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
Abstract
No abstract record available.
Inventors
- 👤 Julian M Mavity
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:33
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 |