US3112331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silyl, germanyl and stannyl imido phosphoranes, arsanes and stibanes
Assignee: American Potash and Chemical Corp
•
Filing: 1961-11-03
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Granted: 1963-11-26
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Expires: 1981-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert M Washburn
- 👤 Roger A Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:27
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/535; C07F9/5355; C07F9/66; C07F9/70; C07F9/74; C07F9/90; C07F9/92; C08; C08G; C08G79/00; C08G79/14; C08K; C08K5/00; C08K5/54; C08K5/5406; C08K5/59
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A PROCESS FOR PREPARING A NEW COMPOUND WHICH COMPRISES REACTING, UNDER ANHYDROUS CONDITIONS, (A) ONE MOLE OF A COMPUND HAVING THE FORMULA
Claim 2
Dependent Claim
22 words
A PROCESS FOR PREPARING A NEW COMPOUND WHICH COMPRISES REACTING, UNDER ANHYDROUS CONDITIONS, (A) ONE MOLE OF A COMPUND HAVING THE FORMULA
References Cited (Backward Citations)
US2197835A
Cited
US3016297A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |