Patent US2964551A successfully refreshed from Google Patents.
US2964551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of unsaturated hydrocarbons and methanol
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1958-03-06
•
Granted: 1960-12-13
•
Expires: 1978-03-06
Abstract
No abstract record available.
Inventors
- 👤 Woolcock James William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:53
CPC Classifications
C; C07; C07C; C07C11/00; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/943
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PROCESS FOR THE PRODUCTON OF UNSATURATED HYDROCARBONS AND METHANOL WHICH COMPRISES THE STEPS OF (1) SUBJECTING A FEEDSTOCK OF A MIXTURE OF HYDROCARBONS, AND HYDROGEN AND OXYGEN TO REACTION AT A TEMPERATURE IN EXCESS OF 1200*C. TO FORM A REACTION PRODUCT CONTAINING SUBSTANTIAL AMOUNTS OF ACETYLENE, ETHYLENE, METHANE, HYDROGEN, CARBON MONOXIDE, AND CARBON DIOXIDE WHEREIN THE HYDROCARBON:CARBON MONOXIDE VOLUME RATIO IS GREATER THAN 1:1, (2) TREATING THIS AID REACTION PRODUCT RO REMOVE SUCCESSIVELY CARBON DIOXIDE, ACETYLENE AND ETHYLENE, TO FORM A RESIDUAL GAS MIXTURE CONTAINING METHANE, HYDROGEN, AND CARBON MONOXIDE, WHEREIN THE HYDROGEN:CARBON MONOXIDE VOLUME RATIO IS GREATER THAN 1:1, (3) PASSING THIS SAID RESIDUAL GAS MIXTURE TO A METHANOL CONVERTER TO CATALYTICALLY CONVERT A SUBSTANTIAL AMOUNT OF
Claim 2
Dependent Claim
119 words
A PROCESS FOR THE PRODUCTON OF UNSATURATED HYDROCARBONS AND METHANOL WHICH COMPRISES THE STEPS OF (1) SUBJECTING A FEEDSTOCK OF A MIXTURE OF HYDROCARBONS, AND HYDROGEN AND OXYGEN TO REACTION AT A TEMPERATURE IN EXCESS OF 1200*C. TO FORM A REACTION PRODUCT CONTAINING SUBSTANTIAL AMOUNTS OF ACETYLENE, ETHYLENE, METHANE, HYDROGEN, CARBON MONOXIDE, AND CARBON DIOXIDE WHEREIN THE HYDROCARBON:CARBON MONOXIDE VOLUME RATIO IS GREATER THAN 1:1, (2) TREATING THIS AID REACTION PRODUCT RO REMOVE SUCCESSIVELY CARBON DIOXIDE, ACETYLENE AND ETHYLENE, TO FORM A RESIDUAL GAS MIXTURE CONTAINING METHANE, HYDROGEN, AND CARBON MONOXIDE, WHEREIN THE HYDROGEN:CARBON MONOXIDE VOLUME RATIO IS GREATER THAN 1:1, (3) PASSING THIS SAID RESIDUAL GAS MIXTURE TO A METHANOL CONVERTER TO CATALYTICALLY CONVERT A SUBSTANTIAL AMOUNT OF
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |