US3764262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the dyeing and printing of textile materials
Assignee: Bayer AG
•
Filing: 1970-09-08
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Granted: 1973-10-09
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Expires: 1990-09-08
Abstract
Abstract THE INVENTION RELATES TO THE DYEING AND PRINTING OF TEXTILE MATERIALS WITH CHLORINATED HYDROCARBON/WATER DYESTUFF EMULSIONS, THE AQUEOUS PHASE OF WHICH CONTAINS A SOLUTION OF WATER-SOLUBLE DYESTUFFS AND THE CHLORINATED HYDROCARBON PHASE OF WHICH MAY BE A SOLUTION OF DYESTUFFS SOLUBLE IN CHLORINATED HYDROCARBONS, AND TO AN AFTER-TREATMENT IN CHLORINATED HYDROCARON SOLUTIONS CONTAINING COMPOUNDS WHICH ARE INTERFACE-ACTIVE IN CHLORINATED HYDROCARBONS.
Inventors
- 👤 D Hildebrand
- 👤 H Kirschnek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:16
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/90; D06P1/92; D06P1/922; D06P1/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |