Patent US2865838A successfully refreshed from Google Patents.
US2865838A
Expired / Lapsed
US
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Conditioning hydrocarbon stocks for catalytic reaction
Assignee: Sunoco Inc
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Filing: 1954-08-24
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Granted: 1958-12-23
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Expires: 1974-08-24
Abstract
No abstract record available.
Inventors
- 👤 Ivor W Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:03
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G17/00; C10G17/095; C10G25/00; C10G25/003; C10G55/00; C10G55/02; C10G55/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN THE CATALYTIC CONVERSION OF A PETROLEUM STOCK CONTAINING ORGANO-METALLIC COMPONENTS DELETERIOUS TO THE CATALYTST, THE STEPS WHICH COMPRISE CONTACTING SAID STOCK IN LIQUID PHASE SOLID PHOSPHORIC ACID CATALYST AT A TEMPERATURE IN THE RANGE OF FROM 50*F. TO 350*F., AND THEREAFTER DIRECTLY SUBJECTING SAID STOCK CONTAINING A REDUCED AMOUNT OF SAID DELETERIOUS ORGANO-METALLIC COMPONENTS TO A CATALYTIC CONVERSION OPERATION SELECTED FROM THE GROUP CONSISTING OF A CATALYTIC CRACKING OPERATION AND A CATALYTIC REFORMING OPERATION.
Claim 2
Dependent Claim
75 words
IN THE CATALYTIC CONVERSION OF A PETROLEUM STOCK CONTAINING ORGANO-METALLIC COMPONENTS DELETERIOUS TO THE CATALYTST, THE STEPS WHICH COMPRISE CONTACTING SAID STOCK IN LIQUID PHASE SOLID PHOSPHORIC ACID CATALYST AT A TEMPERATURE IN THE RANGE OF FROM 50*F. TO 350*F., AND THEREAFTER DIRECTLY SUBJECTING SAID STOCK CONTAINING A REDUCED AMOUNT OF SAID DELETERIOUS ORGANO-METALLIC COMPONENTS TO A CATALYTIC CONVERSION OPERATION SELECTED FROM THE GROUP CONSISTING OF A CATALYTIC CRACKING OPERATION AND A CATALYTIC REFORMING OPERATION.
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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |