US2636901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reduction of nitroolefins
Assignee: Commercial Solvents Corp
•
Filing: 1949-05-11
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Granted: 1953-04-28
•
Expires: 1969-05-11
Abstract
No abstract record available.
Inventors
- 👤 John B Tindall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:59
CPC Classifications
C; C07; C07C; C07C45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
IN A PROCESS FOR THE REDUCTION OF NITROOLEFINS OF THE TYPE:
Claim 2
Dependent Claim
11 words
IN A PROCESS FOR THE REDUCTION OF NITROOLEFINS OF THE TYPE:
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) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |