Patent US2991187A successfully refreshed from Google Patents.
US2991187A
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Method of and apparatus for concurrently disintegrating and mixing together different solid particles
Assignee: Texaco Development Corp
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Filing: 1958-12-05
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Granted: 1961-07-04
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Expires: 1978-12-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Sellers
- 👤 Henry M Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
C; C04; C04B; C04B7/00; C04B7/36; C04B7/38; C04B7/40; B; B01; B01F; B01F23/00; B01F23/60; B01F23/66; C21; C21B; C21B13/00; C21B13/0006; C21B5/00; C21B5/008; C21B2100/00; C21B2100/60; C21B2100/66; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A METHOD FOR CONCURRENTLY DISTINTEGRATING AND MIXING TOGETHER AT LEAST TWO DIFFERENT SOLID MATERIALS IN POWDERED FORM COMPRISING FORMING A FIRST FLOWABLE MIXTURE OF COARSE PARTICLES OF ONE OF SAID MATERIALS IN VAPORIZABLE LIQUID; FORMING A SECOND AND SEPARATE FLOWABLE MIXTURE OF COARSE PARTICLES COMPRISING A SECOND AND DIFFERENT ONE OF SAID MATERIALS IN VAPORIZABLE LIQUID; PASSING SAID MIXTURES SEPARATELY AND CONCURRENTLY THROUGH FIRST AND SECOND SEPARATE ELONGATED TUBULAR HEATING ZONES; HEATING SAID MIXTURES DURING PASSAGE THROUGH SAID TUBULAR HEATING ZONES TO A TEMPERATURE ABOVE THE BOILING POINT OF EACH LIQUID COMPONENT, THEREBY VAPORIZING THE LIQUID COMPONENT AND FORMING SEPARATE FLOWING STREAMS OF DISPERSIONS OF SOLID PARTICLES IN THE RESULTING VAPOR; AND DISCHARGING SAID SEPARATE STREAMS AGAINST ONE ANOTHER AT HIGH VELOCITY TO DISINTEGRATE COARSE PARTICLES TO FINE PARTICLES AND TO EFFECT INTIMATE MIXTURE OF SAID FINE PARTICLES WITH ONE ANOTHER.
Claim 2
Independent Claim
141 words
A METHOD FOR CONCURRENTLY DISTINTEGRATING AND MIXING TOGETHER AT LEAST TWO DIFFERENT SOLID MATERIALS IN POWDERED FORM COMPRISING FORMING A FIRST FLOWABLE MIXTURE OF COARSE PARTICLES OF ONE OF SAID MATERIALS IN VAPORIZABLE LIQUID; FORMING A SECOND AND SEPARATE FLOWABLE MIXTURE OF COARSE PARTICLES COMPRISING A SECOND AND DIFFERENT ONE OF SAID MATERIALS IN VAPORIZABLE LIQUID; PASSING SAID MIXTURES SEPARATELY AND CONCURRENTLY THROUGH FIRST AND SECOND SEPARATE ELONGATED TUBULAR HEATING ZONES; HEATING SAID MIXTURES DURING PASSAGE THROUGH SAID TUBULAR HEATING ZONES TO A TEMPERATURE ABOVE THE BOILING POINT OF EACH LIQUID COMPONENT, THEREBY VAPORIZING THE LIQUID COMPONENT AND FORMING SEPARATE FLOWING STREAMS OF DISPERSIONS OF SOLID PARTICLES IN THE RESULTING VAPOR; AND DISCHARGING SAID SEPARATE STREAMS AGAINST ONE ANOTHER AT HIGH VELOCITY TO DISINTEGRATE COARSE PARTICLES TO FINE PARTICLES AND TO EFFECT INTIMATE MIXTURE OF SAID FINE PARTICLES WITH ONE ANOTHER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |