US3751502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon isomerization process
Assignee: Universal Oil Products Co
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Filing: 1972-03-08
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Granted: 1973-08-07
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Expires: 1992-03-08
Abstract
Abstract ISOMERIZABLE HYDROCARBONS SUCH AS PARAFFINS, CYCLOPARAFFINS, OLEFINS AND ALKYL AROMATICS ARE ISOMERIZED BY UTILIZING A CATALYTIC COMPOSITE CONTAINING CATALYTICALLY EFFECTIVE AMOUNT OF A PLATINUM GROUP COMPONENT AND A GROUP IV-A METALLIC COMPONENT COMBINED WITH A CARRIER MATERIAL OF ALUMINA AND A FINELY DIVIDED CRYSTALLAINE ALUMINOSILICATE SUCH AS MORDENITE. ALSO DISCLOSED IS A CATALYTIC COMPOSITE COMPRISING A PLATINUM GROUP COMPONENT, A GROUP IV-A METALLIC COMPONENT AND A FRIEDELCRAFTS METAL HALIDE COMPONENT COMBINED WITH A CARRIER MATERIAL OF ALUMINA AND A FINELY DIVIDED CRYSTALLINE ALUMINOSILICATE.
Inventors
- 👤 J Hayes
- 👤 R Mitsche
- 👤 R Rausch
- 👤 F Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:12
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/095; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; B01J29/20; B01J29/22; C07; C07C; C07C5/00; C07C5/22; C07C5/2206; C07C5/226; C07C5/27; C07C5/2702; C07C5/2724; C07C5/2767; C07C5/277; C07C5/2791; C07C2523/00; C07C2523/14; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/18; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |