Patent US2935428A successfully refreshed from Google Patents.
US2935428A
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Method and composition for subjecting metals to reducing conditions
Assignee: Callery Chemical Co
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Filing: 1954-03-30
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Granted: 1960-05-03
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Expires: 1974-03-30
Abstract
No abstract record available.
Inventors
- 👤 George F Huff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:21
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
IN A METHOD OF SUBJECTING A METALLIC ARTICLE TO REDUCING CONDITIONS THE STEP COMPRISING CONTACTING SAID ARTICLE WITH A MOLTEN MIXTURE OF AT LEAST TWO ALKALI METAL BOROHYDRIDES, SAID MIXTURE BEING OF RELATIVELY LOW MELTING POINT COMPARED WITH THE MELTING POINTS OF ITS CONSTITUENTS.
Claim 2
Dependent Claim
44 words
IN A METHOD OF SUBJECTING A METALLIC ARTICLE TO REDUCING CONDITIONS THE STEP COMPRISING CONTACTING SAID ARTICLE WITH A MOLTEN MIXTURE OF AT LEAST TWO ALKALI METAL BOROHYDRIDES, SAID MIXTURE BEING OF RELATIVELY LOW MELTING POINT COMPARED WITH THE MELTING POINTS OF ITS CONSTITUENTS.
Claim 3
Dependent Claim
18 words
A NEW COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 50 PERCENT BY WEIGHT EACH OF POTASSUIM BOROHYDRIDE AND LITHUIM BOROHYDRIDE.
Claim 4
Dependent Claim
18 words
A NEW COMPOSITION CONSISTING ESSENTIALLY OF ABOUT 50 PERCENT BY WEIGHT EACH OF POTASSUIM BOROHYDRIDE AND LITHUIM BOROHYDRIDE.
References Cited (Backward Citations)
US1724552A
Cited
US2377876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |