US3244616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking of hydrocarbons with a catalyst composite comprising pre-sulfided palladium composited with a cracking support
Assignee: Gulf Research and Development Co
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Filing: 1963-08-09
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Granted: 1966-04-05
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Expires: 1983-08-09
Abstract
No abstract record available.
Inventors
- 👤 Dedinas Jonas
- 👤 William C Starnes
- 👤 Meredith M Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:21
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/14; B; B01; B01J; B01J21/00; B01J21/12; B01J23/00; B01J23/38; B01J23/40; B01J23/44; B01J37/00; B01J37/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN A HYDROCRACKING PROCESS IN WHICH A HYDROCARBON FEED STOCK WHICH IS LOW IN NITROGEN AND SUBSTANTIALLY FREE OF ASPHALTIC MATERIALS IS CONTACTED WITH HYDROGEN IN THE PRESENCE OF A HYDROGENATION CATALYST COMPOSITED WITH AN ACTIVE CRACKING SUPPORT, THAT IMPROVEMENT WHICH COMPRISES CONTACTING THE FEED STOCK WITH A CATALYST COMPRISING ESSENTIALLY PRE-SULFIDED PALLADIUM COMPOSITED WITH THE CRACKING SUPPORT.
Claim 2
Dependent Claim
58 words
IN A HYDROCRACKING PROCESS IN WHICH A HYDROCARBON FEED STOCK WHICH IS LOW IN NITROGEN AND SUBSTANTIALLY FREE OF ASPHALTIC MATERIALS IS CONTACTED WITH HYDROGEN IN THE PRESENCE OF A HYDROGENATION CATALYST COMPOSITED WITH AN ACTIVE CRACKING SUPPORT, THAT IMPROVEMENT WHICH COMPRISES CONTACTING THE FEED STOCK WITH A CATALYST COMPRISING ESSENTIALLY PRE-SULFIDED PALLADIUM COMPOSITED WITH THE CRACKING SUPPORT.
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |