Patent US3708549A successfully refreshed from Google Patents.
US3708549A
Expired / Lapsed
US
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Stannane as a reducing agent
Assignee: M&T Chemicals Inc
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Filing: 1970-06-24
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Granted: 1973-01-02
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Expires: 1990-06-24
Abstract
Abstract The method of this invention for reducing organic substrates comprises reacting as reactants stannane, SnH4, and an organic substrate, maintaining said reactants together in a reaction mixture, and separating said reduced substrate from said reaction mixture.
Inventors
- 👤 G Reifenberg
- 👤 W Considine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:28
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/143; C07C1/00; C07C1/26; C07C29/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
11 words
The method of claim 1 in which the hydrocarbon is toluene.
References Cited (Backward Citations)
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US3375087A
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US3244752A
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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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |