US3346659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of conjugated diolefines
Assignee: Distillers Co Yeast Ltd
•
Filing: 1964-06-02
•
Granted: 1967-10-10
•
Expires: 1984-06-02
Abstract
No abstract record available.
Inventors
- 👤 Barclay John Lynn
- 👤 Gasson Edward James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:44
CPC Classifications
B; B01; B01J; B01J21/00; B01J23/00; B01J23/16; B01J23/18; B01J23/20; B01J23/22; B01J23/24; B01J23/26; B01J23/70; B01J23/76; B01J23/84; B01J23/843; B01J23/8435; C; C07; C07C; C07C5/00; C07C5/42; C07C5/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR THE PRODUCTION OF A CONJUGATED DIOLEFINE WHICH COMPRISES REACTING A MONO OLEFINE, THE MOLECULE OF WHICH CONTAINS A CHAIN OF NOT LESS THAN 4 CARBON ATOMS IN THE VAPOUR PHASE WITH HALOGEN-FREE MOLECULAR OXYGEN OVER AN OXIDE COMPOSITION CONSISTING ESSENTIALLY OF THE OXIDES OF ANTIMONY AND A METAL SELECTED FROM THE GROUP CONSISTING OF VANADIUM, CHROMIUM, COBALT, COPPER, NICKEL, ZINC, GALLIUM, GERMANIUM, ARSENIC, SELENIUM, RUBIDIUM, YTTRIUM, ZIRCONIUM, IRIDIUM, PLATINUM, THROIUM, THALLIUM, BISMUTH, NIOBIUM, RUTHENIUM, RHODIUM, SILVER, INDIUM, TANTALUM, AND OSMIUM AND MIXTURES THEREOF AS CATALYST.
Claim 2
Dependent Claim
88 words
A PROCESS FOR THE PRODUCTION OF A CONJUGATED DIOLEFINE WHICH COMPRISES REACTING A MONO OLEFINE, THE MOLECULE OF WHICH CONTAINS A CHAIN OF NOT LESS THAN 4 CARBON ATOMS IN THE VAPOUR PHASE WITH HALOGEN-FREE MOLECULAR OXYGEN OVER AN OXIDE COMPOSITION CONSISTING ESSENTIALLY OF THE OXIDES OF ANTIMONY AND A METAL SELECTED FROM THE GROUP CONSISTING OF VANADIUM, CHROMIUM, COBALT, COPPER, NICKEL, ZINC, GALLIUM, GERMANIUM, ARSENIC, SELENIUM, RUBIDIUM, YTTRIUM, ZIRCONIUM, IRIDIUM, PLATINUM, THROIUM, THALLIUM, BISMUTH, NIOBIUM, RUTHENIUM, RHODIUM, SILVER, INDIUM, TANTALUM, AND OSMIUM AND MIXTURES THEREOF AS CATALYST.
References Cited (Backward Citations)
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Cited
US3094565A
Cited
US3207806A
Cited
US3159688A
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US3207807A
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US3257474A
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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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |