US3394205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reacting phosphonitrile chlorides with methanol and ammonia
Assignee: PRODUITS CHIMIQUES UGINE KUKLMANN
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Filing: 1964-05-08
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Granted: 1968-07-23
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Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Bilger Xavier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:28
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/02; C08G79/025; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6581; C07F9/65812; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/667; D06M15/673
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3012908A
Cited
US3193571A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |