US2970030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of neutrally developable textile prints
Assignee: BASF Schweiz AG
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Filing: 1956-08-24
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Granted: 1961-01-31
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Expires: 1976-08-24
Abstract
No abstract record available.
Inventors
- 👤 Bolleter Albert
- 👤 Moser Eduard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:45
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/02; D06P1/12; D06P1/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A PROCESS FOR THE PRODUCTION OF A WATER-INSOLUBLE AZO DYESTUFF ON THE FIBER BY PRINTING ON OF A COUPLING COMPONENT AND A STABILIZED DIAZO COMPOUND AND DEVELOPMENT OF THE DYESTUFF BY STEAMING WITH STEAM AT A PH NOT ABOVE NEUTRALITY, THE IMPROVEMENT OF CARRYING OUT SAID PROCESS, IN THE ABSENCE OF HALOGEN FATTY ACIDS AND THEIR SALTS, WITH A COUPLING COMPONENT SUITABLE FOR THE MANUFACTURE OF ICE-COLORS, AN ALKALI IN A QUANTITY OF MORE THAN 2 MOL CALCULATED ON THE QUANTITY OF THE COUPLING COMPONENT USED AND A LABILE DIAZO-AMINO COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
95 words
IN A PROCESS FOR THE PRODUCTION OF A WATER-INSOLUBLE AZO DYESTUFF ON THE FIBER BY PRINTING ON OF A COUPLING COMPONENT AND A STABILIZED DIAZO COMPOUND AND DEVELOPMENT OF THE DYESTUFF BY STEAMING WITH STEAM AT A PH NOT ABOVE NEUTRALITY, THE IMPROVEMENT OF CARRYING OUT SAID PROCESS, IN THE ABSENCE OF HALOGEN FATTY ACIDS AND THEIR SALTS, WITH A COUPLING COMPONENT SUITABLE FOR THE MANUFACTURE OF ICE-COLORS, AN ALKALI IN A QUANTITY OF MORE THAN 2 MOL CALCULATED ON THE QUANTITY OF THE COUPLING COMPONENT USED AND A LABILE DIAZO-AMINO COMPOUND OF THE FORMULA
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) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |