US3365513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of olefins
Assignee: Phillips Petroleum Co
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Filing: 1965-11-22
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Granted: 1968-01-23
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Louis F Heckelsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:50
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/06; B01J21/08; B01J23/00; B01J23/16; B01J23/24; B01J23/30; C; C07; C07C; C07C6/00; C07C6/02; C07C6/04; C07C2521/00; C07C2521/06; C07C2521/08; C07C2523/00; C07C2523/16; C07C2523/24; C07C2523/28; C07C2523/30; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PROCESS WHICH COMPRISES DISPROPORTIONATING AT LEAST ONE ALIPHATIC MONOOLEFIN HAVING FROM 3 TO 20 CARBON ATOMS PER MOLECULE TO FORM OLEFINS HAVING GREATER AND LESSER NUMBERS OF CARBON ATOMS PER MOLECULE BY CONTACTING SAID OLEFIN WITH A CATALYST ACTIVATED IN AN ATMOSPHERE COMPATIBLE WITH SAID CATALYST TO PERMIT ACTIVATION TO DISPROPORTIONATION, SAID CATALYST COMPRISING A SILICA CONTAINING BASE WHEREIN THE AMOUNT OF ANY ALUMINA IN SAID BASE IS LESS THAN A PREPONDERANT AMOUNT AND AT LEAST ONE OXIDE SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM OXIDE AND TUNGSTEN OXIDE UNDER CONDITIONS, INCLUDING CONDITIONS OF TEMPERATURE, PRESSURE AND CONTACT TIME, SUITABLE FOR OBTAINING A DISPROPORTIONATED PRODUCT SAID TEMPERATURE BEING IN THE RANGE OF 4001100*F.
Claim 2
Dependent Claim
114 words
A PROCESS WHICH COMPRISES DISPROPORTIONATING AT LEAST ONE ALIPHATIC MONOOLEFIN HAVING FROM 3 TO 20 CARBON ATOMS PER MOLECULE TO FORM OLEFINS HAVING GREATER AND LESSER NUMBERS OF CARBON ATOMS PER MOLECULE BY CONTACTING SAID OLEFIN WITH A CATALYST ACTIVATED IN AN ATMOSPHERE COMPATIBLE WITH SAID CATALYST TO PERMIT ACTIVATION TO DISPROPORTIONATION, SAID CATALYST COMPRISING A SILICA CONTAINING BASE WHEREIN THE AMOUNT OF ANY ALUMINA IN SAID BASE IS LESS THAN A PREPONDERANT AMOUNT AND AT LEAST ONE OXIDE SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM OXIDE AND TUNGSTEN OXIDE UNDER CONDITIONS, INCLUDING CONDITIONS OF TEMPERATURE, PRESSURE AND CONTACT TIME, SUITABLE FOR OBTAINING A DISPROPORTIONATED PRODUCT SAID TEMPERATURE BEING IN THE RANGE OF 4001100*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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |