US3236592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of alkali metal diimidotriphosphates
Assignee: Monsanto Co
•
Filing: 1961-07-24
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Granted: 1966-02-22
•
Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Morris L Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:32
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/34; C01; C01B; C01B21/00; C01B21/082; C01B21/087; C01B21/092; C01B21/0923; C11D3/00; C11D3/16; C11D3/36; C11D3/364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
PROCESS FOR THE PREPARATION OF SODIUM DIIMIDOTRIPHOSPHATE COMPRISES HEATING DISODIM PHOSPHORAMIDATE AND SODIUM PHOSPHORODIAMIDATE TOGETHER WITH A MOLTEN SALT AT A TEMPERATURE IN THE RANGE OF FROM 100*C. TO 300*C.
Claim 2
Dependent Claim
30 words
PROCESS FOR THE PREPARATION OF SODIUM DIIMIDOTRIPHOSPHATE COMPRISES HEATING DISODIM PHOSPHORAMIDATE AND SODIUM PHOSPHORODIAMIDATE TOGETHER WITH A MOLTEN SALT AT A TEMPERATURE IN THE RANGE OF FROM 100*C. TO 300*C.
References Cited (Backward Citations)
US1972032A
Cited
US2174614A
Cited
US2906601A
Cited
US2995523A
Cited
US3023168A
Cited
US3018165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |