Patent US2982782A successfully refreshed from Google Patents.
US2982782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing beta-aminonitriles and beta-aminoesters
Assignee: Monsanto Chemicals Ltd
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Filing: 1957-08-23
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Granted: 1961-05-02
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Expires: 1977-08-23
Abstract
No abstract record available.
Inventors
- 👤 William H Selcer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:19
CPC Classifications
C; C07; C07C; C07C255/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
THE PROCESS WHICH COMPRISES REACTING A TERT-CARBINAMINE OF THE FORMULA
Claim 2
Dependent Claim
10 words
THE PROCESS WHICH COMPRISES REACTING A TERT-CARBINAMINE OF THE FORMULA
References Cited (Backward Citations)
US1992615A
Cited
US2451852A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |