US3398077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic charging of solid co2 particles in liquid gas
Assignee: Conch International Methane Ltd
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Filing: 1964-10-15
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Granted: 1968-08-20
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Expires: 1984-10-15
Abstract
No abstract record available.
Inventors
- 👤 Carl F Crownover
- 👤 Richard L Every
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:34
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/06; F25J3/063; F25J3/067; B; B01; B01D; B01D53/00; B01D53/32; B01D53/323; B01J; B01J19/00; B01J19/08; B01J19/081; B01J19/082; C; C07; C07C; C07C7/00; C07C7/14; C10; C10K; C10K1/00; C25; C25B; C25B7/00; F25J3/0605; F25J3/061; F25J3/0635; F25J2205/00; F25J2205/20; F25J2205/86; F25J2215/00; F25J2215/04; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y02P; Y02P20/00; Y02P20/151; Y10; Y10S; Y10S62/00; Y10S62/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PROCESS FOR THE SEPARATION OF MIXTURES INCLUDING AT LEAST TWO DIFFERENT GASES, ONE OF WHICH SOLIDIFIES AT A HIGHER TEMPERATURE THAN THE OTHER, WHICH COMPRISES THE STEPS OF CONVERTING THE TWO GASES TO A MIXTURE OF LIQUEFIED GASES AT HIGH PRESSURE, SUBJECTING THE MIXTURES TO AN IONIZATION EMISSION TO PRODUCE AN ENHANCED CONCENTRATION OF CHARGED MOLECULAR PARTICLES IN THE MIXTURE IMMEDIATELY THEREAFTER, REDUCING THE RPESSURE IN SUCH FASHION AS TO PRODUCE A SLURRY OF SOLID PARTICLES OF SAID ONE GAS IN THE STILL LIQUEFIED OTHER GAS, SAID SOLID PARTICLES ACQUIRING A CHARGE DUE TO CONTAINING CHARGED MOLECULAR PARTICLES FROM THE IONIZATION STEP, AND SEPARATING THE CHARGED PARTICLES FROM THE LIQUID BY ATTRACTING THEM TO AN ELECTRODE OF OPPOSITE POLARITY TO THAT OF THE CHARGED PARTICLES.
Claim 2
Dependent Claim
126 words
A PROCESS FOR THE SEPARATION OF MIXTURES INCLUDING AT LEAST TWO DIFFERENT GASES, ONE OF WHICH SOLIDIFIES AT A HIGHER TEMPERATURE THAN THE OTHER, WHICH COMPRISES THE STEPS OF CONVERTING THE TWO GASES TO A MIXTURE OF LIQUEFIED GASES AT HIGH PRESSURE, SUBJECTING THE MIXTURES TO AN IONIZATION EMISSION TO PRODUCE AN ENHANCED CONCENTRATION OF CHARGED MOLECULAR PARTICLES IN THE MIXTURE IMMEDIATELY THEREAFTER, REDUCING THE RPESSURE IN SUCH FASHION AS TO PRODUCE A SLURRY OF SOLID PARTICLES OF SAID ONE GAS IN THE STILL LIQUEFIED OTHER GAS, SAID SOLID PARTICLES ACQUIRING A CHARGE DUE TO CONTAINING CHARGED MOLECULAR PARTICLES FROM THE IONIZATION STEP, AND SEPARATING THE CHARGED PARTICLES FROM THE LIQUID BY ATTRACTING THEM TO AN ELECTRODE OF OPPOSITE POLARITY TO THAT OF THE CHARGED PARTICLES.
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |