Patent US3989449A successfully refreshed from Google Patents.
US3989449A
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US
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Dyestuff compositions
Assignee: LB Holliday and Co Ltd
•
Filing: 1973-01-19
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Granted: 1976-11-02
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Expires: 1993-01-19
Abstract
Abstract A dyestuff composition comprising a dyestuff of the general formula (I):
Inventors
- 👤 Leonard Fox Dixon
- 👤 Bryan Ronald Hinchcliffe
- 👤 Cyril Eric Vellins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:19
CPC Classifications
C; C09; C09B; C09B39/00; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/32; C09B1/50; C09B1/51; C09B1/514; C09B23/00; C09B51/00; C09B67/00; C09B67/0033; C09B67/0034; C09B67/0038; D; D06; D06P; D06P1/00; D06P1/16; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/921; Y10S8/922; Y10S8/924; Y10S8/928
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
56 words
A dyestuff composition comprising in combination at least two dyestuffs having the general formula: ##SPC5## in which R and R 1 are each selected from the groups consisting of hydrogen, lower aklyl, lower alkoxy, acyl, acyloxy and halogen radicals, the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuff.
Claim 2
Dependent Claim
56 words
A dyestuff composition comprising in combination at least two dyestuffs having the general formula: ##SPC5## in which R and R 1 are each selected from the groups consisting of hydrogen, lower aklyl, lower alkoxy, acyl, acyloxy and halogen radicals, the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuff.
Claim 3
Dependent Claim
81 words
A dyestuff composition comprising in combination a first dyestuff of the general formula: ##SPC6## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, and at least one additional dyestuff having the general formula: ##SPC7## in which R 2 is selected from the groups defining R and R 1 , the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuffs.
Claim 4
Dependent Claim
81 words
A dyestuff composition comprising in combination a first dyestuff of the general formula: ##SPC6## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, and at least one additional dyestuff having the general formula: ##SPC7## in which R 2 is selected from the groups defining R and R 1 , the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuffs.
Claim 5
Dependent Claim
21 words
A dyestuff composition in accordance with claim 2 in which R, R 1 and R 2 are all lower alkyl groups.
Claim 6
Dependent Claim
15 words
Mixtures according to claim 2 in the range of weight ratios of 80:20 to 20:80.
Claim 7
Dependent Claim
15 words
Mixtures according to claim 4 in the range of weight ratios of 70:30 to 30:70.
Claim 8
Dependent Claim
10 words
Mixtures according to claim 5 of about 50:50 weight ratio.
Claim 9
Dependent Claim
37 words
The dyestuff composition in accordance with claim 1 wherein for the first dyestuff R is a hydrogen atom, R 1 is a lower alkyl group, and for the second dyestuff R and R 1 are both hydrogen.
Claim 10
Dependent Claim
33 words
A dyestuff composition in accordance with claim 1 wherein, in the first dyestuff compound, R and R 1 are lower alkyl radicals and, in the second compound, R and R 1 are hydrogen.
Claim 11
Dependent Claim
40 words
A dyestuff composition in accordance with claim 1 wherein, in the first compound, R is a hydrogen atom, R 1 is a lower alkyl group, and, in the second dyestuff compound, R and R 1 are both lower alkyl groups.
Claim 12
Dependent Claim
5 words
Mixtures of 1,4-di-p-toluidinoanthraquinone and 1,4-dianilinoanthraquinone.
Claim 13
Dependent Claim
5 words
Mixtures of 1,4-di-p-toluidinoanthraquinone and 1,4-dianilinoanthraquinone.
Claim 14
Dependent Claim
5 words
Mixtures of 1,4-di-p-toluidinoanthraquinone and 1-hydroxy-4-p-toluidinoanthraquinone.
Claim 15
Dependent Claim
5 words
Mixtures of 1,4-di-p-toluidinoanthraquinone and 1-hydroxy-4-p-toluidinoanthraquinone.
Claim 16
Dependent Claim
5 words
Mixtures of 1,4-di-anilinoanthraquinone and 1-hydroxy-4-anilinoanthraquinone.
Claim 17
Dependent Claim
5 words
Mixtures of 1,4-di-anilinoanthraquinone and 1-hydroxy-4-anilinoanthraquinone.
Claim 18
Dependent Claim
15 words
Mixtures of about 50/50 of 1-hydroxy-4-anilinoanthraquinone and 1-hydroxy-4-toluidinoanthraquinone with about 50/50 of 1,4-dianilinoanthraquinone and 1,4-di-p-toluidinoanthraquinone.
Claim 19
Dependent Claim
15 words
Mixtures of about 50/50 of 1-hydroxy-4-anilinoanthraquinone and 1-hydroxy-4-toluidinoanthraquinone with about 50/50 of 1,4-dianilinoanthraquinone and 1,4-di-p-toluidinoanthraquinone.
Claim 20
Dependent Claim
6 words
Mixtures of 1,4-dianilinoanthraquinone, 1,4-di-p-toluidinoanthraquinone and 1-anilino-4-p-toluidinoanthraquinone.
Claim 21
Dependent Claim
6 words
Mixtures of 1,4-dianilinoanthraquinone, 1,4-di-p-toluidinoanthraquinone and 1-anilino-4-p-toluidinoanthraquinone.
Claim 22
Dependent Claim
11 words
A mixture according to claim 14 further comprising 1-hydroxy-4-anilino-anthraquinone and 1-hydroxy-4-toluidinoanthraquinone.
Claim 23
Dependent Claim
9 words
A mixture of 1,4-dianilino 1,4-di-p-toluidino, 1-anilino-4-p-toluidino-, 1,5-dianilino- and 1,8-dianilinoanthraquinones.
Claim 24
Dependent Claim
9 words
A mixture of 1,4-dianilino 1,4-di-p-toluidino, 1-anilino-4-p-toluidino-, 1,5-dianilino- and 1,8-dianilinoanthraquinones.
Claim 25
Independent Claim
66 words
A method of dyeing a synthetic fiber, comprising applying thereto a dyestuff composition comprising in combination at least two dyestuffs having the general formula: ##SPC8## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuff.
Claim 26
Independent Claim
66 words
A method of dyeing a synthetic fiber, comprising applying thereto a dyestuff composition comprising in combination at least two dyestuffs having the general formula: ##SPC8## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuff.
Claim 27
Independent Claim
90 words
A method of dyeing a synthetic fiber, comprising applying thereto a dyestuff composition comprising in combination a dyestuff of the general formula: ##SPC9## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, and at least one additional dyestuff having the general formula: ##SPC10## in which R 2 is selected from the group defining R and R 1 , the two dyestuffs interacting to provide an improved combined effect in the dyeing properties of the dyestuffs.
Claim 28
Independent Claim
90 words
A method of dyeing a synthetic fiber, comprising applying thereto a dyestuff composition comprising in combination a dyestuff of the general formula: ##SPC9## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, and at least one additional dyestuff having the general formula: ##SPC10## in which R 2 is selected from the group defining R and R 1 , the two dyestuffs interacting to provide an improved combined effect in the dyeing properties of the dyestuffs.
Claim 29
Dependent Claim
26 words
A method in accordance with claim 17, wherein the synthetic fiber is selected from the group consisting of polyester acetate, polyamide, polypropylene and modified polypropylene fibers.
Claim 30
Dependent Claim
26 words
A method in accordance with claim 18, wherein the synthetic fiber is selected from the group consisting of polyester acetate, polyamide, polypropylene and modified polypropylene fibers.
Claim 31
Dependent Claim
63 words
The dyed synthetic fiber having a dyestuff fixed therein comprising a combination of at least two dyestuffs of the general formula: ##SPC11## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuff.
Claim 32
Dependent Claim
63 words
The dyed synthetic fiber having a dyestuff fixed therein comprising a combination of at least two dyestuffs of the general formula: ##SPC11## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuff.
Claim 33
Dependent Claim
86 words
The dyed synthetic fiber having a dyestuff fixed therein comprising in combination a dyestuff of the general formula: ##SPC12## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, and at least one additional dyestuff having the general formula: ##SPC13## in which R 2 is selected from the group defining R and R 1 , the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuffs.
Claim 34
Dependent Claim
86 words
The dyed synthetic fiber having a dyestuff fixed therein comprising in combination a dyestuff of the general formula: ##SPC12## in which R and R 1 are each selected from the groups consisting of hydrogen, lower alkyl, lower alkoxy, acyl, acyloxy and halogen radicals, and at least one additional dyestuff having the general formula: ##SPC13## in which R 2 is selected from the group defining R and R 1 , the two dyestuffs interacting to provide an improved combined effect on the dyeing properties of the dyestuffs.
Claim 35
Dependent Claim
27 words
The fiber of claim 21, wherein the fiber is formed from a synthetic polymer selected from the group consisting of polyester acetate, polyamide, polypropylene and modified polypropylene.
Claim 36
Dependent Claim
27 words
The fiber of claim 22, wherein the fiber is formed from a synthetic polymer selected from the group consisting of polyester acetate, polyamide, polypropylene and modified polypropylene.
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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) | 1979-11-02 | 1980-05-03 | 1980-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-11-02 | 1984-05-03 | 1984-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-11-02 | 1988-05-03 | 1988-11-02 | $7700.00 | Window Closed / Lapsed |