Patent US4415333A successfully refreshed from Google Patents.
US4415333A
Expired / Lapsed
US
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Solid compositions of water-soluble fiber-reactive dyestuffs and dialkylnaphthalene sulfonic acid and formaldehye condensate
Assignee: Hoechst AG
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Filing: 1982-03-22
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Granted: 1983-11-15
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Expires: 2002-03-22
Abstract
Abstract Solid, pulverulent dyestuff compositions of fiber-reactive dyestuffs, which compositions contain a condensation product formed from a dialkylnaphthalenesulfonic acid or a mixture of two or more dialkylnaphthalenesulfonic acids and formaldehyde, as an auxiliary intended to ensure the solubility of the dyestuffs in salt-containing and alkaline aqueous padding liquors.
Inventors
- 👤 Ludwig Schlafer
- 👤 Heinz Uhrig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:05
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/38; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0072; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
22 words
A solid composition of fiber-reactive dyestuffs, which contains a condensation product formed from a dialkylnaphthalenesulfonic acid, or a mixture thereof, and formaldehyde.
Claim 2
Dependent Claim
22 words
A solid composition of fiber-reactive dyestuffs, which contains a condensation product formed from a dialkylnaphthalenesulfonic acid, or a mixture thereof, and formaldehyde.
Claim 3
Dependent Claim
20 words
A composition as claimed in claim 1, which contains 50 to 85% by weight of one or more fiber-reactive dyestuffs.
Claim 4
Dependent Claim
31 words
A composition as claimed in claim 1 or 2, which contains 10 to 50% by weight of a condensation product formed from a dialkylnaphthalenesulfonic acid, or a mixture thereof, and formaldehyde.
Claim 5
Dependent Claim
34 words
A composition as claimed in claim 1 wherein the condensation product is formed from dialkylnaphthalenesulfonic acids containing, on average, 1 to 1.5 sulfonic acid groups, and a 1- to 3.6-fold molar quantity of formaldehyde.
Claim 6
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR6##
Claim 7
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR7##
Claim 8
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR8##
Claim 9
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR9##
Claim 10
Dependent Claim
26 words
A composition as claimed in claim 3 or 4, 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR10##
Claim 11
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR11##
Claim 12
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR12##
Claim 13
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR13##
Claim 14
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR14##
Claim 15
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR15##
Claim 16
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR16##
Claim 17
Dependent Claim
25 words
A composition as claimed in claim 3 or 4, wherein the fiber-reactive dyestuff is the alkali metal salt of the compound of the formula ##STR17##
Claim 18
Dependent Claim
46 words
A method for the preparation of an alkaline aqueous dyeing liquor, having a good storage stability, which comprises dissolving in water a composition as defined in claim 1, and an alkaline agent, optionally together with an additive for preparation of salt-containing and alkaline aqueous dyeing liquors.
Claim 19
Dependent Claim
69 words
A method for the stable storage of a fiber-reactive dyestuff in an alkaline aqueous dyeing liquor, which comprises dissolving in water the solid composition as defined in claim 1, or dissolving a fiber-reactive dyestuff and a condensation product prepared from a dialkyl naphthalene sulfonic acid or mixture thereof, and formaldehyde, and an alkaline agent, optionally together with an additive for the preparation of salt-containing and alkaline aqueous dyeing liquors.
References Cited (Backward Citations)
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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) | 1986-11-14 | 1987-05-16 | 1987-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-14 | 1991-05-16 | 1991-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-14 | 1995-05-16 | 1995-11-15 | $7700.00 | Window Closed / Lapsed |