US3890091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level dyeing of wool polyimine or polyamine and sulfonated phenylene amino-chlorotriazine treated
Assignee: Hoechst AG
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Filing: 1973-09-06
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Granted: 1975-06-17
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Expires: 1993-09-06
Abstract
Abstract Process for the level dyeing of wool which is provided with an anti-felting finish of polyimine or polyamine resin with fiberreactive dyestuffs, wherein, prior to the dyeing, the wool provided with the anti-felting finish is pretreated with triazine derivatives as described in German Pat. No. 1,290,519 and the dyeing with the reactive dyestuffs is then effected in the usual manner.
Inventors
- 👤 Pierre-Rene Cathelin
- 👤 Hermann-Heinz Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:50
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/10; D06P1/00; D06P1/44; D06P1/52; D06P1/5264; D06P1/5278; D06P1/62; D06P1/628; D06P1/64; D06P1/642; D06P1/6426; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
39 words
A PROCESS FOR THE LEVEL DYEING OF WOOL HAVING AN ANTIFELTING FINISH OF POLYMINE OR POLYAMINE RESIN, WITH FIBERREACTIVE DYESTUFFS, WHEREIN, PRIOR TO THE DYEING, THE WOOL HAVING THE ANTI-FELTING FINISH IS PRETREATED WITH A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
39 words
A PROCESS FOR THE LEVEL DYEING OF WOOL HAVING AN ANTIFELTING FINISH OF POLYMINE OR POLYAMINE RESIN, WITH FIBERREACTIVE DYESTUFFS, WHEREIN, PRIOR TO THE DYEING, THE WOOL HAVING THE ANTI-FELTING FINISH IS PRETREATED WITH A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
46 words
A process as claimed in claim 1, wherein the pretreatment is effected at a goods-to-liquor ratio of 1:5 to 1:25, with 0.5 to 5% of the product of the formula, referred to the weight of the dry wool, from aqueous solutions according to the exhaust method.
Claim 4
Dependent Claim
50 words
A process as claimed in claim 1, wherein the pretreatment product of the formula is applied by padding in a quantity of 0.5 to 5%, referred to the weight of the dry wool, from aqueous solutions and, for fixation, the substrate so treated is then subjected to steaming or dwelling.
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) | 1978-06-16 | 1978-12-16 | 1979-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-16 | 1982-12-16 | 1983-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-16 | 1986-12-16 | 1987-06-17 | $7700.00 | Window Closed / Lapsed |