Patent US2666733A successfully refreshed from Google Patents.
US2666733A
Expired / Lapsed
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Method of treating hydrocarbons
Assignee: Standard Oil Co
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Filing: 1950-04-27
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Granted: 1954-01-19
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Expires: 1970-04-27
Abstract
No abstract record available.
Inventors
- 👤 Warner E Scovill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:39
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/06; C10G25/09; C10G11/00; C10G11/14; C10G11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF TREATING HYDROCARBONS WHICH COMPRISES CONTACTING A LUBRICATING OIL IN THE LIQUID PHASE IN A CONTACT ZONE WITH A FINELY DIVIDED, ADSORBENT SILICA-ALUMINA CONTACT CATALYTIC MATERIAL, HAVING BOTH ADSORBENT AND CATALYTIC PROPERTIES AND A PARTICULE SIZE SUCH THAT ABOUT 95% OF THE PARTICLES PASS THROUGH A 200-MESH SCREEN, FOR DECOLORIZING SAID LUBRICATING OIL, SEPARATING SAID MATERIAL FROM THE DECOLORIZED OIL, CRACKING HYDROCARBONS IN A FLUID CATALYTIC CRACKING ZONE BY CONTACT WITH SAID SEPARATED CONTACT CATALYTIC MATERIAL, REGENERATING SAID CONTACT MATERIAL IN A FLUIDIZED REGENERATING ZONE, AND RECYCLING SAID REGENERATED CONTACT MATERIAL SUCCESSIVELY TO SAID CONTACT AND FLUID CATALYTIC CRACKING ZONES.
Claim 2
Independent Claim
102 words
A METHOD OF TREATING HYDROCARBONS WHICH COMPRISES CONTACTING A LUBRICATING OIL IN THE LIQUID PHASE IN A CONTACT ZONE WITH A FINELY DIVIDED, ADSORBENT SILICA-ALUMINA CONTACT CATALYTIC MATERIAL, HAVING BOTH ADSORBENT AND CATALYTIC PROPERTIES AND A PARTICULE SIZE SUCH THAT ABOUT 95% OF THE PARTICLES PASS THROUGH A 200-MESH SCREEN, FOR DECOLORIZING SAID LUBRICATING OIL, SEPARATING SAID MATERIAL FROM THE DECOLORIZED OIL, CRACKING HYDROCARBONS IN A FLUID CATALYTIC CRACKING ZONE BY CONTACT WITH SAID SEPARATED CONTACT CATALYTIC MATERIAL, REGENERATING SAID CONTACT MATERIAL IN A FLUIDIZED REGENERATING ZONE, AND RECYCLING SAID REGENERATED CONTACT MATERIAL SUCCESSIVELY TO SAID CONTACT AND FLUID CATALYTIC CRACKING ZONES.
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) | 1957-01-18 | 1957-07-20 | 1958-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-18 | 1961-07-20 | 1962-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-18 | 1965-07-20 | 1966-01-19 | $7700.00 | Window Closed / Lapsed |