Proportionation of olefins
Abstract
Abstract A PROCESS FOR PRODUCING INTERMEDIATE MOLECULAR WEIGHT OLEFINS FROM MIXTURES OF HIGHER AND LOWER MOLECULAR WEIGHT OLEFINS BY PROPORTIONATING A MIXTURE OF SAID HIGHER AND LOWER MOLECULAR WWEIGHT OLEFINS OVER A MOLYBDENUM OXIDE, TUNGSTEN OXIDE, OR MIXED MOLYBDENUM OXIDE-TUNGSTEN OXIDE CATALYST AT 150*C. TO 220*C., RECOVERING THE PRODUCT WHICH INCLUDES A MAJOR CONSTITUENT INTERMEDIATE MOLECULAR WEIGHT OLEFINS NOT PRESENT IN THE FEED, SEPARATING THE MIXTURE TO PRODUCE AN INTERMEDIATE MOLECULAR WEIGHT OLEFIN PRODUCT AND A MIXTURE OF HIGHER AND LOWER MOLECULAR WEIGHT OLEFINS WHICH ARE RECYCLED TO THE PROPORTIONATION STAGE IN MIXTURE WITH ADDITIONAL HIGHER AND LOWER MOLECULAR WEIGHT OLEFINS IN DISCLOSED. CABON MONOXIDE MAY BE PASSED THROUGH THE PROPORTIONATION REACTOR WITH THE MIXED OLEFIN FEED STOCK.
Inventors
- 👤 Frederick W Steffgen
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |