US2917547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of liquid alkylpentaborane-9
Assignee: Olin Corp
•
Filing: 1956-09-21
•
Granted: 1959-12-15
•
Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Robert E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:15
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD FOR THE PREPARATION OF A LIQUID ALKYLATED PENTABORANE-9 WHICH COMPRISES CONTACTING A TRIALKYLBORATE CONTAINING FROM 1 TO 5 CARBON ATOMS IN EACH ALKYL RADICAL AND PENTABORANE-9 WHILE THE REACTION MIXTURE CONTAINS A CATALYTIC AMOUNT OF AN ALKYLATION CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE, ALUMINUM BROMIDE, FERRIC CHLORIDE AND FERRIC BROMIDE.
Claim 2
Independent Claim
55 words
A METHOD FOR THE PREPARATION OF A LIQUID ALKYLATED PENTABORANE-9 WHICH COMPRISES CONTACTING A TRIALKYLBORATE CONTAINING FROM 1 TO 5 CARBON ATOMS IN EACH ALKYL RADICAL AND PENTABORANE-9 WHILE THE REACTION MIXTURE CONTAINS A CATALYTIC AMOUNT OF AN ALKYLATION CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINUM CHLORIDE, ALUMINUM BROMIDE, FERRIC CHLORIDE AND FERRIC BROMIDE.
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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |