US3412113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed anhydrides of acylphosphonic acids
Assignee: Monsanto Research Corp
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Filing: 1965-10-22
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Granted: 1968-11-19
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Steven J Fitch
- 👤 Riyad R Irani
- 👤 Moedritzer Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:53
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4071; C07F9/409; C07F9/4003; C07F9/4062; C07F9/4065; C07F9/4093
Claims Analysis
Total Claims: 0
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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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |