US2886599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of boron alkyls
Assignee: Studiengesellschaft Kohle gGmbH
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Filing: 1957-02-20
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Granted: 1959-05-12
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Expires: 1977-02-20
Abstract
No abstract record available.
Inventors
- 👤 Koster Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:35
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR THE PRODUCTION OF ORGANIC BORON COMPOUNDS, WHICH COMPRISES HEATING A BORON LOWER ALKYL CONTAINING MORE THAN 2 CARBON ATOMS IN THE ALKYL RADICAL WITH AN OLEFIN HAVING A DIFFERENT NUMBER OF CARBON ATOMS THAN THE ALKYL RADICAL OF SAID BORON ALKYL TO AT LEAST 100* C. TO THEREBY FORM AN ORGANIC BORON COMPOUND HAVING A HYDROCARBON RADICAL CORRESPONDING TO SAID OLEFIN, REPLACING THE ALKYL RADICAL OF SAID BORON ALKYL.
Claim 2
Dependent Claim
72 words
A PROCESS FOR THE PRODUCTION OF ORGANIC BORON COMPOUNDS, WHICH COMPRISES HEATING A BORON LOWER ALKYL CONTAINING MORE THAN 2 CARBON ATOMS IN THE ALKYL RADICAL WITH AN OLEFIN HAVING A DIFFERENT NUMBER OF CARBON ATOMS THAN THE ALKYL RADICAL OF SAID BORON ALKYL TO AT LEAST 100* C. TO THEREBY FORM AN ORGANIC BORON COMPOUND HAVING A HYDROCARBON RADICAL CORRESPONDING TO SAID OLEFIN, REPLACING THE ALKYL RADICAL OF SAID BORON ALKYL.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |