US3213150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation with demethylated reformer offgas
Assignee: Phillips Petroleum Co
•
Filing: 1962-01-02
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Granted: 1965-10-19
•
Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 John T Cabbage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:02
CPC Classifications
C; C07; C07C; C07C4/00; C07C4/08; C07C4/12; C07C4/14; C07C4/16; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE METHOD COMPRISING PASSING AN IMPURE HYDROGEN STREAM CONSISTING ESSENTIALLY OF LIGHT DEMETHYLIZABLE HYDROCARBONS TO A REACTION ZONE CONTAINING A HYDROGENATION CATALYST, CONVERTING SAID HYDROCARBONS IN SAID ZONE TO METHANE, WITHDRAWING FROM SAID ZONE AN EFFLUENT STREAM CONSISTING ESSENTIALLY OF HYDROGEN AND METHANE, IMMEDIATELY MIXING SAID EFFLUENT WITH A HYDROCARBON FEED UTILIZING THE HEAT OF CONVERSION OF THE SAID DEMTHYLIZABLE HYDROCARBON TO RAISE THE TEMPERATURE OF THE HYDROCARBONS TO METHANE FEED TO THE INITIAL REACTION TEMPERATURE, PASSING THE RESULTING MIXTURE TO A HYDROGENATION ZONE, HYDROGENATING SAID HYDROCARBON FEED IN SAID HYDROGENATION ZONE, WITHDRAWING FROM SAID HYDROGENATION ZONE AN EFFUENT STREAM COMPRISING A HYDROGENATED PRODUCT, HYDROGEN, AND METHANE.
Claim 2
Independent Claim
107 words
THE METHOD COMPRISING PASSING AN IMPURE HYDROGEN STREAM CONSISTING ESSENTIALLY OF LIGHT DEMETHYLIZABLE HYDROCARBONS TO A REACTION ZONE CONTAINING A HYDROGENATION CATALYST, CONVERTING SAID HYDROCARBONS IN SAID ZONE TO METHANE, WITHDRAWING FROM SAID ZONE AN EFFLUENT STREAM CONSISTING ESSENTIALLY OF HYDROGEN AND METHANE, IMMEDIATELY MIXING SAID EFFLUENT WITH A HYDROCARBON FEED UTILIZING THE HEAT OF CONVERSION OF THE SAID DEMTHYLIZABLE HYDROCARBON TO RAISE THE TEMPERATURE OF THE HYDROCARBONS TO METHANE FEED TO THE INITIAL REACTION TEMPERATURE, PASSING THE RESULTING MIXTURE TO A HYDROGENATION ZONE, HYDROGENATING SAID HYDROCARBON FEED IN SAID HYDROGENATION ZONE, WITHDRAWING FROM SAID HYDROGENATION ZONE AN EFFUENT STREAM COMPRISING A HYDROGENATED PRODUCT, HYDROGEN, AND METHANE.
References Cited (Backward Citations)
US2995511A
Cited
US2901423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |