US2943995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two stage heavy oil coking process
Assignee: Sunoco Inc
•
Filing: 1958-04-15
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Granted: 1960-07-05
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Expires: 1978-04-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Mertes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:23
CPC Classifications
C; C10; C10G; C10G9/00; C10G11/00; C10G69/00; C10G69/02; C10G69/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A HYDROCARBON CONVERSION PROCESS WHICH COMPRISES COKING A HEAVY HYDROCARBON OIL, WHERBY VAPOROUS CONVISION PRODUCTS ARE PRODUCED, SEPARATING A GAS OIL FRACTION FROM THE VAPOROUS CONVERSION PRODUCTS, EXTRACTING SUBSTANTIALLY ALL OF THE AROMATIC PORTION OF SAID GAS OIL FRACTION, AND COKING SAID AROMATIC PORTION UNDER CONDITIONS SUBSTANTIALLY MORE SEVERE THAN THOSE OF THE FIRST COKING, WHERBY ADDITIONAL VAPOROUS CONVERSION PRODUCTS ARE PRODUCED.
Claim 2
Dependent Claim
62 words
A HYDROCARBON CONVERSION PROCESS WHICH COMPRISES COKING A HEAVY HYDROCARBON OIL, WHERBY VAPOROUS CONVISION PRODUCTS ARE PRODUCED, SEPARATING A GAS OIL FRACTION FROM THE VAPOROUS CONVERSION PRODUCTS, EXTRACTING SUBSTANTIALLY ALL OF THE AROMATIC PORTION OF SAID GAS OIL FRACTION, AND COKING SAID AROMATIC PORTION UNDER CONDITIONS SUBSTANTIALLY MORE SEVERE THAN THOSE OF THE FIRST COKING, WHERBY ADDITIONAL VAPOROUS CONVERSION PRODUCTS ARE PRODUCED.
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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |