US2553355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing parasiticidal oils
Assignee: Standard Oil Development Co
•
Filing: 1947-08-29
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Granted: 1951-05-15
•
Expires: 1967-08-29
Abstract
No abstract record available.
Inventors
- 👤 Richard C Brandon
- 👤 Minor C K Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:24
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/02; C10G17/04; C10G17/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF PRODUCING A PARASITICIDAL OIL WHICH COMPRISES CLAY-TREATING A HIGHLY UNSTABLE CYCLE GAS OIL BOILING IN THE RANGE OF 350*-700* F., SAID CYCLE GAS OIL HAVING BEEN PRODUCED BY LOW PRESSURE STEAM CRACKING OF PETROLEUM GAS OIL AT 1100*-1500* F., THE CLAY-TREATING BEING CARRIED OUT BY CONTACTING THE CYCLE GAS OIL IN THE LIQUID PHASE WITH CLAY AT 400*-600* F. AND DISTILLING FROM THE THUS CLAY-TREATED CYCLE GAS OIL A DISTILLATE OF SUBSTANTIALLY ENHANCED STABILITY.
Claim 2
Independent Claim
77 words
A METHOD OF PRODUCING A PARASITICIDAL OIL WHICH COMPRISES CLAY-TREATING A HIGHLY UNSTABLE CYCLE GAS OIL BOILING IN THE RANGE OF 350*-700* F., SAID CYCLE GAS OIL HAVING BEEN PRODUCED BY LOW PRESSURE STEAM CRACKING OF PETROLEUM GAS OIL AT 1100*-1500* F., THE CLAY-TREATING BEING CARRIED OUT BY CONTACTING THE CYCLE GAS OIL IN THE LIQUID PHASE WITH CLAY AT 400*-600* F. AND DISTILLING FROM THE THUS CLAY-TREATED CYCLE GAS OIL A DISTILLATE OF SUBSTANTIALLY ENHANCED STABILITY.
References Cited (Backward Citations)
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US2189196A
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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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |