US4078887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentrated stable solutions of coupling components for the ice color dyeing, their preparation and use
Assignee: Hoechst AG
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Filing: 1976-11-22
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Granted: 1978-03-14
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Expires: 1996-11-22
Abstract
Abstract Highly concentrated solutions of coupling components of the ice-color dyeing technique had been found which possess a very good stability to storage and can readily be used for the preparation of diluted aqueous bottoming baths of the ice-color technique; these novel solutions contain the coupling component, water, sodium-or potassium hydroxide, and are characterized by the imperative content of diethylene-glycol or a content of a mixture of diethylene-glycol and ethylene-glycol or propylene-glycol or both.
Inventors
- 👤 Rudolf Kostka
- 👤 Hasso Hertel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:19
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0079; D; D06; D06P; D06P1/00; D06P1/02; D06P1/12
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
50 words
A concentrated stable solution of a coupling component for ice color dyeing comprising one or several arylamides selected from the group consisting essentially of arylamides of an aromatic or heterocyclic o-hydroxycarboxylic acid and of arylamides of an acylacetic acid, water, sodium hydroxide or potassium hydroxide or both, and diethylene glycol.
Claim 2
Dependent Claim
50 words
A concentrated stable solution of a coupling component for ice color dyeing comprising one or several arylamides selected from the group consisting essentially of arylamides of an aromatic or heterocyclic o-hydroxycarboxylic acid and of arylamides of an acylacetic acid, water, sodium hydroxide or potassium hydroxide or both, and diethylene glycol.
Claim 3
Dependent Claim
15 words
A solution according to claim 1 containing additionally ethylene- or propylene-glycol or a mixture thereof.
Claim 4
Dependent Claim
81 words
A solution according to claim 1, containing or consisting essentially of about 30 to 50% by weight of a coupling component of about 2.5 to 10% by weight of sodium- or potassium hydroxide or a mixture thereof, of about 5 to 30% by weight of water and of about 25 to 60% by weight of diethylene-glycol or of a mixture of about 7 to 45% by weight of diethylene-glycol and 10 to 30% by weight of ethylene- or propylene-gylcol or both.
Claim 5
Dependent Claim
40 words
A solution according to claim 3, wherein the coupling component is a compound of the formula ##STR5## in which R is a phenyl unsubstituted or substituted by substituents selected from the group consisting of halogen, methyl, ethyl, methoxy and ethoxy.
Claim 6
Dependent Claim
84 words
A solution according to claim 3, containing about 30 to 50% by weight of a coupling component, an amount of sodium- or potassium hydroxide or both which is about 0.97 to 1.15 times equivalent, calculated on the coupling component and per coupling spot, about 5 to 30% by weight of water and about 25 to 60% by weight of diethylene-glycol or a mixture of about 7 to 45% by weight of diethylene-glycol and 10 to 30% by weight of ethylene- or propylene-glycol or both.
Claim 7
Dependent Claim
120 words
A solution according to claim 5, wherein the coupling component is a compound of the formula ##STR6## in which R 1 , R 2 and R 3 are the same or different and R 1 is hydrogen, methyl, methoxy or ethoxy, R 2 is hydrogen, methoxy or ethoxy and R 3 is hydrogen, or -- if R 1 is methyl -- is hydrogen, methoxy or ethoxy, and the portion of the solvent is about 25 to 40% by weight of diethyklene-glycol or a total of about 25 to 40% by weight of diethylene-glycol and ethylene- and/or propylene-glycol in a weight ratio of about 20 to 80 parts of diethylene-glycol to 80 to 20 parts of ethylene- or propylene-glycol or both.
Claim 8
Dependent Claim
106 words
A solution according to claim 5, wherein the coupling component is a compound of the formula ##STR7## in which R 4 and R 5 are the same or different and R 4 is hydrogen, methyl, methoxy or ethoxy, R 5 is hydrogen, methoxy or ethoxy, and R 6 is chlorine or nitro, and the portion of the solvent is about 35 to 60% by weight of diethylene-glycol or a total of about 35 to 60% by weight of diethylene-glycol and ethylene- and/or propylene-glycol in a weight ratio of about 20 to 80 parts of diethylene-glycol to 80 to 20 parts of ethylene- or propylene-glycol or both.
Claim 9
Dependent Claim
96 words
A solution according to claim 5, wherein the coupling component is a heterocyclic coupling component of the formula ##STR8## in which H is the heterocyclic radical, "aryl" is an aryl radical and the hydroxy group is in o-position to the carbonamide group, and the portion of the solvent is about 35 to 60% by weight of diethylene-glycol or a total of about 35 to 60% by weight of diethylene-glycol and ethylene- and/or propylene-glycol in a weight ratio of about 20 to 80 parts of diethylene-glycol to 80 to 20 parts of ethylene- or propylene-glycol or both.
Claim 10
Dependent Claim
58 words
A solution according to claim 1 which contains or consists essentially of about 42 to 47% by weight of b 2-hydroxy-3-naphthoic acid-anilide, of about 6.5 to 7.5% by weight of sodium hydroxide, of about 16 to 18% by weight of water, of about 20 to 30% by weight of ethylene-glycol and 7 to 10% by weight of diethylene-glycol.
Claim 11
Dependent Claim
56 words
A solution as claimed in claim 1 which contains or consists essentially of about 42 to 47% by weight of 2-hydroxy-3-naphthoic acid-2-methoxy-anilide, about 6 to 7% by weight of sodium hydroxide, about 22 to 25% by weight of water, about 12 to 18% by weight of ethylene-glycol and about 10 to 15% by weight of diethylene-glycol.
Claim 12
Dependent Claim
56 words
A solution as claimed in claim 1 which contains or consists essentially of about 42 to 47% by weight of 2-hydroxy-3-naphthoic acid-2'-methylanilide, about 9.5 to 11% by weight of potassium hydroxide, about 18 to 22% by weight of water, about 11 to 14% by weight of diethylene-glycol and about 10 to 15% by weight of ethylene-glycol.
Claim 13
Dependent Claim
56 words
A solution as claimed in claim 1 which contains or consists essentially of about 30 to 33% by weight of 2-hydroxy-benzocarbaxol-3-carboxylic acid-4'-methoxy-analike, about 4 to 5% by weight of sodium hydroxide, about 14 to 18% by weight of water, about 30 to 40% by weight of diethylene-glycol and about 12 to 18% by weight of ethylene-glycol.
Claim 14
Dependent Claim
48 words
A solution as claimd in claim 1 which contains or consists essentially of about 42 to 47% by weight of 2-hydroxy-3-naphthoic acid-anilide, about 9 to 12% by weight of potassium hydroxide, about 9 to 12% by weight of water and about 32 to 37% by weight of diethylene-glycol.
Claim 15
Dependent Claim
20 words
Process of preparing a bottoming bath for ice color dyeing, in which process the solution of claim 1 is employed.
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) | 1981-03-13 | 1981-09-12 | 1982-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-13 | 1985-09-12 | 1986-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-13 | 1989-09-12 | 1990-03-14 | $7700.00 | Window Closed / Lapsed |