US3028432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of isopropylvinylenedecaborane
Assignee: Callery Chemical Co
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Filing: 1959-11-13
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Granted: 1962-04-03
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Expires: 1979-11-13
Abstract
No abstract record available.
Inventors
- 👤 Carl D Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:14
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C06; C06B; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A METHOD OF PRODUCING ISOPROPYLVINYLENEDECABORANE WHICH COMPRISES REACTING ISOPROPENYLVINYLENEDECABORANE WITH THE YELLOW SOLID WHICH IS A BY-PRODUCT OBTAINED IN THE PREPARATION OF ISOPROPENYLVINLENEDECABORANE FROM DECABORANE, ACETONTRILE AND ISOPROPENYL ACETYLENE, AT A TEMPERATURE OF AT LEAST ABOUT 60* C., AND RECOVERING THE ISOPROPYLVINYLENEDECABORANE THUS FORMED.
Claim 2
Independent Claim
44 words
A METHOD OF PRODUCING ISOPROPYLVINYLENEDECABORANE WHICH COMPRISES REACTING ISOPROPENYLVINYLENEDECABORANE WITH THE YELLOW SOLID WHICH IS A BY-PRODUCT OBTAINED IN THE PREPARATION OF ISOPROPENYLVINLENEDECABORANE FROM DECABORANE, ACETONTRILE AND ISOPROPENYL ACETYLENE, AT A TEMPERATURE OF AT LEAST ABOUT 60* C., AND RECOVERING THE ISOPROPYLVINYLENEDECABORANE THUS FORMED.
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) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |