US2870087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cracking process
Assignee: Phillips Petroleum Co
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Filing: 1956-07-02
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Granted: 1959-01-20
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Expires: 1976-07-02
Abstract
No abstract record available.
Inventors
- 👤 Forrest E Gilmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:15
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/16; B; B01; B01J; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/0007; B01J2208/00327; B01J2208/00336; B01J2208/0038; B01J2208/00477; B01J2208/00495; B01J2208/00504; B01J2208/00513
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN A PROCESS FOR THE PYROLYSIS OF HYDROCARBONS COMPRISING HEATING REFRACTORY PARTICULATE SOLIDS AND THEN CONTACTING HYDROCARBONS TO BE PYROLYZED WITH SAID HEATED SOLIDS, THE IMPROVEMENT IN HEATING SAOD SOLIDS WHICH COMPRISES INTRODUCING SAID SOLIDS INTO A HEAT EXCHANGE ZONE SO AS TO FORM THEREIN A MASS OF SOLIDS HAVING AN EXPOSED UPPER SURFACE DISPOSED BELOW THE UPPER END OF SAID HEAT EXCHANGE ZONE; GRAVITATING SAID SOLIDS THROUGH SAID HEAT EXCHANGE ZONE; INTRODUCING A COMBUSTIBLE FUEL INTO THE UPPER END PORTION OF SAID HEAT EXCHANGE ZONE; BURNING SAID FUEL AND DIRECTING THE ACCOMPANY FLAME ONTO SAID UPPER SURFACE OF SAID MASS OF SOLIDS; CONTACTING SAID SOLIDS WITH RESULTING HOT COMBUSTION GASES IN CONCURRENT FLOW; WITHFRAWING SAID COMBUSTION GASES FROM SAID HEAT EXCHANGE ZONE; AND WITHDRAWING RESULTING HEATED SOLIDS FROM SAID HEAT EXCHANGE ZONE.
Claim 2
Dependent Claim
133 words
IN A PROCESS FOR THE PYROLYSIS OF HYDROCARBONS COMPRISING HEATING REFRACTORY PARTICULATE SOLIDS AND THEN CONTACTING HYDROCARBONS TO BE PYROLYZED WITH SAID HEATED SOLIDS, THE IMPROVEMENT IN HEATING SAOD SOLIDS WHICH COMPRISES INTRODUCING SAID SOLIDS INTO A HEAT EXCHANGE ZONE SO AS TO FORM THEREIN A MASS OF SOLIDS HAVING AN EXPOSED UPPER SURFACE DISPOSED BELOW THE UPPER END OF SAID HEAT EXCHANGE ZONE; GRAVITATING SAID SOLIDS THROUGH SAID HEAT EXCHANGE ZONE; INTRODUCING A COMBUSTIBLE FUEL INTO THE UPPER END PORTION OF SAID HEAT EXCHANGE ZONE; BURNING SAID FUEL AND DIRECTING THE ACCOMPANY FLAME ONTO SAID UPPER SURFACE OF SAID MASS OF SOLIDS; CONTACTING SAID SOLIDS WITH RESULTING HOT COMBUSTION GASES IN CONCURRENT FLOW; WITHFRAWING SAID COMBUSTION GASES FROM SAID HEAT EXCHANGE ZONE; AND WITHDRAWING RESULTING HEATED SOLIDS FROM SAID HEAT EXCHANGE 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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |