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US3066140A
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US
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Process for producing dialkyl (carbamoylmethyl) phosphonates
Assignee: Monsanto Chemical Co
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Filing: 1956-05-24
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Granted: 1962-11-27
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Expires: 1976-05-24
Abstract
No abstract record available.
Inventors
- 👤 Angelo J Speziale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:18
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C10M2223/00; C10M2223/06; C10M2223/065
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
8 words
THE METHOD OF PREPARING PHOSPHATES OF THE FORMULA,
Claim 2
Independent Claim
8 words
THE METHOD OF PREPARING PHOSPHATES OF THE FORMULA,
Claim 3
Independent Claim
8 words
THE METHOD OF PREPARING PHOSPHONATES OF THE FORMULA,
Claim 4
Independent Claim
8 words
THE METHOD OF PREPARING PHOSPHONATES OF THE FORMULA,
References Cited (Backward Citations)
CA508891A
Cited
US2668800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |