US3557022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon isomerization catalyst
Assignee: Universal Oil Products Co
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Filing: 1969-07-02
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Granted: 1971-01-19
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Expires: 1989-07-02
Abstract
Abstract ISOMERIZABLE HYDROCARBONS ARE ISOMERIZED USING A CATALYTIC COMPOSITE COMPRISING A COMBINATION OF A TIN COMPONENT AND A RHENIUM COMPONENT WITH A POROUS CARRIER MATERIAL. A CATALYTIC COMPOSITE A TIN COMPONENT, A RHENIUM COMPONENT, AND A FRIEDEL-CRAFTS METAL HALIDE COMPONENT COMBINED WITH A REFRACTORY INORGANIC OXIDE IS ALSO DISCLOSED.
Inventors
- 👤 Richard E Rausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:48
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C5/2791; B; B01; B01J; B01J23/00; B01J23/02; B01J23/04; B01J23/16; B01J23/32; B01J23/36; C07C5/23; C07C5/25; C07C5/2506; C07C5/2556; C07C5/2702; C07C5/2724; C07C5/2729; C07C5/2732; C07C5/2754; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y02P20/582; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |