US2813833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for breaking down of froth
Assignee: Stamicarbon BV
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Filing: 1953-06-17
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Granted: 1957-11-19
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Expires: 1973-06-17
Abstract
No abstract record available.
Inventors
- 👤 Leonardus J Revallier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:15
CPC Classifications
C; C13; C13B; C13B25/00; C13B25/02; A; A01; A01J; A01J11/00; A01J11/02; B; B01; B01B; B01B1/00; B01B1/02; B01D; B01D19/00; B01D19/02; B01F; B01F25/00; B01F25/10; C05; C05B; C05B1/00; C05B1/10; Y; Y10; Y10S; Y10S261/00; Y10S261/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF BREAKING DOWN FROTH WHICH COMPRISES THE STEPS OF CONTINUOUSLY FLOWING AN AUXILIARY GAS TANGEN-TIALLY INTO A RADIALLY SYMMETRICAL SPACE TO GENERATE A GAS VORTEX THEREIN, CONTINUOUSLY DISCHARGING SAID AUXILIARY GAS AXIALLY FROM SAID VORTEX, AND INTRODUCING FROTH INTOO THE CORE OF SAID VORTEX, THE FORCES PREVAILING IN SAID VORTEX BEING EFFECTIVE TO BREAK DOWM SAID FROTH AND DISCHARGE THE LIQUID SEPARATED FROM THE FROTH IN LIQUID FORM ALONG WITH SAID AUXILIARY GAS.
Claim 2
Independent Claim
75 words
A METHOD OF BREAKING DOWN FROTH WHICH COMPRISES THE STEPS OF CONTINUOUSLY FLOWING AN AUXILIARY GAS TANGEN-TIALLY INTO A RADIALLY SYMMETRICAL SPACE TO GENERATE A GAS VORTEX THEREIN, CONTINUOUSLY DISCHARGING SAID AUXILIARY GAS AXIALLY FROM SAID VORTEX, AND INTRODUCING FROTH INTOO THE CORE OF SAID VORTEX, THE FORCES PREVAILING IN SAID VORTEX BEING EFFECTIVE TO BREAK DOWM SAID FROTH AND DISCHARGE THE LIQUID SEPARATED FROM THE FROTH IN LIQUID FORM ALONG WITH SAID AUXILIARY GAS.
References Cited (Backward Citations)
GB104183A
Cited
US1440808A
Cited
CH136359A
Cited
DE615004C
Cited
US2118167A
Cited
US2353833A
Cited
US2447119A
Cited
US2653801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |