Patent US3558264A successfully refreshed from Google Patents.
US3558264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkproofing keratinic textile materials through reaction with polyisocyanates in conjunction with active hydrogen containing compounds
Assignee: Deering Milliken Research Corp
•
Filing: 1963-07-03
•
Granted: 1971-01-26
•
Expires: 1983-07-03
Abstract
Abstract KERATINIC FIBERS ARE MODIFIED WITH POLYISOCYANATES IN CONJUNCTION WITH POLYFUNCTIONAL COREACTANTS TO IMPROVE THE SHRINK RESISTANCE, DYEABILITY AND SETTABILITY THEREOF AND UNIFORM OR BLENDED TEXTILE STRUCTURES MADE THEREFROM.
Inventors
- 👤 Emile E Habib
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:52
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/564
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |