US3014025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reducing and hydrogenating chemical compounds by reaction with solutions of alkali metal borohydrides
Assignee: Callery Chemical Co
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Filing: 1955-03-04
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Granted: 1961-12-19
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Expires: 1975-03-04
Abstract
No abstract record available.
Inventors
- 👤 Richard K Pearson
- 👤 George W Benz
- 👤 Roy M Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:19
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/09; C07C29/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF REDUCING COMPOUNDS OF THE GROUP CONSISTING OF ORGANIC COMPOUNDS AND SILICON ANALOGUES CONTAINING A REDUCIBLE FUNCTIONAL GROUP WHICH COMPRISES REACTING THE COMPOUND WITH A SOLUTION OF AN ALKALI METAL BOROHYDRIDE IN AN ETHER OF THE CLASS CH3O(C2H4O)XCH3, WHERE X IS AN INTEGER FROM 1 TO 4, AT A TEMPERATURE SUFFICIENT TO CAUSE A CHEMICAL REACTION BUT SUFFICIENTLY LOW THAT NONE OF THE REACTANTS OR REACTION PRODUCTS THERMALLY DECOMPOSE DURING THE REDUCTION.
Claim 2
Independent Claim
74 words
A METHOD OF REDUCING COMPOUNDS OF THE GROUP CONSISTING OF ORGANIC COMPOUNDS AND SILICON ANALOGUES CONTAINING A REDUCIBLE FUNCTIONAL GROUP WHICH COMPRISES REACTING THE COMPOUND WITH A SOLUTION OF AN ALKALI METAL BOROHYDRIDE IN AN ETHER OF THE CLASS CH3O(C2H4O)XCH3, WHERE X IS AN INTEGER FROM 1 TO 4, AT A TEMPERATURE SUFFICIENT TO CAUSE A CHEMICAL REACTION BUT SUFFICIENTLY LOW THAT NONE OF THE REACTANTS OR REACTION PRODUCTS THERMALLY DECOMPOSE DURING THE REDUCTION.
References Cited (Backward Citations)
US2683721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |