Patent US2864853A successfully refreshed from Google Patents.
US2864853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of haloalkane nitrates
Assignee: Purdue Research Foundation
•
Filing: 1956-08-07
•
Granted: 1958-12-16
•
Expires: 1976-08-07
Abstract
No abstract record available.
Inventors
- 👤 Bachman Gustave Bryant
- 👤 Ted J Logan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:46
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/23; C10L1/231; C07; C07C; C07C201/00; C07C201/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
A PROCESS FOR THE PRODUCTION OF HALOALKYL NITRATES WHICH COMPRISES PASSING AN ALKENE CONTAINING UP TO ABOUT 20 CARBON ATOMS INTO AN INERT LIQUID SOLVENT CONTAINING AS REACTIVE SOLUTES THE TWO COMPOUNDS DINITROGEN TETROOXIDE AND A HALOGEN SELECTED FROM THE GROUP CONSISTING OF BROMINE AND IODINE, THE TEMPERATURE OF SAID SOLVENT BEING MAINTAINED AT FROM -10*C. TO +20*C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |