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US2584102A Expired / Lapsed US ⏱️ 0.0 years remaining

Supported phosphoric acid catalyst and its preparation

Assignee: Universal Oil Products Co
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Filing: 1949-10-17
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Granted: 1952-02-05
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Expires: 1969-10-17
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Abstract

No abstract record available.

Inventors

  • 👤 Julian M Mavity

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:39
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/14; C07C2/18; C07C2527/00; C07C2527/14; C07C2527/16; C07C2527/167; C07C2527/173

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 95 words
A PROCESS FOR IMPROVING THE CATALYTIC ACTIVITY OF A CALCINED COMPOSITE OF AN ACID OF PHOSPHORUS AND A SOLID SUPPORTING MATERIAL WHICH COMPRISES TREATING SAID COMPOSITE WITH FROM ABOUT 1 TO ABOUT 10% BY WEIGHT OF A VOLATILE HALOGEN COMPOUND OF PHOSPHORUS SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS PENTACHLORIDE, PHOSPHORUS OXYCLORIDE AND PHOSPHORUS TRICHLORIDE, AND FURTHER CALCINING THE RESULTANT COMPOSITE AT A TEMPERATURE OF FROM ABOUT 100* TO ABOUT 550* C. TO FORM A SOLID CATALYTIC MATERIAL WITH GREATER HYDROCARBON CONVERSION ACTIVITY THAN THAT OF THE ORIGINAL CALCINED COMPOSITE OF PHOSPHORIC ACID AND CARRIER.
Claim 2
Dependent Claim 95 words
A PROCESS FOR IMPROVING THE CATALYTIC ACTIVITY OF A CALCINED COMPOSITE OF AN ACID OF PHOSPHORUS AND A SOLID SUPPORTING MATERIAL WHICH COMPRISES TREATING SAID COMPOSITE WITH FROM ABOUT 1 TO ABOUT 10% BY WEIGHT OF A VOLATILE HALOGEN COMPOUND OF PHOSPHORUS SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS PENTACHLORIDE, PHOSPHORUS OXYCLORIDE AND PHOSPHORUS TRICHLORIDE, AND FURTHER CALCINING THE RESULTANT COMPOSITE AT A TEMPERATURE OF FROM ABOUT 100* TO ABOUT 550* C. TO FORM A SOLID CATALYTIC MATERIAL WITH GREATER HYDROCARBON CONVERSION ACTIVITY THAN THAT OF THE ORIGINAL CALCINED COMPOSITE OF PHOSPHORIC ACID AND CARRIER.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-02-04 1955-08-06 1956-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-02-04 1959-08-06 1960-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-02-04 1963-08-06 1964-02-05 $7700.00 Window Closed / Lapsed

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