 3 alkyl group; R 13 is a C 1 -C 3 alkylene group; R 14 , R 15 , R 16 and R 17 , which may be the same or different, each is a hydrogen atom, a halogen atom or a cyano group; R 18 and R 19 , which may be the same or different, each is a hydrogen atom, a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a cyano group or a hydroxy group; and X - is an anion.
Claim 3
Dependent Claim
214 words
The process according to claim 1, wherein the combination further includes at least one dye of the formula (E); ##SPC19## wherein R 20 and R 21 , which may be the same or different, each is a C 1 -C 2 alkyl group; R 22 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom or a hydroxy group; X - is an anion, and of the formula (F): ##SPC20## wherein R 23 , R 24 and R 25 , which may be the same or different, each is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group; R 26 and R 27 , which may be the same or different, each is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group, or a cyclohexyl group; and X - is an anion.
Claim 4
Dependent Claim
44 words
The process according to claim 1, wherein the dye of the formula (A) is: ##SPC21## wherein the dye of the formula (B) is: ##SPC22## wherein the dye of the formula (C) is: ##SPC23## ##SPC24## and, wherein the dye of the formula (D) is: ##SPC25##
Claim 5
Dependent Claim
26 words
The process according to claim 2, wherein the dye of the formula (E) is: ##SPC26## and, wherein the dye of the formula (F) is: ##SPC27## ##SPC28##
Claim 6
Dependent Claim
468 words
A black dye comprising a combination of, 1. at least one dye of the formula (A): ##SPC29## wherein R 1 is a C 1 -C 3 alkyl group which may be unsubstituted or substituted with a hydroxy group or a C 1 -C 4 alkoxy group; R 2 is a hydrogen atom or a C 1 -C 3 alkyl group; R 3 and R 4 , which may be the same or different, each is a cyclohexyl group, a C 1 -C 3 alkyl group which may be unsubstituted or substituted with a hydroxy group or a C 1 -C 4 alkoxy group, a phenyl group or a C 7 -C 8 aralkyl group, which phenyl or aralkyl groyp may be unsubstituted or substituted with a halogen atom; and X - is an anion; and 2. at least one dye of the formula (B): ##SPC30## wherein R 5 is a hydrogen atom, a C 1 -C 12 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group, and which alkyl group or the alkyl moiety of the aralky group may contain a --SO 2 NH--, --CONH-- or --CO-- group in the chain thereof; R 6 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group; and X - is an anion; and of the formula (C): ##SPC31## wherein R 7 and R 8 , which may be the same or different, each is a hydrogen atom, a halogen atom, a C 1 -C 3 alkyl group or a cyano group; R 9 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group; R 10 is a C 1 -C 3 alkylene group; R 11 is a C 1 -C 3 alkyl group; and X - is an anion; and of the formula (D); ##SPC32## wherein R 12 is a C 1 -C 3 alkyl group; R 13 is a C 1 -C 3 alkylene group; R 14 , R 15 , R 16 and R 17 , which may be the same or different, each is a hydrogen atom, a halogen atom or a cyano group; R 18 and R 19 , which may be the same or different, each is a hydrogen atom, a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a cyano group or a hydroxy group; and X - is an anion.
Claim 7
Dependent Claim
468 words
A black dye comprising a combination of, 1. at least one dye of the formula (A): ##SPC29## wherein R 1 is a C 1 -C 3 alkyl group which may be unsubstituted or substituted with a hydroxy group or a C 1 -C 4 alkoxy group; R 2 is a hydrogen atom or a C 1 -C 3 alkyl group; R 3 and R 4 , which may be the same or different, each is a cyclohexyl group, a C 1 -C 3 alkyl group which may be unsubstituted or substituted with a hydroxy group or a C 1 -C 4 alkoxy group, a phenyl group or a C 7 -C 8 aralkyl group, which phenyl or aralkyl groyp may be unsubstituted or substituted with a halogen atom; and X - is an anion; and 2. at least one dye of the formula (B): ##SPC30## wherein R 5 is a hydrogen atom, a C 1 -C 12 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group, and which alkyl group or the alkyl moiety of the aralky group may contain a --SO 2 NH--, --CONH-- or --CO-- group in the chain thereof; R 6 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group; and X - is an anion; and of the formula (C): ##SPC31## wherein R 7 and R 8 , which may be the same or different, each is a hydrogen atom, a halogen atom, a C 1 -C 3 alkyl group or a cyano group; R 9 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group; R 10 is a C 1 -C 3 alkylene group; R 11 is a C 1 -C 3 alkyl group; and X - is an anion; and of the formula (D); ##SPC32## wherein R 12 is a C 1 -C 3 alkyl group; R 13 is a C 1 -C 3 alkylene group; R 14 , R 15 , R 16 and R 17 , which may be the same or different, each is a hydrogen atom, a halogen atom or a cyano group; R 18 and R 19 , which may be the same or different, each is a hydrogen atom, a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a cyano group or a hydroxy group; and X - is an anion.
Claim 8
Dependent Claim
207 words
The black dye according to claim 5, wherein the combination further contains: ##SPC33## wherein R 20 and R 21 , which may be the same or different, each is a C 1 -C 2 alkyl group; R 22 is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom or a hydroxy group; X - is an anion; and of the formula (F): ##SPC34## wherein R 23 , R 24 and R 25 , which may be the same or different, each is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -C 4 alkoxy group; R 26 and R 27 , which may be the same or different, each is a C 1 -C 3 alkyl group or a C 7 -C 8 aralkyl group, which alkyl or aralkyl group may be unsubstituted or substituted with a halogen atom, a hydroxy group or a C 1 -c 4 alkoxy group, or a cyclohexyl group; and X - is an anion.
Claim 9
Dependent Claim
19 words
An acid modified polyester fiber comprising the acid modified polyester fiber dyed according to the process of claim 1.
Claim 10
Dependent Claim
31 words
A process for white or color-discharging dyed acid modifed polyester fibers comprising subjecting the acid modified polyester fibers according to the process of claim 1 to a white or color-discharge treatment.
Claim 11
Dependent Claim
23 words
An acid modified polyester fiber white or colordischarged comprising the white or color-discharged polyester fiber produced according to the process of claim 8.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-25 | 1979-11-24 | 1980-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-25 | 1983-11-24 | 1984-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-25 | 1987-11-24 | 1988-05-25 | $7700.00 | Window Closed / Lapsed |