US3152073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the sterilization of water
Assignee: Great Lakes Chemical Corp
•
Filing: 1959-12-03
•
Granted: 1964-10-06
•
Expires: 1979-12-03
Abstract
No abstract record available.
Inventors
- 👤 John R Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:25
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/766
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD FOR STERILIZING WATER WHICH COMPRISES: (A) DISSOLVING THEREIN TETRAALKYLAMMONIUM POLYHALIDE WHEREIN THE POLYHALIDE IS SELECTED FORM THE GROUP CONSISTING OF ENNEAIODIDE, HEPTAIODIDE, PENTAIODIDE, TRIIODIDE, BROMOHEXAIODIDE, BROMOIOOIDIDE, CHLOROTETRAIODIDE, CHLORODIIODIDE, IODODICHLORIDE, IDODIBROMIDE, CHLOROBROMOIODIDE, TRIBROMIDE, BROMODICHLORIDE IODOTETRACHLORIDE AND CHLORODIBROMIDE AND IN WHICH THE ALKYL GROUPS ARE LOWER ALKYL GROUPS CONTAINING ONE TO SIX CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED AND HALOGENATED LOWER ALKYL GROUPS, SAID TETRAALKYLAMMONIUM POLYHALIDE CARRYING AT LEAST ABOUT 40% BY WEIGHT OF THE RELEASABLE FREE HALOGEN, WHICH PRODUCES A RESIDUAL HALOGEN CONTENT IN THE WATER WITHIN THE RANGE OF 0.4 PART PER MILLION TO 2.0 PARTS PER MILLION.
Claim 2
Independent Claim
103 words
A METHOD FOR STERILIZING WATER WHICH COMPRISES: (A) DISSOLVING THEREIN TETRAALKYLAMMONIUM POLYHALIDE WHEREIN THE POLYHALIDE IS SELECTED FORM THE GROUP CONSISTING OF ENNEAIODIDE, HEPTAIODIDE, PENTAIODIDE, TRIIODIDE, BROMOHEXAIODIDE, BROMOIOOIDIDE, CHLOROTETRAIODIDE, CHLORODIIODIDE, IODODICHLORIDE, IDODIBROMIDE, CHLOROBROMOIODIDE, TRIBROMIDE, BROMODICHLORIDE IODOTETRACHLORIDE AND CHLORODIBROMIDE AND IN WHICH THE ALKYL GROUPS ARE LOWER ALKYL GROUPS CONTAINING ONE TO SIX CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF UNSUBSTITUTED AND HALOGENATED LOWER ALKYL GROUPS, SAID TETRAALKYLAMMONIUM POLYHALIDE CARRYING AT LEAST ABOUT 40% BY WEIGHT OF THE RELEASABLE FREE HALOGEN, WHICH PRODUCES A RESIDUAL HALOGEN CONTENT IN THE WATER WITHIN THE RANGE OF 0.4 PART PER MILLION TO 2.0 PARTS PER MILLION.
References Cited (Backward Citations)
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Cited
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US2679533A
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US2868686A
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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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |