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US2672476A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalytic conversion of oxygenated organic compound mixtures

Assignee: Stanolind Oil and Gas Co
•
Filing: 1949-06-29
•
Granted: 1954-03-16
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Expires: 1969-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Karol L Hujsak
  • 👤 Mungen Richard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 11:31
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141; C07C45/41

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 178 words
A PROCESS FOR INCREASING THE PROPORTION OF AT LEAST ONE OF THE CLASSES OF COMPOUNDS DESIGNATED AS ALCOHOLS AND KETONES PRESENT IN A DILUTE AQUEOUS MIXTURE OF ALDEHYDES AND CARBOXYLIC ACIDS, WHICH COMPRISES CONTACTING SAID MIXTURE WITH A HYDROCARBON SYNTHESIS CATALYST IN THE PRESENCE OF A GAS CONSISTING ESSENTIALLY OF HYDROGEN AT PRESSURES WHICH VARY FROM ABOUT 15 TO ABOUT 100 P. S. I. AND AT TEMPERATURES OF FROM ABOUT 125* TO ABOUT 175* C., WHERE IT IS DESIRED TO INCREASE THE PROPORTION OF KETONES, TO A PRESSURE OF AT LEAST ABOUT 200 P. S. I. WITHIN THE ABOVE-RECITED TEMPERATURE RANGE WHERE IT IS DESIRED TO INCREASE THE QUANTITY OF ALCOHOLS, WHEREBY IN ACCOMPLISHING THE AFORESAID RESULTS FROM ABOUT 25 TO ABOUT 95 PER CENT OF THE ACIDS PRESENT IN SAID MIXTURE ARE CONVERTED INTO AT LEAST ONE OF SAID CLASSES OF COMPOUNDS, AND RECOVERING A MIXTURE IN WHICH AT LEAST ONE OF THE CLASSES OF COMPOUNDS DESIGNATED AS ALCOHOLS AND KETONES IS PRESENT IN INCREASED RATIO TO THE ALDEHYDES AND ACIDS ORIGINALLY PRESENT IN SAID AQUEOUS MIXTURE.
Claim 2
Dependent Claim 178 words
A PROCESS FOR INCREASING THE PROPORTION OF AT LEAST ONE OF THE CLASSES OF COMPOUNDS DESIGNATED AS ALCOHOLS AND KETONES PRESENT IN A DILUTE AQUEOUS MIXTURE OF ALDEHYDES AND CARBOXYLIC ACIDS, WHICH COMPRISES CONTACTING SAID MIXTURE WITH A HYDROCARBON SYNTHESIS CATALYST IN THE PRESENCE OF A GAS CONSISTING ESSENTIALLY OF HYDROGEN AT PRESSURES WHICH VARY FROM ABOUT 15 TO ABOUT 100 P. S. I. AND AT TEMPERATURES OF FROM ABOUT 125* TO ABOUT 175* C., WHERE IT IS DESIRED TO INCREASE THE PROPORTION OF KETONES, TO A PRESSURE OF AT LEAST ABOUT 200 P. S. I. WITHIN THE ABOVE-RECITED TEMPERATURE RANGE WHERE IT IS DESIRED TO INCREASE THE QUANTITY OF ALCOHOLS, WHEREBY IN ACCOMPLISHING THE AFORESAID RESULTS FROM ABOUT 25 TO ABOUT 95 PER CENT OF THE ACIDS PRESENT IN SAID MIXTURE ARE CONVERTED INTO AT LEAST ONE OF SAID CLASSES OF COMPOUNDS, AND RECOVERING A MIXTURE IN WHICH AT LEAST ONE OF THE CLASSES OF COMPOUNDS DESIGNATED AS ALCOHOLS AND KETONES IS PRESENT IN INCREASED RATIO TO THE ALDEHYDES AND ACIDS ORIGINALLY PRESENT IN SAID AQUEOUS MIXTURE.

References Cited (Backward Citations)

US1684640A Cited
US1979841A Cited
US2059495A Cited
US2171324A Cited
US2205184A Cited
US2516958A Cited
US2569380A Cited
US2516940A Cited
US2464916A Cited
US2543038A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1957-03-15 1957-09-14 1958-03-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1961-03-15 1961-09-14 1962-03-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1965-03-15 1965-09-14 1966-03-16 $7700.00 Window Closed / Lapsed

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