US2941994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the preparation of hmx using boron trifluoride
Assignee: Individual
•
Filing: 1958-07-10
•
Granted: 1960-06-21
•
Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Louis B Silberman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:07
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN A PROCESS FOR THE MANUFACTURE OF HOMOCYCLONITE WHEREIN HEXAMINE IS CONVERTED TO HOMOCYCLONITE BY TREATMENT WITH NITRIC ACID-AMMONIUM NITRATE SOLUTION IS AN ACIDIC MEDIUM, THE IMPROVEMENT CONSISTING OF CARRYING OUT THE REACTION IN THE PRESENCE OF BORON TRIFLUORIDE AS A CATALYST.
Claim 2
Dependent Claim
42 words
IN A PROCESS FOR THE MANUFACTURE OF HOMOCYCLONITE WHEREIN HEXAMINE IS CONVERTED TO HOMOCYCLONITE BY TREATMENT WITH NITRIC ACID-AMMONIUM NITRATE SOLUTION IS AN ACIDIC MEDIUM, THE IMPROVEMENT CONSISTING OF CARRYING OUT THE REACTION IN THE PRESENCE OF BORON TRIFLUORIDE AS A CATALYST.
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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |