Patent US3116338A successfully refreshed from Google Patents.
US3116338A
Expired / Lapsed
US
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Dehydrogenation of hydrocarbons
Assignee: Union Carbide Corp
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Filing: 1960-07-12
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Granted: 1963-12-31
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Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 Howard R Guest
- 👤 Ben W Kiff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:14
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/48; B01J23/50; B01J23/54; B01J23/66; B01J23/70; B01J23/72; C; C07; C07C; C07C5/00; C07C5/42; C07C5/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PROCESS WHICH COMPRISES CONTACTING A MIXTURE COMPRISING (A) A SATURATED CYCLOALIPHATIC HYDROCARBON HAVING A FIVE-TO-SEVEN-MEMBERED RING, (B) AN OXYGEN-CONTAINING GAS, AND (C) A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE ORGANIC SILICON HALIDES, THE LOWER ALKYL HALIDES, THE LOWER ALKYL PHOSPHITES, THE VOLATILE INROGANIC COMPOUNDS CONTAINING PHOSPHORUS AND CHLORINE, AND THE VOLATILE INORGANIC COMPOUNDS CONTAINING SULFUR AND OXYGEN; WITH A CATALYST SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER, SILVER OXIDE, CUPRIC OXIDE AND A MIXTURE OF SILVER OXIDE AND AN ALKALINE EARTH METAL OXIDE, AT A TEMPERATURE SUFFICIENT TO MAINTAIN SAID MIXTURE IN A VAPOR STATE, AND FOR A PERIOD OF TIME SUFFICIENT TO DEHYDROGENATE SAID SATURATED CYCLOALIPHATIC HYDROCARBON TO PRODUCE THE CORRESPONDING CYCLIC OLEFIN.
Claim 2
Dependent Claim
118 words
A PROCESS WHICH COMPRISES CONTACTING A MIXTURE COMPRISING (A) A SATURATED CYCLOALIPHATIC HYDROCARBON HAVING A FIVE-TO-SEVEN-MEMBERED RING, (B) AN OXYGEN-CONTAINING GAS, AND (C) A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE ORGANIC SILICON HALIDES, THE LOWER ALKYL HALIDES, THE LOWER ALKYL PHOSPHITES, THE VOLATILE INROGANIC COMPOUNDS CONTAINING PHOSPHORUS AND CHLORINE, AND THE VOLATILE INORGANIC COMPOUNDS CONTAINING SULFUR AND OXYGEN; WITH A CATALYST SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER, SILVER OXIDE, CUPRIC OXIDE AND A MIXTURE OF SILVER OXIDE AND AN ALKALINE EARTH METAL OXIDE, AT A TEMPERATURE SUFFICIENT TO MAINTAIN SAID MIXTURE IN A VAPOR STATE, AND FOR A PERIOD OF TIME SUFFICIENT TO DEHYDROGENATE SAID SATURATED CYCLOALIPHATIC HYDROCARBON TO PRODUCE THE CORRESPONDING CYCLIC OLEFIN.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |