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US2804489A
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Conversion of olefinic hydrocarbons to isomers containing a more centrally located double bond
Assignee: Universal Oil Products Co
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Filing: 1953-03-30
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Granted: 1957-08-27
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Expires: 1973-03-30
Abstract
No abstract record available.
Inventors
- 👤 Pines Herman
- 👤 Haensel Vladimir
- 👤 Kibort Vincetta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:57
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2562; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/947
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR CONVERTING AN OLEFINIC HYDROCARBON TO AN ISOMERIZATION PRODUCT THEREOF HAVING A MORE CENTRALLY LOCATED DOUBLE BOND IN THE CARBON ATOM CHAIN WHICH COMPRISES SUBJECTING SAID OLEFINIC HYDROCARBON TO ISOMERIZATION IN THE PRESENCE OF AN ALKALI METAL AND A HALOGEN-SUBSTITUTED HYDROCARBON PROMOTER AT REACTION CONDITIONS WHICH EFFECT SAID DOUBLE BOND POSITION ISOMERIZATION.
Claim 2
Dependent Claim
54 words
A PROCESS FOR CONVERTING AN OLEFINIC HYDROCARBON TO AN ISOMERIZATION PRODUCT THEREOF HAVING A MORE CENTRALLY LOCATED DOUBLE BOND IN THE CARBON ATOM CHAIN WHICH COMPRISES SUBJECTING SAID OLEFINIC HYDROCARBON TO ISOMERIZATION IN THE PRESENCE OF AN ALKALI METAL AND A HALOGEN-SUBSTITUTED HYDROCARBON PROMOTER AT REACTION CONDITIONS WHICH EFFECT SAID DOUBLE BOND POSITION ISOMERIZATION.
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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |