US3218368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of unsaturated hydrocarbons
Assignee: Distillers Co Yeast Ltd
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Filing: 1962-08-20
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Granted: 1965-11-16
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Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Neale Roderick Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:22
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/48; B; B01; B01J; B01J23/00; B01J23/16; B01J23/20; B01J23/22; B01J23/24; B01J23/26; B01J23/70; B01J23/76; B01J23/84; B01J23/847; B01J23/8472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PROCESS FOR THE PRODUCTION OF AN ALKENE WHICH COMPRISES REACTING AN ALKANE CONTAINING AT LEAST TWO CARBON ATOMS AT A TEMPERATURE OF FROM ABOUT 400 TO ABOUT 650*C. IN THE VAPOR PHASE FOR A CONTACT TIME OF FROM ABOUT ONE TO ABOUT THIRTY SECONDS WITH MOLECULAR OXYGEN OVER AN OXIDATION CATALYST SELECTED FROM THE GROUP CONSISTING OF VANADATES OF TIN, COBALT, CHROMINUM, MAGANESE, URANIUM, TUNGSTEN, LEAD, BISMUTH AND ZINC TO PRODUCE THE CORRESPONDING ALKENE.
Claim 2
Dependent Claim
75 words
A PROCESS FOR THE PRODUCTION OF AN ALKENE WHICH COMPRISES REACTING AN ALKANE CONTAINING AT LEAST TWO CARBON ATOMS AT A TEMPERATURE OF FROM ABOUT 400 TO ABOUT 650*C. IN THE VAPOR PHASE FOR A CONTACT TIME OF FROM ABOUT ONE TO ABOUT THIRTY SECONDS WITH MOLECULAR OXYGEN OVER AN OXIDATION CATALYST SELECTED FROM THE GROUP CONSISTING OF VANADATES OF TIN, COBALT, CHROMINUM, MAGANESE, URANIUM, TUNGSTEN, LEAD, BISMUTH AND ZINC TO PRODUCE THE CORRESPONDING ALKENE.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |