US3401119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternary ammonium compounds and process of making
Assignee: Emery Oleochemicals LLC
•
Filing: 1965-02-16
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Granted: 1968-09-10
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Expires: 1985-02-16
Abstract
No abstract record available.
Inventors
- 👤 Phillip A Froehlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:06
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/26; C07; C07C; C07C211/00; C07C211/62; C07C211/63; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05; Y10S516/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2861955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |