US3281218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Triborane(7) compounds and method of preparing same
Assignee: Callery Chemical Co
•
Filing: 1957-07-18
•
Granted: 1966-10-25
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Expires: 1977-07-18
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Edwards
- 👤 William V Hough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:30
CPC Classifications
C; C01; C01B; C01B6/00; C01B35/00; C01B35/02; C01B35/026; C07; C07F; C07F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
THE TRIBORANE (7) ADDUCTS OF THE COMPOSITION XB3H7, WHERE X IS A BASIC SUBSTANCE OF THE GROUP CONSISTING OF BASIC ORGANIC SUBSTITUTED HYDRIDES OF AN ELEMENT SELECTED FROM THE GROUP VA AND VIA IN WHICH THE ORGANIC SUBSTITUENT IS NOT REACTIVE WITH TETRABORANE AND HYDRIDES OF AN ELEMENT SELECTED FROM GROUP VA.
Claim 2
Dependent Claim
52 words
THE TRIBORANE (7) ADDUCTS OF THE COMPOSITION XB3H7, WHERE X IS A BASIC SUBSTANCE OF THE GROUP CONSISTING OF BASIC ORGANIC SUBSTITUTED HYDRIDES OF AN ELEMENT SELECTED FROM THE GROUP VA AND VIA IN WHICH THE ORGANIC SUBSTITUENT IS NOT REACTIVE WITH TETRABORANE AND HYDRIDES OF AN ELEMENT SELECTED FROM GROUP VA.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |