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US3207569A
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Mixture of anthraquinone and azo dyes, dyeing ester type textiles therewith and the dyed textiles from said process
Assignee: Sandoz AG
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Filing: 1964-01-24
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Granted: 1965-09-21
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Thummel Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:47
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/50; D; D06; D06P; D06P3/00; D06P3/34; D06P3/36; Y; Y10; Y10S; Y10S534/00; Y10S534/01; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
PROCESS FOR THE PRODUCTION OF DARK SHADES ON TEXTILE MATERIALS OF ESTER TYPE FIBERS WHICH COMPRISES IMPREGNATING THESE MATERIALS WITH AQUEOUS DISPERSIONS CONTAINING FROM 1 TO 8 PARTS BY WEIGHT OF 1 TO 2 DYES OF THE FORMULA
Claim 2
Dependent Claim
38 words
PROCESS FOR THE PRODUCTION OF DARK SHADES ON TEXTILE MATERIALS OF ESTER TYPE FIBERS WHICH COMPRISES IMPREGNATING THESE MATERIALS WITH AQUEOUS DISPERSIONS CONTAINING FROM 1 TO 8 PARTS BY WEIGHT OF 1 TO 2 DYES OF THE FORMULA
References Cited (Backward Citations)
BE604720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |