US3232869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of purifying aqueous liquid
Assignee: Individual
•
Filing: 1963-04-04
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Granted: 1966-02-01
•
Expires: 1983-04-04
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Gard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:16
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/766
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD OF DESTROYING UNDESIRABLE MICRO ORGANISMS IN WATER, FOR HUMAN CONSUMPTION AND SWIMMING POOLS, COMPRISING INTRODUCING INTO SAID WATER A SUFFICIENT AMOUNT OF AN IODIDE SALT AND A SUFFICIENT AMOUNT OF PEROXYGEN SALT FOR REACTION WITH THE SAID IODIDE SALT TO PRODUCE A CONCENTRRATION OF IODIDE ION OF FROM 0.1 TO 1.0 PART PER MILLION OF SAID WATER, SAID PEROXYGEN SALT BEING PRESENT IN A CONCENTRATION OF AT LEAST STOICHIOMETRICAL AMOUNTS, SAID WATER CONTAINING SAID SALTS BEING AT A PH OF BETWEEN 7 AND 8 AND EXPOSING THE WATER CONTAINING THE SALTS TO AN EFFECTIVE AMOUNT OF ULTRA-VIOLET RAYS TO MAINTAIN THE REACTION BETWEEN THE IODIDE SALT AND THE PEROXYGEN SALT TO FORM FREE IODINE TO DESTROY SAID MICRO ORGANISMS.
Claim 2
Independent Claim
121 words
A METHOD OF DESTROYING UNDESIRABLE MICRO ORGANISMS IN WATER, FOR HUMAN CONSUMPTION AND SWIMMING POOLS, COMPRISING INTRODUCING INTO SAID WATER A SUFFICIENT AMOUNT OF AN IODIDE SALT AND A SUFFICIENT AMOUNT OF PEROXYGEN SALT FOR REACTION WITH THE SAID IODIDE SALT TO PRODUCE A CONCENTRRATION OF IODIDE ION OF FROM 0.1 TO 1.0 PART PER MILLION OF SAID WATER, SAID PEROXYGEN SALT BEING PRESENT IN A CONCENTRATION OF AT LEAST STOICHIOMETRICAL AMOUNTS, SAID WATER CONTAINING SAID SALTS BEING AT A PH OF BETWEEN 7 AND 8 AND EXPOSING THE WATER CONTAINING THE SALTS TO AN EFFECTIVE AMOUNT OF ULTRA-VIOLET RAYS TO MAINTAIN THE REACTION BETWEEN THE IODIDE SALT AND THE PEROXYGEN SALT TO FORM FREE IODINE TO DESTROY SAID MICRO ORGANISMS.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |