US2950312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing n-trinitroethyl urethanes, amides, and ureas
Assignee: Nitroglycerin AB
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Filing: 1957-10-25
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Granted: 1960-08-23
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Expires: 1977-10-25
Abstract
No abstract record available.
Inventors
- 👤 Quadflieg Therese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:12
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C06B25/00; C06B25/34; C07; C07C; C07C271/00; C07C271/06; C07C271/08; C07C271/10; C07C271/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A PROCESS FOR PRODUCING TRINITROETHYLSUBSTITUTED ACID AMIDES OF THE GENERAL FORMULA
Claim 2
Dependent Claim
11 words
A PROCESS FOR PRODUCING TRINITROETHYLSUBSTITUTED ACID AMIDES OF THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |