Patent US2743215A successfully refreshed from Google Patents.
US2743215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Naphtha reforming reactions catalyzed by platinum and palladium catalysts
Assignee: MW Kellogg Co
•
Filing: 1951-08-15
•
Granted: 1956-04-24
•
Expires: 1971-08-15
Abstract
No abstract record available.
Inventors
- 👤 Earl W Riblett
- 👤 William P Burton
- 👤 Lefrancois Philip Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:22
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/60; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A PROCESS FOR REFORMING A NAPHTHA WHICH COMPRISES SUBJECTING THE NAPHTHA UNDER REFORMING CONDITIONS TO CONTACT WITH A CATALYST WHICH IS A PRODUCT PREPARED BY A PROCESS WHICH COMPRISES MIXING A VOLATILIZABLE SUBSTANCE OF THE GROUP CONSISTING OF MERCURY, ZINC, CADMIUM AND THEIR COMPOUNDS AND A MINOR PROPORTION OF COMPOUND CONTAINING A METAL OF THE GROUP CONSISTING OF PLATINUM AND PALLADIUM WITH A SLURRY OF A MAJOR PROPORTION OF AN ALUMINA CARRIER, AND CALCINING THE RESULTING MIXTURE AT A TEMPERATURE OF ABOUT 400* TO ABOUT 1500* F. FOR A PERIOD SUFFICIENT TO CONVERT THE SAID METAL TO A METALLIC RESIDUE ON THE ALUMINA CARRIER AND VOLATILIZE SUBSTANTIALLY ALL OF THE VOLATILIZABLE SUBSTANCE THEREFROM.
Claim 2
Dependent Claim
113 words
A PROCESS FOR REFORMING A NAPHTHA WHICH COMPRISES SUBJECTING THE NAPHTHA UNDER REFORMING CONDITIONS TO CONTACT WITH A CATALYST WHICH IS A PRODUCT PREPARED BY A PROCESS WHICH COMPRISES MIXING A VOLATILIZABLE SUBSTANCE OF THE GROUP CONSISTING OF MERCURY, ZINC, CADMIUM AND THEIR COMPOUNDS AND A MINOR PROPORTION OF COMPOUND CONTAINING A METAL OF THE GROUP CONSISTING OF PLATINUM AND PALLADIUM WITH A SLURRY OF A MAJOR PROPORTION OF AN ALUMINA CARRIER, AND CALCINING THE RESULTING MIXTURE AT A TEMPERATURE OF ABOUT 400* TO ABOUT 1500* F. FOR A PERIOD SUFFICIENT TO CONVERT THE SAID METAL TO A METALLIC RESIDUE ON THE ALUMINA CARRIER AND VOLATILIZE SUBSTANTIALLY ALL OF THE VOLATILIZABLE SUBSTANCE THEREFROM.
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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |