Patent US3269958A successfully refreshed from Google Patents.
US3269958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrorefining of petroleum crude oil and catalyst therefor
Assignee: Universal Oil Products Co
•
Filing: 1964-01-02
•
Granted: 1966-08-30
•
Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 John G Gatsis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:40
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/08; B01J37/082; B01J37/086; B01J37/02; B01J37/0201; C; C10; C10G; C10G2300/00; C10G2300/10; C10G2300/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD OF PREPARING A HYDROREFINING CATALYST WHICH COMPRISES THE STEPS OF: (A) INITIALLY FORMING A REFRACTORY INORGANIC OXIDE CARRIER MATERIAL, AND CALCINING SAID CARRIER MATERIAL AT A TEMPERATURE ABOVE ABOUT 300*C,; (B) IMPREGNATING THE CALCINED CARRIER MATERIAL WITH A DECOMPOSABLE ORGANO-METALLIC COMPLEX OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE METALS OF GROUPS V-B VI-B AND VIII OF THE PERIODIC TABLE; (C) DRYING THE IMPREGNATED CARRIER AT A TEMPERATURE BELOW ABOUT 150*C., AND AT WHICH TEMPERATURE THE DECOMPOSITION OF SAID COMPLEX IS AVOIDED; (D) THEREAFTER DECOMPOSING SAID COMPLEX IN THE PRESENCE OF A HYDROCARBON.
Claim 2
Independent Claim
97 words
A METHOD OF PREPARING A HYDROREFINING CATALYST WHICH COMPRISES THE STEPS OF: (A) INITIALLY FORMING A REFRACTORY INORGANIC OXIDE CARRIER MATERIAL, AND CALCINING SAID CARRIER MATERIAL AT A TEMPERATURE ABOVE ABOUT 300*C,; (B) IMPREGNATING THE CALCINED CARRIER MATERIAL WITH A DECOMPOSABLE ORGANO-METALLIC COMPLEX OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE METALS OF GROUPS V-B VI-B AND VIII OF THE PERIODIC TABLE; (C) DRYING THE IMPREGNATED CARRIER AT A TEMPERATURE BELOW ABOUT 150*C., AND AT WHICH TEMPERATURE THE DECOMPOSITION OF SAID COMPLEX IS AVOIDED; (D) THEREAFTER DECOMPOSING SAID COMPLEX IN THE PRESENCE OF A HYDROCARBON.
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |