Patent US3567624A successfully refreshed from Google Patents.
US3567624A
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US
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Hydroforming with preliminary hydrodesulfurization
Assignee: Engelhard Minerals and Chemicals Corp
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Filing: 1968-07-17
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Granted: 1971-03-02
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Expires: 1988-07-17
Abstract
Abstract A COMBINATIONPROCESS FOR THE DESULFURIZATION AND CATALYTIC HYDROFORMING OF NORMALLY LIQUID HYDROCARBONS WHEREIN THE HYDROGEN REQUIRED FOR DESULFURIZATION IS OBTAINED FROM THE HYDROFORMER REACTION PRODUCT AND INTRODUCED INTO THE FEED TO THE DESULFURIZER BY DIFFUSION THROUGH A NON-POROUS HYDROGEN PERMEABLE EMBRANE.
Inventors
- 👤 William C Pfefferle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:08
CPC Classifications
C; C10; C10G; C10G49/00; C10G49/007
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |