Patent US2919246A successfully refreshed from Google Patents.
US2919246A
Expired / Lapsed
US
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Removing contaminations from water using paraffin oil and ferric chloride
Assignee: Stamicarbon BV
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Filing: 1954-09-10
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Granted: 1959-12-29
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Expires: 1974-09-10
Abstract
No abstract record available.
Inventors
- 👤 Boer Jan H De
- 👤 Gelder Arthur L De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:33
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/26; C02F1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A PROCESS OF REMOVING STENCH-PRODUCING SUBSTANCES FROM WATER CONTAMINATED THEREWITH INVOLVING THE STEPS OF (1) DISPERSING A SMALL AMOUNT OF PARAFFIN OIL IN SAID CONTAMINATED WATER: (2) ADDING TO THE WATER AN AQUEOUS SOLUTIOIN OF FERRIC CHLORIDE CAPABLE OF FORMING A PRECIPITATE THEREIN; AND (3) THEREAFTER SEPARATING FRROM SAID WATER THE RESULTING FINELY DISTRIBUTED PRECIPITATE AND OIL CHARGED WITH SAID STENCH PROVIDING SUBSTANCES, THE IMPROVEMENTS WHICH COMPRISE SIMULTANEOUSLY EFFECTING STEPS (1) AND (2) BY FLOWING WATER TANGENTIALLY INTO A ROTATION CHAMBER AND GENERATING A STRONG CYCLONIC CURRENT HAVING A HALLOW CORE WITH A DEPRESSION THEREIN, SIMULTANEOUSLY ASPIRATING SAID OIL AND SAID SOLUTION INTO SAID CYCLONIC CURRENT INDER THE INFLUENCE OF THE DEPRESSION PREVAILING IN THE CORE AND SUBJECTING SAID
Claim 2
Dependent Claim
120 words
IN A PROCESS OF REMOVING STENCH-PRODUCING SUBSTANCES FROM WATER CONTAMINATED THEREWITH INVOLVING THE STEPS OF (1) DISPERSING A SMALL AMOUNT OF PARAFFIN OIL IN SAID CONTAMINATED WATER: (2) ADDING TO THE WATER AN AQUEOUS SOLUTIOIN OF FERRIC CHLORIDE CAPABLE OF FORMING A PRECIPITATE THEREIN; AND (3) THEREAFTER SEPARATING FRROM SAID WATER THE RESULTING FINELY DISTRIBUTED PRECIPITATE AND OIL CHARGED WITH SAID STENCH PROVIDING SUBSTANCES, THE IMPROVEMENTS WHICH COMPRISE SIMULTANEOUSLY EFFECTING STEPS (1) AND (2) BY FLOWING WATER TANGENTIALLY INTO A ROTATION CHAMBER AND GENERATING A STRONG CYCLONIC CURRENT HAVING A HALLOW CORE WITH A DEPRESSION THEREIN, SIMULTANEOUSLY ASPIRATING SAID OIL AND SAID SOLUTION INTO SAID CYCLONIC CURRENT INDER THE INFLUENCE OF THE DEPRESSION PREVAILING IN THE CORE AND SUBJECTING SAID
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |