Patent US3598723A successfully refreshed from Google Patents.
US3598723A
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US
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Hydrocarbon hydroprocessing
Assignee: Union Carbide Corp
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Filing: 1969-06-30
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Granted: 1971-08-10
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Expires: 1989-06-30
Abstract
Abstract A PROCESS FOR HYDROTREATING (HYDROPROCESSING) HYDROCARBONS AND MIXTURES OF HYDROCARBONS UTILIZING A CATALYTIC COMPOSITE OF A POROUS CARRIER MATERIAL, A RHENIUM COMPONENT AND A TIN COMPONENT, IN WHICH PROCESS THE CHEMICAL CONSUMPTION OF HYDROGEN IS EFFECTED. A SPECIFIC EXAMPLE OF ONE SUCH CATALYST IS A COMPOSITE OF A CRYSTALLINE ALUMINOSILICATE, PARTICULARLY FAUJASITE, A RHENIUM COMPONENT, AND A TIN COMPONENT. SPECIFIC HYDROPROCESSES ARE DIRECTED TOWARD THE HYDROGENATION OF AROMATIC NUCLEI, HYDROCRACKING, THE RING-OPENING OF CYCLIC HYDROCARBONS, DESULFURIZATION, DENITRIFICATION AND HYDROGENATION.
Inventors
- 👤 Richard E Rausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:26
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/32; B01J23/36; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/16; C; C10; C10G; C10G49/00; C10G49/02; C10G49/08; Y; Y10; Y10S; Y10S208/00; Y10S208/02; Y10S585/00; Y10S585/929; Y10S585/94
Claims Analysis
Total Claims: 0
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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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |