Patent US3749752A successfully refreshed from Google Patents.
US3749752A
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Olefin hydroisomerization process
Assignee: Universal Oil Products Co
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Filing: 1971-02-19
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Granted: 1973-07-31
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Expires: 1991-02-19
Abstract
Abstract OLEFINIC HYDROCARBONS ARE HYDROISOMERIZED TO A MORE BRANCHED CHAIN PARAFFIN BY CONTACTING THE OLEFIN, AT HYDROISOMERIZATION CONDITIONS, WHICH A CATALYST COMPOSITE CONTAINING A PLATINUM GROUP COMPONENT AND A REHENIUM COMPONENT COMBINED WITH A CARRIER MATERIAL CONTAINING ALUMINA AND FINELY-DIVIDED MORDENITE PREPARED BY DISTRIBUTING THE MORDENITE IN AN ALUMINUM SOL AND GELLING THE RESULTANT MIXTURE.
Inventors
- 👤 E Pollitzer
- 👤 R Mitsche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:53
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/13; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; B01J29/26; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/42; C07C2523/44; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
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References Cited (Backward Citations)
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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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |