US3136716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for purifying aqueous media
Assignee: Voldale Inc
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Filing: 1962-12-26
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Granted: 1964-06-09
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Kitter Volda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:00
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/766
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
PROCESS FOR THE SUSTAINED PURIFICATION OF AQUEOUS MEDIA THAT COMPRISES ESTABLISHING SAID MEDIA AT A PH VALUE WITHIN THE RANGE OF FROM PH 6.8 TO 8.2 INTRODUCING THEREIN WATER-SOLUBLE IODIDE AND A SUBSTANCE HAVING AT LEAST ONE READAILY AVAILABLE HYDROYZABLE CHLORINE ATOM IN RESPECTIVE AMOUNTS SUFFICIENT TO PROVIDE A MOLAR RATIO OF AVAILABLE CHLORINE TO IODINE WITHIN SAID MEDIA WITHIN THE RANGE OF FROM 2 TO 1 TO 6 TO 1, THE CONCENTRATION OF SAID IODIDE WITH RESPECT TO THE VOLUME OF THE AQUEOUS MEDIA BEING SUFFICIENT TO PROVIDE FROM ABOUT 0.1 TO 1.0 PART PER MILLION OF TOTAL BACTERCIDAL IODINE THEREIN.
Claim 2
Dependent Claim
102 words
PROCESS FOR THE SUSTAINED PURIFICATION OF AQUEOUS MEDIA THAT COMPRISES ESTABLISHING SAID MEDIA AT A PH VALUE WITHIN THE RANGE OF FROM PH 6.8 TO 8.2 INTRODUCING THEREIN WATER-SOLUBLE IODIDE AND A SUBSTANCE HAVING AT LEAST ONE READAILY AVAILABLE HYDROYZABLE CHLORINE ATOM IN RESPECTIVE AMOUNTS SUFFICIENT TO PROVIDE A MOLAR RATIO OF AVAILABLE CHLORINE TO IODINE WITHIN SAID MEDIA WITHIN THE RANGE OF FROM 2 TO 1 TO 6 TO 1, THE CONCENTRATION OF SAID IODIDE WITH RESPECT TO THE VOLUME OF THE AQUEOUS MEDIA BEING SUFFICIENT TO PROVIDE FROM ABOUT 0.1 TO 1.0 PART PER MILLION OF TOTAL BACTERCIDAL IODINE THEREIN.
References Cited (Backward Citations)
US2904470A
Cited
US2817621A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |