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US3293295A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for preparing amines from nitro compounds

Assignee: Standard Oil Co
•
Filing: 1963-08-28
•
Granted: 1966-12-20
•
Expires: 1983-08-28
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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 22:38
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)

US1237828A Cited
FR524827A Cited
US2129631A Cited
US3041377A Cited

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

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