Patent US3153567A successfully refreshed from Google Patents.
US3153567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making decaborane reaction product with hydrazines
Assignee: Individual
•
Filing: 1960-08-26
•
Granted: 1964-10-20
•
Expires: 1980-08-26
Abstract
No abstract record available.
Inventors
- 👤 Neil R Fetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:18
CPC Classifications
C; C07; C07C; C07C245/00; C07C245/22; C01; C01B; C01B21/00; C01B21/082; C01B21/087; C01B21/092; C01B21/0923; C06; C06B; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD FOR THE PREPARATION OF REACTION PRODUCTS OF DECABORANE WITH MEMBERS OF THE CLASS CONSISTING OF HYDRAZINE, LOWER ALKYL HYDROZINES AND TETRAMETHYLTETRAZENE COMPRISING THE STEPS OF DISSOLVING DECABRORANE IN BENZENE, COOLING THE SOLUTION TO ABOUT 0*C., PROVIDING AN INERT ATMOSPHERE OVER THE SOLUTION, ADDING A MEMBER OF THE AFOREMENTIONED CLASS SLOWLY WITH AGITATION WHILE MAINTAINING THE TEMPERATURE AT ABOUT 0*C., AND EVAPORATING THE EXCESS REACTANT AND SOLVENT, WHEREBY A SOLID RESIDUE IS LEFT.
Claim 2
Independent Claim
74 words
A METHOD FOR THE PREPARATION OF REACTION PRODUCTS OF DECABORANE WITH MEMBERS OF THE CLASS CONSISTING OF HYDRAZINE, LOWER ALKYL HYDROZINES AND TETRAMETHYLTETRAZENE COMPRISING THE STEPS OF DISSOLVING DECABRORANE IN BENZENE, COOLING THE SOLUTION TO ABOUT 0*C., PROVIDING AN INERT ATMOSPHERE OVER THE SOLUTION, ADDING A MEMBER OF THE AFOREMENTIONED CLASS SLOWLY WITH AGITATION WHILE MAINTAINING THE TEMPERATURE AT ABOUT 0*C., AND EVAPORATING THE EXCESS REACTANT AND SOLVENT, WHEREBY A SOLID RESIDUE IS LEFT.
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |