Patent US2903344A successfully refreshed from Google Patents.
US2903344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylation apparatus
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-01-05
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Granted: 1959-09-08
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Expires: 1976-01-05
Abstract
No abstract record available.
Inventors
- 👤 Walter F Rollman
- 👤 Donald L Baeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:57
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/18; B01J19/1862; C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62; B01J2219/00; B01J2219/18; B01J2219/182; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A APPARATUS FOR EFFECTING EMULSION CONTACTING OF HYDROCARBONS AND LIQUID ACID CATALYST WHICH COMPRISES A VESSEL INCLUDING WALLS DEFINING A REACTION STAGE, A DRAFT TUBE VERTICALLY DISPOSED WITHIN SAID REACTION STAGE AND SPACED FROM THE SAID WALLS, STIRRING MEANS WITHIN SAID DRAFT TUBE ADAPTED TO CIRCULATE FLUID VERTICALLY IN ONE DIRECTION THROUGH SAID DRAFT TUBE, AT LEAST ONE MULTIPLE OPENING ORIFICE PLATE POSITIONED WITHIN THE VERTICAL SPACE BETWEEN SAID DRAFT TUBE AND SAID WALLS, AT LEAST ONE NOZZLE ELEMENT WITHIN SAID LAST NAMED SPACED ADJACENT SAID ORIFICE PLATE WITH THE OPENING OF SAID NOZZLE DIRECTED VERTICALLY AWAY FROM SAID ORIFIC PLATE, AND MEANS FOR DIRECTING AN OLEFIN DEED THROUGH SAID NOZZLE, WHEREBY AN EMULSION OF HYDROCARBONS AND LIQUID ACID CATALYST MAY BE CIRCULATED IN ONE VERTICAL DIRECTION THROUGH SAID VERTICAL TUBE AND IN THE OPPOSITE DIRECTION THROUGH SAID VERTICAL SPACE, PASSING THROUGH SAID ORIFICE PLATE AND THEREBY DIVIDING INTO A PLURALITY OF SEPARATE VERTICAL STREAMS IMMEDIATELY BEFORE COMING INTO CONTACT WITH THE OLEFIN FEED ISSUING FROM SAID NOZZLE, THUS EFFECTING IMPROVED CONTACT BETWEEN EMULSION AND OLEFIN FEED.
Claim 2
Independent Claim
177 words
A APPARATUS FOR EFFECTING EMULSION CONTACTING OF HYDROCARBONS AND LIQUID ACID CATALYST WHICH COMPRISES A VESSEL INCLUDING WALLS DEFINING A REACTION STAGE, A DRAFT TUBE VERTICALLY DISPOSED WITHIN SAID REACTION STAGE AND SPACED FROM THE SAID WALLS, STIRRING MEANS WITHIN SAID DRAFT TUBE ADAPTED TO CIRCULATE FLUID VERTICALLY IN ONE DIRECTION THROUGH SAID DRAFT TUBE, AT LEAST ONE MULTIPLE OPENING ORIFICE PLATE POSITIONED WITHIN THE VERTICAL SPACE BETWEEN SAID DRAFT TUBE AND SAID WALLS, AT LEAST ONE NOZZLE ELEMENT WITHIN SAID LAST NAMED SPACED ADJACENT SAID ORIFICE PLATE WITH THE OPENING OF SAID NOZZLE DIRECTED VERTICALLY AWAY FROM SAID ORIFIC PLATE, AND MEANS FOR DIRECTING AN OLEFIN DEED THROUGH SAID NOZZLE, WHEREBY AN EMULSION OF HYDROCARBONS AND LIQUID ACID CATALYST MAY BE CIRCULATED IN ONE VERTICAL DIRECTION THROUGH SAID VERTICAL TUBE AND IN THE OPPOSITE DIRECTION THROUGH SAID VERTICAL SPACE, PASSING THROUGH SAID ORIFICE PLATE AND THEREBY DIVIDING INTO A PLURALITY OF SEPARATE VERTICAL STREAMS IMMEDIATELY BEFORE COMING INTO CONTACT WITH THE OLEFIN FEED ISSUING FROM SAID NOZZLE, THUS EFFECTING IMPROVED CONTACT BETWEEN EMULSION AND OLEFIN FEED.
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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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |