US3212844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalloid azides and process for preparing the same
Assignee: American Potash and Chemical Corp
•
Filing: 1961-11-03
•
Granted: 1965-10-19
•
Expires: 1981-11-03
Abstract
No abstract record available.
Inventors
- 👤 Robert M Washburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:45
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/06; C08J9/10; C08J9/106; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/36; C07F9/38; C07F9/44; C07F9/4461; C07F9/4484; C09; C09K; C09K15/00; C09K15/04; C09K15/32; C09K15/322
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
2 words
DIPHENYLPHOSPHONYL AZIDE.
Claim 2
Dependent Claim
2 words
DIPHENYLPHOSPHONYL AZIDE.
Claim 3
Dependent Claim
2 words
PHOSPHONYL TRIAZIDE.
Claim 4
Dependent Claim
2 words
PHOSPHONYL TRIAZIDE.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |