US3097952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for purifying salt and product thereof
Assignee: PAULINE LOBB PARRISH
•
Filing: 1961-02-09
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Granted: 1963-07-16
•
Expires: 1981-02-09
Abstract
No abstract record available.
Inventors
- 👤 George E Bresette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:16
CPC Classifications
C; C01; C01D; C01D3/00; C01D3/14; A; A23; A23L; A23L27/00; A23L27/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD FOR PURIFYING SODIUM CHLORIDE WHICH COMPRISES FORCING AN AQUEOUS SLURRY OF IMPURE SODIUM CHLORIDE PARTICLES UNDER PRESSURE THROUGH A SMALL ORIFICE AT HIGH VELOCITY AND IMPACTING THE STREAM EMERGING FROM SAID ORIFICE AGAINST A SURFACE IN A ZONE OF REDUCED PRESSURE TO REDUCE THE SIZE OF SAID PARTICLES TO COLLOIDAL SIZE AND TO SEPARATE THEREFROM ASSOCIATED IMPURITIES, AND REMOVING THE SEPARATED IMPURITIES FROM THE RESULTING COLLODIAL SUSPENSION OF SUBSTANTIALLY PURE SODIUM CHLORIDE PARTICLES.
Claim 2
Independent Claim
75 words
A METHOD FOR PURIFYING SODIUM CHLORIDE WHICH COMPRISES FORCING AN AQUEOUS SLURRY OF IMPURE SODIUM CHLORIDE PARTICLES UNDER PRESSURE THROUGH A SMALL ORIFICE AT HIGH VELOCITY AND IMPACTING THE STREAM EMERGING FROM SAID ORIFICE AGAINST A SURFACE IN A ZONE OF REDUCED PRESSURE TO REDUCE THE SIZE OF SAID PARTICLES TO COLLOIDAL SIZE AND TO SEPARATE THEREFROM ASSOCIATED IMPURITIES, AND REMOVING THE SEPARATED IMPURITIES FROM THE RESULTING COLLODIAL SUSPENSION OF SUBSTANTIALLY PURE SODIUM CHLORIDE PARTICLES.
References Cited (Backward Citations)
US2613133A
Cited
US2902343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |