US3287415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boron alkyls, and a process for the production of boron hydrocarbons
Assignee: Studiengesellschaft Kohle gGmbH
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Filing: 1958-04-28
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Granted: 1966-11-22
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Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Koster Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:40
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
61 words
PROCESS FOR THE PRODUCTION OF BORON HYDROCARBONS, WHICH COMPRISES HEATING A TRIALKYL AMINE BORANE, IN WHICH ALKYL REPRESENTS A LOWER ALKYL GROUP, WITH AN UNSATURATED HYDROCARBON HAVING AT LEAST ONE C=C BOND IN THE ABSENCE OF OXYGEN AND MOISTURE TO A TEMPERATURE HIGHER THAN 100* C. AND THEREAFTER SEPARATING THE AMINE AND BORON HYDROCARBON PRESENT IN THE REACTION PRODUCT BY DISTILLATION.
Claim 2
Dependent Claim
61 words
PROCESS FOR THE PRODUCTION OF BORON HYDROCARBONS, WHICH COMPRISES HEATING A TRIALKYL AMINE BORANE, IN WHICH ALKYL REPRESENTS A LOWER ALKYL GROUP, WITH AN UNSATURATED HYDROCARBON HAVING AT LEAST ONE C=C BOND IN THE ABSENCE OF OXYGEN AND MOISTURE TO A TEMPERATURE HIGHER THAN 100* C. AND THEREAFTER SEPARATING THE AMINE AND BORON HYDROCARBON PRESENT IN THE REACTION PRODUCT BY DISTILLATION.
Claim 3
Dependent Claim
49 words
A BORON HETEROCYCLE HAVING A BORON IN THE CARBOCYCLIC RING PREPARED BY HEATING A TRIALKYL AMINE BORANE IN WHICH ALKYL REPRESENTS A LOWER ALLKYL GROUP WITH AN UNSATURATED HYDROCARBON HAVING AT LEAST TWO C=C BOND IN THE ABSENCE OF OXYGEN AND MOSITURE TO A TEMPERATURE HIGHER THAN 100* C.
Claim 4
Dependent Claim
49 words
A BORON HETEROCYCLE HAVING A BORON IN THE CARBOCYCLIC RING PREPARED BY HEATING A TRIALKYL AMINE BORANE IN WHICH ALKYL REPRESENTS A LOWER ALLKYL GROUP WITH AN UNSATURATED HYDROCARBON HAVING AT LEAST TWO C=C BOND IN THE ABSENCE OF OXYGEN AND MOSITURE TO A TEMPERATURE HIGHER THAN 100* C.
References Cited (Backward Citations)
US2835693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |