Patent US3706530A successfully refreshed from Google Patents.
US3706530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the dyeing of textile material with dye carrier of predominantly higher boiling alkyl benzenes
Assignee: Sandoz AG
•
Filing: 1970-06-01
•
Granted: 1972-12-19
•
Expires: 1990-06-01
Abstract
Abstract THIS INVENTION RELATES TO A PROCESS FOR DYEING OR PRINTIN POLYESTER FIBRES IN THE FORM OF LOOSE FIBRE, YARN OR PIECE GOODS USING DISPERSE DYES IN THE PRESENCE OF CARRIERS WHICH CONTAIN AT LEAST 30% BY WEIGHT OF ALKYLBENZENES.
Inventors
- 👤 Hans-Peter Baumann
- 👤 Robert Christian Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:33
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/651; D06P1/6515; D06P3/00; D06P3/34; D06P3/52; D06P3/54; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/922
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |