Patent US2666732A successfully refreshed from Google Patents.
US2666732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating hydrocarbons with a double-function catalyst
Assignee: Standard Oil Co
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Filing: 1949-02-12
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Granted: 1954-01-19
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Expires: 1969-02-12
Abstract
No abstract record available.
Inventors
- 👤 Elliott B Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:20
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18; C10G25/00; C10G25/06; C10G25/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A METHOD OF TREATING HYDROCARBONS WHICH COMPRISES CONTACTING A LUBRICATING OIL IN THE LIQUID PHASE IN A CONTACT ZONE WITH A FIRST STEAM OF ADSORBENT SILICA-ALUMINA CONTACT CATALYTIC MATERIAL HAVING BOTH ADSORBENT AND CATALYTIC CRACKING PROPERTIES AND BEING IN FINELY DIVIDED POWDER FORM FOR DECOLORIZING SAID LUBRICATING OIL, CRACKING HYDROCARBONS IN A FLUID CATALYTIC CRACKING ZONE BY CONTACT WITH A SECOND STREAM OF ADSORBENT SILICA-ALUMINA CONTACT CATALYTIC MATERIAL LIKEWISE HAVING BOTH ADSORBENT AND CATALYTIC CRACKING PROPERTIES AND BEING IN A FINELY DIVIDED POWDER FORM, PASSING ALL OF THE SILICA-ALUMINA CONTACT CATALYTIC MATERIAL IN SAID FIRST AND SECOND STREAMS FROM SAID CONTACT AND CRACKING ZONES, RESPECTIVELY, DIRECTLY INTO AND THROUGH A FLUIDIZED REGENERATION ZONE FOR REGENERATION OF THE ADSORBENT AND CATALYTIC PROPERTIES OF THE CONTACT CATALYTIC MATERIAL IN BOTH SAID STREAMS, RECYCLING ONE PORTION OF SAID REGENERATED CONTACT CATALYTIC MATERIAL DIRECTLY TO THE CONTACT ZONE, AND RECYCLING THE REMAINDER OF SAID REGENERATED CONTACT CATALYTIC MATERIAL DIRECTLY TO THE FLUID CATALYTIC CRACKING ZONE.
Claim 2
Independent Claim
161 words
A METHOD OF TREATING HYDROCARBONS WHICH COMPRISES CONTACTING A LUBRICATING OIL IN THE LIQUID PHASE IN A CONTACT ZONE WITH A FIRST STEAM OF ADSORBENT SILICA-ALUMINA CONTACT CATALYTIC MATERIAL HAVING BOTH ADSORBENT AND CATALYTIC CRACKING PROPERTIES AND BEING IN FINELY DIVIDED POWDER FORM FOR DECOLORIZING SAID LUBRICATING OIL, CRACKING HYDROCARBONS IN A FLUID CATALYTIC CRACKING ZONE BY CONTACT WITH A SECOND STREAM OF ADSORBENT SILICA-ALUMINA CONTACT CATALYTIC MATERIAL LIKEWISE HAVING BOTH ADSORBENT AND CATALYTIC CRACKING PROPERTIES AND BEING IN A FINELY DIVIDED POWDER FORM, PASSING ALL OF THE SILICA-ALUMINA CONTACT CATALYTIC MATERIAL IN SAID FIRST AND SECOND STREAMS FROM SAID CONTACT AND CRACKING ZONES, RESPECTIVELY, DIRECTLY INTO AND THROUGH A FLUIDIZED REGENERATION ZONE FOR REGENERATION OF THE ADSORBENT AND CATALYTIC PROPERTIES OF THE CONTACT CATALYTIC MATERIAL IN BOTH SAID STREAMS, RECYCLING ONE PORTION OF SAID REGENERATED CONTACT CATALYTIC MATERIAL DIRECTLY TO THE CONTACT ZONE, AND RECYCLING THE REMAINDER OF SAID REGENERATED CONTACT CATALYTIC MATERIAL DIRECTLY TO THE FLUID CATALYTIC CRACKING ZONE.
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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 |