US3592584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing continuous filament nylon with 1:1 premetallized dyes and mixtures thereof with dye assistants
Assignee: EIDP Inc
•
Filing: 1968-01-23
•
Granted: 1971-07-13
•
Expires: 1988-01-23
Abstract
Abstract IMPROVED PROCESS FOR LEVEL, LIGHTFAST DYEING OF POLYAMIDE FIBERS AND TEXTILE ARTICLES COMPRISED THEREOF BY CONTACTING SAME WITH AN AQUEOUS DYE BATH CONTAINING SPECIFIC 1:1 PREMETALLIZED DYES (I,II AND III), DYEING ASSISTANT AND, PERFERABLY, METAL COMPLEXING AGENT.
Inventors
- 👤 William J Link
- 👤 Hermann W Pohland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:12
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/653; D06P1/62; D06P1/621; D06P1/622; D06P1/625; D06P1/64; D06P1/642; D06P1/647; D06P1/673; D06P1/67333; D06P1/67341; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/245
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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |