Patent US3216922A successfully refreshed from Google Patents.
US3216922A
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Hydrocarbon conversion catalysts and process for use of the same
Assignee: Universal Oil Products Co
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Filing: 1964-07-15
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Granted: 1965-11-09
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Expires: 1984-07-15
Abstract
No abstract record available.
Inventors
- 👤 Mark J O'hara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:55
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; B; B01; B01J; B01J21/00; B01J21/12; B01J23/00; B01J23/38; B01J23/40; B01J23/44; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J37/00; B01J37/02; B01J37/03; B01J37/036; B01J21/06; B01J21/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
A PROCESS FOR THE CONVERSION OF HYDROCARBONS WHICH COMPRISES DESTRUCTIVELY HYDROGENATING SAID HYDROCARBONS IN CONTACT WITH A CATALYTIC COMPOSITE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF THE METALS OF GROUPS VIB AND VIII OF THE PERIODIC TABLE SUPPORTED ON A MIXTURE OF SILICA AND ALUMINA, SAID SILICA BEING PRESENT IN A MOLE RATIO OF ABOUT 5 MOLES OF SILICA PER MOLE OF ALUMINA, THE SILICA BEING A SILICA HYDROGEL WHICH HAS BEEN AGED FOR A PERIOD OF AT LEAST ONE HOUR AT A PH IN THE RANGE OF FROM ABOUT 3 TO ABOUT 8 PRIOR TO COMPOSITING WITH SAID ALUMINA.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |