Patent US3347893A successfully refreshed from Google Patents.
US3347893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adducts
Assignee: Union Carbide Corp
•
Filing: 1961-12-27
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Granted: 1967-10-17
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 John N Hogsett
- 👤 Khuri Albert
- 👤 Helmut W Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:28
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
52 words
AN ADDUCT OF A METAL BOROHYDRIDE OF THE GROUP CONSISTING OF ALUMINUM BOROHYDRIDE, BERYLLIUM BOROHYDRIDE, AND ZIRCONIUM BOROHYDRIDE, WITH A LIGAND OF THE GROUP CONSISTING OF TETRA(HYDROCARBYLAMINO)DIBORON, TETRA(DIHYDROCARBYLAMINO)DIBORON, TRIS(HYDROCARBYLAMINO)DIBORANE, AND TRIS(DIHYDROCARBYLAMINO)BORANE, SAID ADDUCT POSSESSING AT LEAST ONE COORDNATE BOND BETWEEN AN AMINO NITROGEN ATOM AND THE METAL MOIETY OF SAID METAL BOROHYDRIDE.
Claim 2
Dependent Claim
52 words
AN ADDUCT OF A METAL BOROHYDRIDE OF THE GROUP CONSISTING OF ALUMINUM BOROHYDRIDE, BERYLLIUM BOROHYDRIDE, AND ZIRCONIUM BOROHYDRIDE, WITH A LIGAND OF THE GROUP CONSISTING OF TETRA(HYDROCARBYLAMINO)DIBORON, TETRA(DIHYDROCARBYLAMINO)DIBORON, TRIS(HYDROCARBYLAMINO)DIBORANE, AND TRIS(DIHYDROCARBYLAMINO)BORANE, SAID ADDUCT POSSESSING AT LEAST ONE COORDNATE BOND BETWEEN AN AMINO NITROGEN ATOM AND THE METAL MOIETY OF SAID METAL BOROHYDRIDE.
Claim 3
Dependent Claim
76 words
A PROCESS WHICH COMPRISES CONTACTING A METAL BOROHYDRIDE OF THE GROUP CONSISTING OF ALUMINUM BOROHYDRIDE, BERYLLIUM BOROHYDRIDE, AND ZIRCONIUM BOROHYDRIDE; WITH A LIGAND OF THE GROUP CONSISTING OF TETRA(HYDROCARBYLAMINO)DIBORON, TETRA(DIHYDROCARBYLAMINO)DIBORON, TRIS(HYDROCARBYLAMINO)BORANE, AND TRIS(DIHYDROCARBYLAMINO)BORANE; UNDER AN INERT, ANHYDROUS ATMOSPHERE, AND RECOVERING A METAL BOROHYDRIDE ADDUCT OF SAID LIGAND, AS THE RESULTING PRODUCT, FROM THE REACTION MEDIUM SAID ADDUCT POSSESSING AT LEAST ONE COORDINATE BOND BETWEEN AN AMINO NITROGEN ATOM AND THE METAL MOIETY OF SAID METAL BOROHYDRIDE.
Claim 4
Dependent Claim
76 words
A PROCESS WHICH COMPRISES CONTACTING A METAL BOROHYDRIDE OF THE GROUP CONSISTING OF ALUMINUM BOROHYDRIDE, BERYLLIUM BOROHYDRIDE, AND ZIRCONIUM BOROHYDRIDE; WITH A LIGAND OF THE GROUP CONSISTING OF TETRA(HYDROCARBYLAMINO)DIBORON, TETRA(DIHYDROCARBYLAMINO)DIBORON, TRIS(HYDROCARBYLAMINO)BORANE, AND TRIS(DIHYDROCARBYLAMINO)BORANE; UNDER AN INERT, ANHYDROUS ATMOSPHERE, AND RECOVERING A METAL BOROHYDRIDE ADDUCT OF SAID LIGAND, AS THE RESULTING PRODUCT, FROM THE REACTION MEDIUM SAID ADDUCT POSSESSING AT LEAST ONE COORDINATE BOND BETWEEN AN AMINO NITROGEN ATOM AND THE METAL MOIETY OF SAID METAL BOROHYDRIDE.
References Cited (Backward Citations)
US1932050A
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US1582256A
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US2826037A
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US2765617A
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US3014055A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |