US3274273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrohalogenation process
Assignee: Universal Oil Products Co
•
Filing: 1964-03-16
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Granted: 1966-09-20
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 George R Lester
- 👤 Cecelia J Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:17
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/10; B01J23/70; B01J23/72; B01J23/76; B01J23/78; B01J23/80; C; C07; C07C; C07C1/00; C07C1/26; C07C1/30; C07C2521/00; C07C2521/10; C07C2523/00; C07C2523/02; C07C2523/06; C07C2523/10; C07C2523/70; C07C2523/72; C07C2523/76; C07C2523/78; C07C2523/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD OF DEHYDROHALOGENATNG AN ALKYL HALIDE AND SIMULTANEOUSLY SEPARATNG HYDROGEN HALIDE FROM THE DEHYDROHALOGENATION REACTION MIXTURE AT REACTION CONDITIONS, WHICH METHOD COMPRISES CONTACTING THE ALKYL HALIDE WITH A HYDROGEN HALIDE SORPTIVE CATALYTIC COMPOSITE AT DEHYDROHALOGENATION CONDITIONS, SAID CATALYTIC COMPOSITE AT COMPRISING AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM AND ZINC, AND AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND CERIUM, SORBING THE HYDROGEN HALIDE ON THE CATALYTIC COMPOSITE AND RECOVERING AN OLEFINIC HYDROCARBON.
Claim 2
Independent Claim
85 words
A METHOD OF DEHYDROHALOGENATNG AN ALKYL HALIDE AND SIMULTANEOUSLY SEPARATNG HYDROGEN HALIDE FROM THE DEHYDROHALOGENATION REACTION MIXTURE AT REACTION CONDITIONS, WHICH METHOD COMPRISES CONTACTING THE ALKYL HALIDE WITH A HYDROGEN HALIDE SORPTIVE CATALYTIC COMPOSITE AT DEHYDROHALOGENATION CONDITIONS, SAID CATALYTIC COMPOSITE AT COMPRISING AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM AND ZINC, AND AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND CERIUM, SORBING THE HYDROGEN HALIDE ON THE CATALYTIC COMPOSITE AND RECOVERING AN OLEFINIC HYDROCARBON.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |