US2969394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination alkylation and dehydrogenation process
Assignee: Universal Oil Products Co
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Filing: 1956-10-30
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Granted: 1961-01-24
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Expires: 1976-10-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:23
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/24; C07C209/26; C07C209/30; C07C209/32; C07C209/36; C07C211/00; C07C211/43; C07C211/44; C07C211/45; C07C211/46; C07C213/00; C07C213/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A COMBINATION PROCESS WHICH COMPRISES REDUCTIVELY ALKYLATING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC AMINO COMPOUNDS, AROMATIC NITRO COMPOUNDS AND AROMATIC AMINONITRO COMPOUNDS WITH A KETONE, DURING WHICH AN ALCOHOL IS INHERENTLY FORMED, SEPARATING FROM THE EFFLUENT PRODUCTS OF THE REDUCTIVE ALKYLATION AN ALCOHOL FRACTION CONTAMINATED WITH AN AMINO COMPOUND, TREATING SAID FRACTION TO SEPARATE ALCOHOL FROM AMINO COMPOUND, RECOVERING AN ALCOHOL FRACTION SUBSTANTIALLY FREE FROM AMINO COMPOUND AND DEHYDROGENATING THE THUS SEPARATED ALCOHOL TO A KETONE, AND SUPPLYING SAID KETONE TO THE AFORESAID REDUCTIVE ALKYLATION.
Claim 2
Dependent Claim
88 words
A COMBINATION PROCESS WHICH COMPRISES REDUCTIVELY ALKYLATING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC AMINO COMPOUNDS, AROMATIC NITRO COMPOUNDS AND AROMATIC AMINONITRO COMPOUNDS WITH A KETONE, DURING WHICH AN ALCOHOL IS INHERENTLY FORMED, SEPARATING FROM THE EFFLUENT PRODUCTS OF THE REDUCTIVE ALKYLATION AN ALCOHOL FRACTION CONTAMINATED WITH AN AMINO COMPOUND, TREATING SAID FRACTION TO SEPARATE ALCOHOL FROM AMINO COMPOUND, RECOVERING AN ALCOHOL FRACTION SUBSTANTIALLY FREE FROM AMINO COMPOUND AND DEHYDROGENATING THE THUS SEPARATED ALCOHOL TO A KETONE, AND SUPPLYING SAID KETONE TO THE AFORESAID REDUCTIVE ALKYLATION.
References Cited (Backward Citations)
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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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |