Patent US491231A successfully refreshed from Google Patents.
Patent US2492999A successfully refreshed from Google Patents.
US2492999A
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Method of and apparatus for minimizing deposition of carbonaceous material
Assignee: Houdry Process Corp
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Filing: 1947-09-26
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Granted: 1950-01-03
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Expires: 1967-09-26
Abstract
No abstract record available.
Inventors
- 👤 Raymond C Lassiat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:17
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN THE ART OF CONVERTING HYDROCARBONS IN THE PRESENCE OF CONTACT MATERIAL HAVING CONVERSION TEMPERATURE AND ADAPTED TO GRAVITATE THROUGH A CHAMBER AS A TUBULAR CURTAIN OF FREELY FALLING CONTACT MATERIAL, THE METHOD WHICH COMPRISES ATOMIZING LIQUID HYDROCARBON MATERIAL IN THE LOWER AREA OF A ZONE WITHIN SAID TUBULAR CURTAIN, DIRECTING A CIRCUMFERENTIALLY COMPLETE STREAM OF THE ATOMIZED MATERIAL INTO ENGAGEMENT WITH THE CURTAIN CONTACT MATERIAL, PASSING A STREAM OF VAPORS INTO THE PATH FOLLOWED BY ATOMIZED MATERIAL MIGRATING OR TENDING TO MIGRATE TOWARD THE BOUNDARY OF SAID ZONE, AND MAINTAINING SAID STREAM OF VAPORS AT VELOCITY SUFFICIENT TO DEFLECT MIGRATING ATOMIZED MATERIAL FROM SAID PATH.
Claim 2
Dependent Claim
106 words
IN THE ART OF CONVERTING HYDROCARBONS IN THE PRESENCE OF CONTACT MATERIAL HAVING CONVERSION TEMPERATURE AND ADAPTED TO GRAVITATE THROUGH A CHAMBER AS A TUBULAR CURTAIN OF FREELY FALLING CONTACT MATERIAL, THE METHOD WHICH COMPRISES ATOMIZING LIQUID HYDROCARBON MATERIAL IN THE LOWER AREA OF A ZONE WITHIN SAID TUBULAR CURTAIN, DIRECTING A CIRCUMFERENTIALLY COMPLETE STREAM OF THE ATOMIZED MATERIAL INTO ENGAGEMENT WITH THE CURTAIN CONTACT MATERIAL, PASSING A STREAM OF VAPORS INTO THE PATH FOLLOWED BY ATOMIZED MATERIAL MIGRATING OR TENDING TO MIGRATE TOWARD THE BOUNDARY OF SAID ZONE, AND MAINTAINING SAID STREAM OF VAPORS AT VELOCITY SUFFICIENT TO DEFLECT MIGRATING ATOMIZED MATERIAL FROM SAID PATH.
References Cited (Backward Citations)
US2429545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-02 | 1953-07-04 | 1954-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-02 | 1957-07-04 | 1958-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-02 | 1961-07-04 | 1962-01-03 | $7700.00 | Window Closed / Lapsed |