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Patent US3390184A successfully refreshed from Google Patents.
US3390184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of primary amines by ammonolysis
Assignee: Texaco Inc
•
Filing: 1965-06-01
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Granted: 1968-06-25
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Philip H Moss
- 👤 Ernest L Yeakey
- 👤 George P Speranza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:27
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/04; C07C209/14; C07C209/16; C08; C08F; C08F8/00; C08F8/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2160058A
Cited
US2636902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |