US3037985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of amine boranes
Assignee: Bayer AG
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Filing: 1959-07-14
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Granted: 1962-06-05
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Expires: 1979-07-14
Abstract
No abstract record available.
Inventors
- 👤 Lang Konrad
- 👤 Schubert Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303; C07; C07F; C07F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR PREPARING AMINE BORANES WHICH COMPRISES REACTING A NITROGEN-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF PRIMARY, SECONDARY, TERTIARY LOWER ALKYL MONOAMINES AND LOWER ALKYLENE DIAMINES, DIMETHYLCYCLOXYLAMINE, ANILINE, N-METHYLANILINE, N,NDIMETHYLANILINE, PIPERIDINE AND PYRIDINO WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL BOROHYDRIDES AND A BORON COMPOUND SELECTED FROM THE GROUP CONSISITING OF BORON TRIHALIDE, ADDITION COMPOUNDS OF BORON TRIHALIDE WITH A LOWER ALKYL ETHER, AND ADDDITION COMPOUND OF BORON TRIHALIDE WITH TETRAHYDROFURAN, AND RECOVERING THE AMIDE BORANE THEREBY FORMED.
Claim 2
Dependent Claim
88 words
A PROCESS FOR PREPARING AMINE BORANES WHICH COMPRISES REACTING A NITROGEN-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF PRIMARY, SECONDARY, TERTIARY LOWER ALKYL MONOAMINES AND LOWER ALKYLENE DIAMINES, DIMETHYLCYCLOXYLAMINE, ANILINE, N-METHYLANILINE, N,NDIMETHYLANILINE, PIPERIDINE AND PYRIDINO WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL BOROHYDRIDES AND A BORON COMPOUND SELECTED FROM THE GROUP CONSISITING OF BORON TRIHALIDE, ADDITION COMPOUNDS OF BORON TRIHALIDE WITH A LOWER ALKYL ETHER, AND ADDDITION COMPOUND OF BORON TRIHALIDE WITH TETRAHYDROFURAN, AND RECOVERING THE AMIDE BORANE THEREBY FORMED.
References Cited (Backward Citations)
US2678949A
Cited
US2898379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |