US3154489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface active compositions
Assignee: Armour and Co
•
Filing: 1962-05-28
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Granted: 1964-10-27
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Brow Paul L Du
- 👤 John S Brandiff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:44
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/42; C11D1/44; C11D1/62; C11D3/00; C11D3/0005; C11D3/001; D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; D06M13/46; D06M13/463; D06M2200/00; D06M2200/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A TREATING COMPOSITION FOR SOFTENING FIBERS AND CONDITIONING THEM FOR REWETTING, COMPRISING A QUATERNARY AMMONIUM SALT HAVING THE FORMULA
Claim 2
Dependent Claim
19 words
A TREATING COMPOSITION FOR SOFTENING FIBERS AND CONDITIONING THEM FOR REWETTING, COMPRISING A QUATERNARY AMMONIUM SALT HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |