Patent US3340322A successfully refreshed from Google Patents.
US3340322A
Expired / Lapsed
US
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Conversion of olefins
Assignee: Phillips Petroleum Co
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Filing: 1964-01-09
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Granted: 1967-09-05
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Expires: 1984-01-09
Abstract
No abstract record available.
Inventors
- 👤 Louis F Heckelsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:08
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/02; C07C6/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
76 words
A PROCESS FOR THE DISPROPORTIONATION OF AN OLEFIN HYDROCARBON WHICH COMPRISES CONTACTING SAID HYDROCARBON WITH A CATALYST ACTIVATED IN AN ATMOSPHERE AND UNDER CONDITIONS TO PERMIT ACTIVATION FOR DISPROPORTIONATION, SAID CATALYST COMPRISING A BASE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SILICA-ALUMINA, AND SILICA AND AT LEAST ONE SOLFIDE SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM SULFIDE AND TUNGSTEN SULFIDE UNDER CONDITIONS, INCLUDING CONDITIONS OF TEMPERATURE, PRESSURE AND CONTACT TIME SUITABLE FOR OBTAINING A DISPROPORTIONATED PRODUCT.
Claim 2
Dependent Claim
76 words
A PROCESS FOR THE DISPROPORTIONATION OF AN OLEFIN HYDROCARBON WHICH COMPRISES CONTACTING SAID HYDROCARBON WITH A CATALYST ACTIVATED IN AN ATMOSPHERE AND UNDER CONDITIONS TO PERMIT ACTIVATION FOR DISPROPORTIONATION, SAID CATALYST COMPRISING A BASE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SILICA-ALUMINA, AND SILICA AND AT LEAST ONE SOLFIDE SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM SULFIDE AND TUNGSTEN SULFIDE UNDER CONDITIONS, INCLUDING CONDITIONS OF TEMPERATURE, PRESSURE AND CONTACT TIME SUITABLE FOR OBTAINING A DISPROPORTIONATED PRODUCT.
Claim 3
Dependent Claim
24 words
THE PROCESS OF CLAIM 2 WHEREIN SAID BASE IS A HIGH ALUMINA BASE AND SAID TEMPERATURE IS IN THE RANGE OF 150 TO 600*F.
Claim 4
Dependent Claim
24 words
THE METHOD OF CLAIM 2 WHEREIN SAID BASE IS A HIGH SILICA BASE AND SAID TEMPERATURE IS IN THE RANGE OF 400 TO 1100*F.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |