US2931843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrolytic conversion of hydrocarbons employing a molten metal as a heat transfer medium
Assignee: Sinclair Refining Co
•
Filing: 1956-01-11
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Granted: 1960-04-05
•
Expires: 1976-01-11
Abstract
No abstract record available.
Inventors
- 👤 Frank J Bruns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:24
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/34; C10G2400/00; C10G2400/24; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911; Y10S585/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD OF CONDUCTING CHEMICAL CONVERSIONS AT HIGH TEMPERATURES WHICH COMPRISES MAINTAINING A BODY OF MOLTEN METAL AT AN ELEVATED CONVERSION TEMPERATURE IN THE LOWR PORTION OF A REACTION ZONE, PASSING A FEED STOCK CONTAINING CARBON AND HYDROGEN INTO SAID BODY OF MOLTEN METAL WHEREBY CONVERSION TAKES PLACE, AND PRODUCT AND COKE AND TARS ARE PRODUCED, CONTINUOUSLY COLLECTING COKE AND TARS ON THE SURFACE OF SAID BODY OF METAL, REMOVING FROM THE REACTION ZONE AT THE LOCATION OF COLLECTION A PORTION OF THE ACCUMULATE COKE AND TARS TO PREVENT EXCESSIVE BUILD-UP, CONTINUOUSLY WITHDRAWING A PORTION OF SAID MOLTEN METAL, COOLING SAID WITHDRAWN PORTION OF METAL AND REINTRODUCING THE COOLED METAL INTO AN UPPER PORTION OF SAID REACTION ZONE BY SPRAYING SAID METAL DOWNWARDLY INTO CONTACT WITH RISING CONVERSION PRODUCTS WHEREBY SAID CONVERSION PRODUCTS ARE QUENCHED AND SCRUBBED OF ENTRAINED TARS AND COKE, AND RECOVERING SAID QUENCHED AND SCRUBBED PRODUCTS.
Claim 2
Independent Claim
149 words
A METHOD OF CONDUCTING CHEMICAL CONVERSIONS AT HIGH TEMPERATURES WHICH COMPRISES MAINTAINING A BODY OF MOLTEN METAL AT AN ELEVATED CONVERSION TEMPERATURE IN THE LOWR PORTION OF A REACTION ZONE, PASSING A FEED STOCK CONTAINING CARBON AND HYDROGEN INTO SAID BODY OF MOLTEN METAL WHEREBY CONVERSION TAKES PLACE, AND PRODUCT AND COKE AND TARS ARE PRODUCED, CONTINUOUSLY COLLECTING COKE AND TARS ON THE SURFACE OF SAID BODY OF METAL, REMOVING FROM THE REACTION ZONE AT THE LOCATION OF COLLECTION A PORTION OF THE ACCUMULATE COKE AND TARS TO PREVENT EXCESSIVE BUILD-UP, CONTINUOUSLY WITHDRAWING A PORTION OF SAID MOLTEN METAL, COOLING SAID WITHDRAWN PORTION OF METAL AND REINTRODUCING THE COOLED METAL INTO AN UPPER PORTION OF SAID REACTION ZONE BY SPRAYING SAID METAL DOWNWARDLY INTO CONTACT WITH RISING CONVERSION PRODUCTS WHEREBY SAID CONVERSION PRODUCTS ARE QUENCHED AND SCRUBBED OF ENTRAINED TARS AND COKE, AND RECOVERING SAID QUENCHED AND SCRUBBED PRODUCTS.
References Cited (Backward Citations)
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US1838029A
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US2431455A
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US2448922A
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US2543743A
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US2780587A
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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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |