US3198729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous conversion of hydrocarbons with sensitive catalyst
Assignee: ExxonMobil Oil Corp
•
Filing: 1962-01-02
•
Granted: 1965-08-03
•
Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 John W Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; C; C10; C10G; C10G11/00; C10G11/14; B01J2219/00; B01J2219/18; B01J2219/187
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A METHOD FOR CONTACTING A FLUID REACTANT MATERIAL WITH A SOLID CATALYTIC MATERIAL WHICH COMPRISES, MAINTAINING A CONFINED DOWNWARDLY SLOPING COMPACT MOVING BED OF SOLID CATALYTIC PARTICLE MATERIAL IN A REACTION ZONE, MAINTAINING A PLURALITY OF SEPERATE AND ADJACENT LIMITED REACTION PATHS ALONG ONE MARGIN OF SAID MOVING BED, PROVIDING OPEN PASSAGEWAYS BETWEEN SAID MOVING BED OF SOLIDS AND SAID LIMITED REACTION PATHS, PASSING REACTANT FLUID UPWARDLY THROUGH SAID LIMITED REACTION PATHS, PASSING CATALYTIC PARTICLES THROUGH SAID PASSAGEWAYS INTO SUSPENDED CONTACT WITH SAID REACTANT FLUID IN SAID REACTION PATHS AND UNDER CONDITIONS TO OBTAIN A DESIRED REACTANT PRODUCT, SEPARATING REACTANT PRODUCT FROM SUSPENDED CATALYTIC PARTICLES, RETURNING SEPARATED CATALYTIC PARTICLES TO SAID BED OF SOLID CATALYTIC PARTICLES AND RECOVERING REACTANT PRODUCT FROM THE ELONGATED REACTION ZONE.
Claim 2
Independent Claim
125 words
A METHOD FOR CONTACTING A FLUID REACTANT MATERIAL WITH A SOLID CATALYTIC MATERIAL WHICH COMPRISES, MAINTAINING A CONFINED DOWNWARDLY SLOPING COMPACT MOVING BED OF SOLID CATALYTIC PARTICLE MATERIAL IN A REACTION ZONE, MAINTAINING A PLURALITY OF SEPERATE AND ADJACENT LIMITED REACTION PATHS ALONG ONE MARGIN OF SAID MOVING BED, PROVIDING OPEN PASSAGEWAYS BETWEEN SAID MOVING BED OF SOLIDS AND SAID LIMITED REACTION PATHS, PASSING REACTANT FLUID UPWARDLY THROUGH SAID LIMITED REACTION PATHS, PASSING CATALYTIC PARTICLES THROUGH SAID PASSAGEWAYS INTO SUSPENDED CONTACT WITH SAID REACTANT FLUID IN SAID REACTION PATHS AND UNDER CONDITIONS TO OBTAIN A DESIRED REACTANT PRODUCT, SEPARATING REACTANT PRODUCT FROM SUSPENDED CATALYTIC PARTICLES, RETURNING SEPARATED CATALYTIC PARTICLES TO SAID BED OF SOLID CATALYTIC PARTICLES AND RECOVERING REACTANT PRODUCT FROM THE ELONGATED REACTION ZONE.
References Cited (Backward Citations)
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Cited
US2502953A
Cited
US2498405A
Cited
US2606097A
Cited
US2723949A
Cited
GB801917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |