US3249650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isoparaffin alkylation process
Assignee: Universal Oil Products Co
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Filing: 1963-10-18
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Granted: 1966-05-03
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 Ellsworth R Fenske
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:05
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
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN IMPROVED PROCESS FOR THE PRODUCTION OF AN ISOPARAFFIN-OLEFIN REACTION PRODUCT WHICH COMPRISES PASSING AN ISOPARAFFIN-OLEFIN HYDROCARBON STREAM IN ADMIXTURE WITH HYDROGEN FLUORIDE CATALYST TO AN ALKYLATION REACTOR, CONTINUOUSLY WITHDRAWING FROM SAID REACTOR AT LEAST A PORTION OF THE HYDROCARBON-HYDROGEN FLUORIDE MIXTURE CONTAINED THEREIN, ADMIXING THE SAME WITH RECYCLE SETTLED HYDROGEN FLUORIDE AS HEREINAFTER SET FORTH, EMULSIFYING AND PASSING AT LEAST A PORTION OF SAID RESULTANT MIXTURE BACK TO THE REACTOR, PASSING THE BALANCE OF SAID EMULSIFIED MIXTURE TO A LOWER SECTION OF A VERTICAL MIXTURE-SETTLER FOR
Claim 2
Dependent Claim
87 words
AN IMPROVED PROCESS FOR THE PRODUCTION OF AN ISOPARAFFIN-OLEFIN REACTION PRODUCT WHICH COMPRISES PASSING AN ISOPARAFFIN-OLEFIN HYDROCARBON STREAM IN ADMIXTURE WITH HYDROGEN FLUORIDE CATALYST TO AN ALKYLATION REACTOR, CONTINUOUSLY WITHDRAWING FROM SAID REACTOR AT LEAST A PORTION OF THE HYDROCARBON-HYDROGEN FLUORIDE MIXTURE CONTAINED THEREIN, ADMIXING THE SAME WITH RECYCLE SETTLED HYDROGEN FLUORIDE AS HEREINAFTER SET FORTH, EMULSIFYING AND PASSING AT LEAST A PORTION OF SAID RESULTANT MIXTURE BACK TO THE REACTOR, PASSING THE BALANCE OF SAID EMULSIFIED MIXTURE TO A LOWER SECTION OF A VERTICAL MIXTURE-SETTLER FOR
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |