US2897137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platinum catalyst
Assignee: MW Kellogg Co
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Filing: 1953-12-16
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Granted: 1959-07-28
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Expires: 1973-12-16
Abstract
No abstract record available.
Inventors
- 👤 Eugene F Schwarzenbek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:28
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/14; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B01J37/00; B01J37/02; B01J37/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A HYDROCARBON CONVERSION PROCESS WHICH COMPRISES CONTACTING A HYDROCARBON REACTANT UNDER CONVERSION CONDITIONS INCLUDING A TEMPERATURE OF ABOUT 600*F. TO ABOUT 1250*F., A PRESSURE OF ABOUT 1 ATMOSPHERE TO ABOUT 2000 P.S.I.G., AND A WEIGHT SPACE VELOCITY OF ABOUT 0.01 TO ABOUT 15, WITH A CONTACT MATERIAL COMPRISING PARTICLES OF A CATALYST CONTAINING ABOUT 1 TO ABOUT 25% BY WEIGHT OF PLATINUM SUPPORTED ON A CARRIER MATERIAL IN PHYSICAL ADMIXTURE WITH PARTICLES OF A CARRIER MATERIAL IN AN AMOUNT SUFFICIENT TO PROVIDE AN AVERGE PLATINUM CONCENTRATION OF ABOUT 0.05 TO ABOUT 0.95% BY WEIGHT OF THE MIXTURE.
Claim 2
Dependent Claim
97 words
A HYDROCARBON CONVERSION PROCESS WHICH COMPRISES CONTACTING A HYDROCARBON REACTANT UNDER CONVERSION CONDITIONS INCLUDING A TEMPERATURE OF ABOUT 600*F. TO ABOUT 1250*F., A PRESSURE OF ABOUT 1 ATMOSPHERE TO ABOUT 2000 P.S.I.G., AND A WEIGHT SPACE VELOCITY OF ABOUT 0.01 TO ABOUT 15, WITH A CONTACT MATERIAL COMPRISING PARTICLES OF A CATALYST CONTAINING ABOUT 1 TO ABOUT 25% BY WEIGHT OF PLATINUM SUPPORTED ON A CARRIER MATERIAL IN PHYSICAL ADMIXTURE WITH PARTICLES OF A CARRIER MATERIAL IN AN AMOUNT SUFFICIENT TO PROVIDE AN AVERGE PLATINUM CONCENTRATION OF ABOUT 0.05 TO ABOUT 0.95% BY WEIGHT OF THE MIXTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |