← Back to Patent Explorer
US3243472A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalytic process employing pulsed vaporous feed and continuously flowing inert vaporous carrier

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-02-10
•
Granted: 1966-03-29
•
Expires: 1978-02-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James A Dinwiddie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 13:51
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/16; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/953

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 177 words
IN A METHOD FOR THE SEPARATION OF COMPONENTS FORMED IN THE VAPOR PHASE CATALYTIC CHEMICAL CONVERSION OF A VAPOROUS FEED MATERIAL IN A CONVERSION ZONE IN THE PRESENCE OF A FINELY DIVIDED CATALYTICALLY ACTIVE SOLID, THE IMPROVEMENT WHICH COMPRISES CONTINUOUSLY UNIDIRECTIONALLY FLOWING AN INERT VAPOROUS CARRIER THROUGH SAID CONVERSION ZONE UNDER CONVERSION CONDITIONS, PERIODICALLY INTRODUCING PULSES OF SAID VAPOROUS FEED MATERIAL INTO SAID VAPOROUS CARRIER FOR SEQUENTIALLY PULSED FLOW THROUGH SAID CONVERSION ZONE UNDER SAID CONVERSION CONDITIONS TO OBTAIN CONTINUOUS SEPARATION OF ONE OF THE COMPONENTS FROM ANOTHER OF THE COMPONENTS FORMED BY CONVERSION OF SAID MATERIAL IN SAID CONVERSION ZONE, SAID ONE OF THE COMPONENTS HAVING A RATE OF TRAVEL THROUGH SAID CONVERSION ZONE DIFFERENT FROM THE RATE OF TRAVEL OF SAID ANOTHER OF THE COMPONENTS, SAID FEED MATERIAL BEING INTRODUCED INTO SAID CONVERSION ZONE IN PULSES OF SUFFICIENT DURATION SEPARATED BY A SUFFICIENT TIME TO PREVENT INTERMINGLING OF SAID COMPONENTS FORMED BY SAID CONVERSION, AND THEREAFTER RECOVERING SAID COMPONENTS FROM SAID CARRIER, SAID VAPOROUS CARRIER BEING INERT TO SAID SOLID AND TO SAID CHEMICAL CONVERSION.
Claim 2
Dependent Claim 177 words
IN A METHOD FOR THE SEPARATION OF COMPONENTS FORMED IN THE VAPOR PHASE CATALYTIC CHEMICAL CONVERSION OF A VAPOROUS FEED MATERIAL IN A CONVERSION ZONE IN THE PRESENCE OF A FINELY DIVIDED CATALYTICALLY ACTIVE SOLID, THE IMPROVEMENT WHICH COMPRISES CONTINUOUSLY UNIDIRECTIONALLY FLOWING AN INERT VAPOROUS CARRIER THROUGH SAID CONVERSION ZONE UNDER CONVERSION CONDITIONS, PERIODICALLY INTRODUCING PULSES OF SAID VAPOROUS FEED MATERIAL INTO SAID VAPOROUS CARRIER FOR SEQUENTIALLY PULSED FLOW THROUGH SAID CONVERSION ZONE UNDER SAID CONVERSION CONDITIONS TO OBTAIN CONTINUOUS SEPARATION OF ONE OF THE COMPONENTS FROM ANOTHER OF THE COMPONENTS FORMED BY CONVERSION OF SAID MATERIAL IN SAID CONVERSION ZONE, SAID ONE OF THE COMPONENTS HAVING A RATE OF TRAVEL THROUGH SAID CONVERSION ZONE DIFFERENT FROM THE RATE OF TRAVEL OF SAID ANOTHER OF THE COMPONENTS, SAID FEED MATERIAL BEING INTRODUCED INTO SAID CONVERSION ZONE IN PULSES OF SUFFICIENT DURATION SEPARATED BY A SUFFICIENT TIME TO PREVENT INTERMINGLING OF SAID COMPONENTS FORMED BY SAID CONVERSION, AND THEREAFTER RECOVERING SAID COMPONENTS FROM SAID CARRIER, SAID VAPOROUS CARRIER BEING INERT TO SAID SOLID AND TO SAID CHEMICAL CONVERSION.

References Cited (Backward Citations)

US2307434A Cited
US2439934A Cited
US2509900A Cited
US2618667A Cited
US2604495A Cited
US2666086A Cited
US2603591A Cited
US2848521A Cited
US2884473A Cited
US2916444A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-03-28 1969-09-27 1970-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-03-28 1973-09-27 1974-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-03-28 1977-09-27 1978-03-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag