Patent US3296330A successfully refreshed from Google Patents.
US3296330A
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Olefin disproportionation
Assignee: Phillips Petroleum Co
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Filing: 1962-04-16
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Granted: 1967-01-03
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Fred T Sherk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:50
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/02; C07C6/04; C07C11/00; C07C11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A PROCESS FOR THE DISPROPORTIONATION OF AN ACYCLIC OLEFIN HYDROCARBON, WHICH COMPRISES: CONTACTING SAID HYDROCARBON WITH A CATALYST COMPRISING OXIDES OF MOLYBDENUM AND ALUMINUM IN A FIRST REACTION ZONE UNDER CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 250 TO 450*F. TO PRODUCE A FIRST DISPROPORTIONATED PRODUCT; PASSING SAID FIRST DISPROPORTIONATED PRODUCT INTO A SEPARATION ZONE; SEPARATING SAID PRODUCT ITNO A RELATIVELY LOW MOLECULAR WEIGHT FRACTION, AN INTERMEDITATE MOLECUALR WEIGHT FRACTION, AND A RELATIVELY HIGH MOLECULAR WEIGHT FRACTION; RECOVERING SAID RELATIVELY LOW MOLECULAR WEIGHT FRACTION AS A FIRST PRODUCT; RECOVERING SAID RELATIVELY HIGH MOLECULAR WEIGHT FRACTION AS A SECOND PRODUCT; CONTACTING SAID INTERMEDIATE MOLECULAR WEIGHT FRACTION WITH A CATALYST COMPRISING OXIDES OF MOLYBDENUM AND ALUMINUM IN A SECOND REACTION ZONE UNDER CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 150 TO 400*F. TO PRODUCE A SECOND DISPROPORTIONATED PRODUCT COMPRISING ADDITIONAL RELATIVELY LOW MOLECULAR WEIGHT FRACTION AND ADDITIONAL RELATIVELY HIGH MOLECULAR WEIGHT FRACTION; AND PASSING SAID SECOND DISPROPORTIONATED PRODUCT INTO SAID SEPARATION ZONE.
Claim 2
Dependent Claim
162 words
A PROCESS FOR THE DISPROPORTIONATION OF AN ACYCLIC OLEFIN HYDROCARBON, WHICH COMPRISES: CONTACTING SAID HYDROCARBON WITH A CATALYST COMPRISING OXIDES OF MOLYBDENUM AND ALUMINUM IN A FIRST REACTION ZONE UNDER CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 250 TO 450*F. TO PRODUCE A FIRST DISPROPORTIONATED PRODUCT; PASSING SAID FIRST DISPROPORTIONATED PRODUCT INTO A SEPARATION ZONE; SEPARATING SAID PRODUCT ITNO A RELATIVELY LOW MOLECULAR WEIGHT FRACTION, AN INTERMEDITATE MOLECUALR WEIGHT FRACTION, AND A RELATIVELY HIGH MOLECULAR WEIGHT FRACTION; RECOVERING SAID RELATIVELY LOW MOLECULAR WEIGHT FRACTION AS A FIRST PRODUCT; RECOVERING SAID RELATIVELY HIGH MOLECULAR WEIGHT FRACTION AS A SECOND PRODUCT; CONTACTING SAID INTERMEDIATE MOLECULAR WEIGHT FRACTION WITH A CATALYST COMPRISING OXIDES OF MOLYBDENUM AND ALUMINUM IN A SECOND REACTION ZONE UNDER CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 150 TO 400*F. TO PRODUCE A SECOND DISPROPORTIONATED PRODUCT COMPRISING ADDITIONAL RELATIVELY LOW MOLECULAR WEIGHT FRACTION AND ADDITIONAL RELATIVELY HIGH MOLECULAR WEIGHT FRACTION; AND PASSING SAID SECOND DISPROPORTIONATED PRODUCT INTO SAID SEPARATION 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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |