Patent US3009941A successfully refreshed from Google Patents.
US3009941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing organoboron compounds
Assignee: US Borax Inc
•
Filing: 1960-08-17
•
Granted: 1961-11-21
•
Expires: 1980-08-17
Abstract
No abstract record available.
Inventors
- 👤 Robert J Brotherton
- 👤 William G Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:23
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD FOR PREPARING ORGANOBORON COMPOUNDS HAVING BORON-BORON BONDS WHICH COMPRISES HEATING UNDER REFLUX, IN AN ATMOSPHERE, WITH CONSTANT AGITATION, A CYCLIC ORGANOBORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-HALO-1,3,2-DIOXABOROLANES, 2-HALO-1,3,2DIOXABORINANES, 2-HALO-1,3,2-BENZODIOXABOROLES, 2-HALO1,3,2-DIAZABOROLES, 2-HALO-1,3,2-DIAZABORINANES AND 2HALO-1,3,2-BENZODIAZABOROLES, AND A METAL HAVING A CONTINUOUSLY AVAILABLE CLEAN ACTIVE SURFACE, SAID METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS, AND SODIUM AND POTASSIUM ALLOYS, IN THE PRESENCE OF A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF PYRIDINE AND TERTIARY ALKYL AMINES HAVING PRIMARY AND SECONDARY ALKYL GROUPS CONTAINING FROM 1 TO 6 CARBON ATOMS, AND RECOVERING SAID BORON-BORON BONDED COMPOUND FROM THE REACTION MASS.
Claim 2
Independent Claim
104 words
THE METHOD FOR PREPARING ORGANOBORON COMPOUNDS HAVING BORON-BORON BONDS WHICH COMPRISES HEATING UNDER REFLUX, IN AN ATMOSPHERE, WITH CONSTANT AGITATION, A CYCLIC ORGANOBORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2-HALO-1,3,2-DIOXABOROLANES, 2-HALO-1,3,2DIOXABORINANES, 2-HALO-1,3,2-BENZODIOXABOROLES, 2-HALO1,3,2-DIAZABOROLES, 2-HALO-1,3,2-DIAZABORINANES AND 2HALO-1,3,2-BENZODIAZABOROLES, AND A METAL HAVING A CONTINUOUSLY AVAILABLE CLEAN ACTIVE SURFACE, SAID METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS, AND SODIUM AND POTASSIUM ALLOYS, IN THE PRESENCE OF A TERTIARY AMINE SELECTED FROM THE GROUP CONSISTING OF PYRIDINE AND TERTIARY ALKYL AMINES HAVING PRIMARY AND SECONDARY ALKYL GROUPS CONTAINING FROM 1 TO 6 CARBON ATOMS, AND RECOVERING SAID BORON-BORON BONDED COMPOUND FROM THE REACTION MASS.
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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |