US2633477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic method and apparatus
Assignee: Standard Oil Development Co
•
Filing: 1946-09-24
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Granted: 1953-03-31
•
Expires: 1966-09-24
Abstract
No abstract record available.
Inventors
- 👤 Walter F Rollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:34
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/10; B01J2219/00; B01J2219/18; B01J2219/182; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/901; Y10S585/919; Y10S585/921; Y10S585/922; Y10S585/924; Y10S585/949; Y10S585/955
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF ACCOMPLISHING A CATALYST REACTION OF A REACTANT VAPOR, WHICH COMPRISES ROTATING A CYLINDRICAL CATALYST COATING ABOUT A CENTRAL AXIS, CONTACTING THE BREADTH OF A UNIFORMLY THIN, BROAD STREAM OF REACTANT VAPOR FLOWING THROUGH A REACTION ZONE OF UNIFORM CROSS-SECTION WITH AN OUTER SURFACE OF SAID COATING PASSING BY SAID ZONE TO ACCOMPLISH THE REACTION WITH NON-TURBULENT FLOW, STRIPPING REACTION PRODUCT VAPOR FROM A PORTION OF THE COATING REVOLVED PAST THE REACTION ZONE BY CONTACT WITH A STRIPPING GAS THAT ACTS AS A GAS SEAL FOR THE REACTION ZONE, AND SUPPLYING A FLUID TO A ZONE SURROUNDED BY THE CYLINDRICAL CATA-
Claim 2
Independent Claim
103 words
A METHOD OF ACCOMPLISHING A CATALYST REACTION OF A REACTANT VAPOR, WHICH COMPRISES ROTATING A CYLINDRICAL CATALYST COATING ABOUT A CENTRAL AXIS, CONTACTING THE BREADTH OF A UNIFORMLY THIN, BROAD STREAM OF REACTANT VAPOR FLOWING THROUGH A REACTION ZONE OF UNIFORM CROSS-SECTION WITH AN OUTER SURFACE OF SAID COATING PASSING BY SAID ZONE TO ACCOMPLISH THE REACTION WITH NON-TURBULENT FLOW, STRIPPING REACTION PRODUCT VAPOR FROM A PORTION OF THE COATING REVOLVED PAST THE REACTION ZONE BY CONTACT WITH A STRIPPING GAS THAT ACTS AS A GAS SEAL FOR THE REACTION ZONE, AND SUPPLYING A FLUID TO A ZONE SURROUNDED BY THE CYLINDRICAL CATA-
References Cited (Backward Citations)
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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) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |