US3560587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen fluoride alkylation with reaction cooler and reaction soaker vessels
Assignee: Universal Oil Products Co
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Filing: 1969-04-14
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Granted: 1971-02-02
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Expires: 1989-04-14
Abstract
Abstract AN ISOPARAFFIN AND OLEFIN ADMIXTURE IS PASSED INTO A REACTION COOLER EQUIPPED WITH INTERNALLY PLACED HEAT EXCHANGE MEANS AND SPACED BAFFLE MEANS; THE ADMIXTURE IS CONTACTED WITH HYDROGEN FLUORIDE ALKYLATION CATALYST UNDER ISOTHERMAL REACTION CONDITIONS AND THE REACTION EFFUENT IS THEN PASSED INTO A REACTION SOAKER EQUIPPED WITH A NUMBER OF SPACED PERFORATED PLATES THEREIN WHERE FURTHER ALKYLATION TAKES PLACE. THE USE OF REACTION COOLER AND REACTION SOAKER VESSELS PROVIDES IMPROVED CONTROL OF THE REACTION TEMPERATURE AND MORE COMPLETE ALKYLATION REACTION.
Inventors
- 👤 William B Borst Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:31
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1206; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/922
Claims Analysis
Total Claims: 0
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |