Patent US3205013A successfully refreshed from Google Patents.
US3205013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of scale in brine well feed lines
Assignee: Morton Salt Co
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Filing: 1962-03-09
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Granted: 1965-09-07
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Howard C Miller
- 👤 Horace W Diamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:07
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/52; C09K8/528; E; E21; E21B; E21B43/00; E21B43/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN THE METHOD OF PREPARING A SODIUM CHLORIDE BRINE LOW IN CALCIUM SULFATE CONTENT FROM SOLID SODIUM CHLORIDE WHICH IS CONTAMINATED BY CALCIUM SULFATE IN A WELL HAVING IN COMMUNICTION THEREWITH A WATER INJECTION LINE WHEREIN THE SOLID SODIUM CHLORIDE IS CONTACTED WITH A STREAM OF WATER INTRODUCED THROUGH SAID WATER INJECTION LINE SO AS TO DISSOLVE THE SODIUM CHLORIDE AND FORM A BRINE SOLUTION WHICH IS RECOVERED, THE IMPROVEMENT WHICH CONSISTS IN INTERMITTENTLY ADDING TO SAID WATER STREAM IN SAID WATER INJECTION LINE A METALLIC BASE IN AN AMOUNT SUFFICIENT TO PROVIDE A PH IN THE WATER OF AT LEAST ABOUT 7 AND INTERMITTENTLY BUT SEPARATELY FROM SAID METALLIC BASE ADDING TO SAID WATER STREAM IN SAID WATER INJECTION LINE AN ACIDIC PHOSPHATE ION CONTAINING COMPOUND REACTABLE WITH SAID BASE TO FORM THE CORRESPONDING METAL ORTHOPHOSPHATE.
Claim 2
Dependent Claim
137 words
IN THE METHOD OF PREPARING A SODIUM CHLORIDE BRINE LOW IN CALCIUM SULFATE CONTENT FROM SOLID SODIUM CHLORIDE WHICH IS CONTAMINATED BY CALCIUM SULFATE IN A WELL HAVING IN COMMUNICTION THEREWITH A WATER INJECTION LINE WHEREIN THE SOLID SODIUM CHLORIDE IS CONTACTED WITH A STREAM OF WATER INTRODUCED THROUGH SAID WATER INJECTION LINE SO AS TO DISSOLVE THE SODIUM CHLORIDE AND FORM A BRINE SOLUTION WHICH IS RECOVERED, THE IMPROVEMENT WHICH CONSISTS IN INTERMITTENTLY ADDING TO SAID WATER STREAM IN SAID WATER INJECTION LINE A METALLIC BASE IN AN AMOUNT SUFFICIENT TO PROVIDE A PH IN THE WATER OF AT LEAST ABOUT 7 AND INTERMITTENTLY BUT SEPARATELY FROM SAID METALLIC BASE ADDING TO SAID WATER STREAM IN SAID WATER INJECTION LINE AN ACIDIC PHOSPHATE ION CONTAINING COMPOUND REACTABLE WITH SAID BASE TO FORM THE CORRESPONDING METAL ORTHOPHOSPHATE.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |