Patent US2852581A successfully refreshed from Google Patents.
US2852581A
Expired / Lapsed
US
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Process and apparatus for alkylation of hydrocarbons
Assignee: MW Kellogg Co
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Filing: 1955-05-31
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Granted: 1958-09-16
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Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:54
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1862; C; C07; C07C; C07C2/00; C07C2/54; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00121; B01J2219/00128; B01J2219/18; B01J2219/182
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
191 words
AN APPARATUS SUITABLE FOR CONDUCTING ALKYLATION REACTIONS WHICH COMPRISES A CONTRACTOR, MEANS FOR INTRODUCING AN ALKYLATION CATALYST AND AN ALKYLATABLE COMPOUND INTO THE LOWER PORTION THEREOF, MEANS ADJACENT THE TOP OF SAID CONTRACTOR FOR WITHDRAWING LIQUID FROM THE CONTACTOR, MIXING MEANS WITHIN THE CONTACTOR AND POSITIONED TO RECEIVE SAID ALKYLATION CATALYST AND ALKYLATABLE COMPOUND INTRODUCED INTO THE CONTACTOR, SAID MIXING MEANS ADAPTED TO EMULSIFY SAID ALKYLATION CATALYST AND ALKYLATABLE COMPOUND, MEANS FOR INTRODUCING AN ALKYLATING COMPOUND INTO SAID MIXING MEANS TO FORM A REACTION MIXTURE WITH SAID EMULSION, MEANS WITHIN SAID CONTACTOR ENCLOSING SIAD MIXING MEANS EXTENDING TO THE REGION OF THE TOP OF SAID CONTACTOR, MEANS FOR PASSING THE REACTION MIXTURE UPWARDLY WITHIN THE ENCLOSING MEANS, VENT MEANS IN THE LOWER PORTION OF SADI ENCLOSING MEANS FOR THE WITHDRAWAL OF LIQUID THEREFROM, VAPOR VENT MEANS IN THE UPPER PORTION OF SAID ENCLOSING MEANS FOR RELEASE OF VAPORS FROM THE ECLOSING MEANS, SAID VAPOR VENT MEANS LOCATED TO RELEASE VAPORS INTO A REGION REMOTE FROM SAID LIQUID WITHDRAWING MEANS ADJACENT THE TOP OF THE CONTACTOR AND VENT MEANS IN THE UPPER PORTION OF THE CONTACTOR FOR THE PASSAGE OF VAPORS THEREFROM.
Claim 2
Independent Claim
191 words
AN APPARATUS SUITABLE FOR CONDUCTING ALKYLATION REACTIONS WHICH COMPRISES A CONTRACTOR, MEANS FOR INTRODUCING AN ALKYLATION CATALYST AND AN ALKYLATABLE COMPOUND INTO THE LOWER PORTION THEREOF, MEANS ADJACENT THE TOP OF SAID CONTRACTOR FOR WITHDRAWING LIQUID FROM THE CONTACTOR, MIXING MEANS WITHIN THE CONTACTOR AND POSITIONED TO RECEIVE SAID ALKYLATION CATALYST AND ALKYLATABLE COMPOUND INTRODUCED INTO THE CONTACTOR, SAID MIXING MEANS ADAPTED TO EMULSIFY SAID ALKYLATION CATALYST AND ALKYLATABLE COMPOUND, MEANS FOR INTRODUCING AN ALKYLATING COMPOUND INTO SAID MIXING MEANS TO FORM A REACTION MIXTURE WITH SAID EMULSION, MEANS WITHIN SAID CONTACTOR ENCLOSING SIAD MIXING MEANS EXTENDING TO THE REGION OF THE TOP OF SAID CONTACTOR, MEANS FOR PASSING THE REACTION MIXTURE UPWARDLY WITHIN THE ENCLOSING MEANS, VENT MEANS IN THE LOWER PORTION OF SADI ENCLOSING MEANS FOR THE WITHDRAWAL OF LIQUID THEREFROM, VAPOR VENT MEANS IN THE UPPER PORTION OF SAID ENCLOSING MEANS FOR RELEASE OF VAPORS FROM THE ECLOSING MEANS, SAID VAPOR VENT MEANS LOCATED TO RELEASE VAPORS INTO A REGION REMOTE FROM SAID LIQUID WITHDRAWING MEANS ADJACENT THE TOP OF THE CONTACTOR AND VENT MEANS IN THE UPPER PORTION OF THE CONTACTOR FOR THE PASSAGE OF VAPORS THEREFROM.
Claim 3
Dependent Claim
115 words
AN ALKYLATION PROCESS WHICH COMPRISES INTRODUCING AN ALKYLATABLE HYDROCARBON AND AN ALKYLATION CATALYST INTO THE LOWER PORTION OF CONTACTING ZONE, EMULSIFYING SAID HYDROCARBON AND CATALYST, PASSING THE EMULSION UPWARDLY AT A HIGH VELOCITY THROUGH A CONFINED REACTION ZONE WITHIN SAID CONTACTING ZONE, INTRODUCING AN OLEFIN HYDROCARBON INTO THE EMULSION TO INITIATE THE ALKYLATION REACTION, PASSING EMULSION FROM THE REACTION ZONE INTO THE CONTACTING ZONE, VENTING VAPORS FROM THE REACTION ZONE INTO A CONFINED SECTION OF THE UPPER REGION OF THE CONTACTING ZONE, REMOVING EMULSION FROM THE UPPER REGION OF THE CONTACING ZONE AT A POINT REMOTE FROM SAID CONFINE SECTION OF SAID UPPER REGION OF THE CONTACTING ZONE AND VENTING VAPORS FROM THE CONTACTING ZONE.
Claim 4
Dependent Claim
115 words
AN ALKYLATION PROCESS WHICH COMPRISES INTRODUCING AN ALKYLATABLE HYDROCARBON AND AN ALKYLATION CATALYST INTO THE LOWER PORTION OF CONTACTING ZONE, EMULSIFYING SAID HYDROCARBON AND CATALYST, PASSING THE EMULSION UPWARDLY AT A HIGH VELOCITY THROUGH A CONFINED REACTION ZONE WITHIN SAID CONTACTING ZONE, INTRODUCING AN OLEFIN HYDROCARBON INTO THE EMULSION TO INITIATE THE ALKYLATION REACTION, PASSING EMULSION FROM THE REACTION ZONE INTO THE CONTACTING ZONE, VENTING VAPORS FROM THE REACTION ZONE INTO A CONFINED SECTION OF THE UPPER REGION OF THE CONTACTING ZONE, REMOVING EMULSION FROM THE UPPER REGION OF THE CONTACING ZONE AT A POINT REMOTE FROM SAID CONFINE SECTION OF SAID UPPER REGION OF THE CONTACTING ZONE AND VENTING VAPORS FROM THE CONTACTING ZONE.
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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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |