US3578592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imidazoline quaternary salts as soil retardants
Assignee: Wyeth Holdings LLC
•
Filing: 1967-10-03
•
Granted: 1971-05-11
•
Expires: 1987-10-03
Abstract
Abstract THE USE OF IMIDAZOLINIUM HALIDES AS SOIL RETARDANTS FOR NON-CELLULOSIC TEXTILE MATERIALS, THE TREATED TEXTILE MATERIALS AND A STABILIZED COMPOSITION CONTAINING SAID HALIDE AND A FORMALDEHYDE-BISULFITE ADDITION PRODUCT.
Inventors
- 👤 Joseph John Pontelandolfo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:13
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/16; D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; D06M13/46; D06M13/47; D06M13/473
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) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |