US3293295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing amines from nitro compounds
Assignee: Standard Oil Co
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Filing: 1963-08-28
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Granted: 1966-12-20
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Expires: 1983-08-28
Abstract
No abstract record available.
Inventors
- 👤 Edward A Swakon
- 👤 Field Edmund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:26
CPC Classifications
C; C07; C07C; C07C211/00; C07C211/43; C07C211/44; C07C211/45; C07C211/46; C07C209/00; C07C209/30; C07C209/32; C07C209/36; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS FOR PREPARING AN AMINE FROM THE CORRESPONDING NITRO SUBSTITUTED COMPOUND SELECTED FROM THE CLASS CONSISTING OF NITRO-SUBSTITUTED PARAFFIN HYDROCARBONS HAVING 1 TO 20 CARBON ATOMS, NITRO-SUBSTITUTED ALICYCLIC HYDROCARBONS, NITRO-SUBSTITUTED AROMATIC HYDROCARBONS, NITRO-SUBSTITUTED FURANS, NITRO-SUBSTITUTED THIOPHENES, NITRO-SUBSTITUTED ACRIDINE, NITRO-SUBSTITUTED CHLORINATED PARAFFIN HYDROCARBONS, NITRO-SUBSTITUTED CHLORINATED AROMATIC HYDROCARBONS, NNITRO-SUBSTITUTED CHLORINATED CYCLOHEXANE AND NITRO-SUBSTITUTED METHOXY-SUBSTITUTED AROMATIC HYDROCARBONS WHICH COMPRISES REDUCING ONLY THE NITRO GROUP WITH CARBON MONOXIDE AND WATER IN THE PRESENCE OF AN ALKALINE REACTION MEDIUM AT A TEMPERATURE IN THE RANGE OF 200 TO 350* C. AND A CARBON MONOXIDE PRESSURE OF FROM 50 TO 1,000 ATMOSPHERES.
Claim 2
Dependent Claim
97 words
A PROCESS FOR PREPARING AN AMINE FROM THE CORRESPONDING NITRO SUBSTITUTED COMPOUND SELECTED FROM THE CLASS CONSISTING OF NITRO-SUBSTITUTED PARAFFIN HYDROCARBONS HAVING 1 TO 20 CARBON ATOMS, NITRO-SUBSTITUTED ALICYCLIC HYDROCARBONS, NITRO-SUBSTITUTED AROMATIC HYDROCARBONS, NITRO-SUBSTITUTED FURANS, NITRO-SUBSTITUTED THIOPHENES, NITRO-SUBSTITUTED ACRIDINE, NITRO-SUBSTITUTED CHLORINATED PARAFFIN HYDROCARBONS, NITRO-SUBSTITUTED CHLORINATED AROMATIC HYDROCARBONS, NNITRO-SUBSTITUTED CHLORINATED CYCLOHEXANE AND NITRO-SUBSTITUTED METHOXY-SUBSTITUTED AROMATIC HYDROCARBONS WHICH COMPRISES REDUCING ONLY THE NITRO GROUP WITH CARBON MONOXIDE AND WATER IN THE PRESENCE OF AN ALKALINE REACTION MEDIUM AT A TEMPERATURE IN THE RANGE OF 200 TO 350* C. AND A CARBON MONOXIDE PRESSURE OF FROM 50 TO 1,000 ATMOSPHERES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |