US2997485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reduction with hydrocarbontin hydrides
Assignee: Research Corp
•
Filing: 1958-07-17
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Granted: 1961-08-22
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Expires: 1978-07-17
Abstract
No abstract record available.
Inventors
- 👤 Henry G Kuivila
- 👤 Jr Oscar F Beumel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:57
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/06; C07C37/07; C07B; C07B31/00; C07C1/00; C07C1/26; C07C209/00; C07C209/30; C07C209/32; C07C209/36; C07C209/365; C07C209/42; C07C221/00; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/143; C07C2601/00; C07C2601/12; C07C2601/14; C07C2601/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN ORGANIC REDUCTION PROCESSES WHEREIN AN ORGANIC COMPOUND CONTAINING A REDUCIBLE FUNCTIONAL GROUP IS TREATED WITH A REDUCING AGENT TO REDUCE SAID FUNCTIONAL GROUP AND THEREBY PRODUCE AN ORGANIC COMPOUND CONTAINING A REDUCED FUNCTIONAL GROUP, THE IMPROVEMENT WHICH COMPRISES THE REDUCTION OF A FUNCTIONAL GROUP SELECTED FROM THE GROUP CONSISTING OF KETONE, ALDEHYDE, NITRO, AZO, AND ARALKYL HALIDE GROUPS BY SUBJECTING THE ORGANIC COMPOUND CONTAINING SAID FUNCTIONAL GROUP TO THE ACTION OF A HYDROCARBONTINE HYDRIDE IN AN INERT SOLVENT AND IN THE PRESENCE OF A NON-OXIDIZING ATMOSPHERE.
Claim 2
Dependent Claim
87 words
IN ORGANIC REDUCTION PROCESSES WHEREIN AN ORGANIC COMPOUND CONTAINING A REDUCIBLE FUNCTIONAL GROUP IS TREATED WITH A REDUCING AGENT TO REDUCE SAID FUNCTIONAL GROUP AND THEREBY PRODUCE AN ORGANIC COMPOUND CONTAINING A REDUCED FUNCTIONAL GROUP, THE IMPROVEMENT WHICH COMPRISES THE REDUCTION OF A FUNCTIONAL GROUP SELECTED FROM THE GROUP CONSISTING OF KETONE, ALDEHYDE, NITRO, AZO, AND ARALKYL HALIDE GROUPS BY SUBJECTING THE ORGANIC COMPOUND CONTAINING SAID FUNCTIONAL GROUP TO THE ACTION OF A HYDROCARBONTINE HYDRIDE IN AN INERT SOLVENT AND IN THE PRESENCE OF A NON-OXIDIZING ATMOSPHERE.
References Cited (Backward Citations)
US2418441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |