US2534284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coagulant and method of clarifying turbid water therewith
Assignee: Individual
•
Filing: 1947-08-13
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Granted: 1950-12-19
•
Expires: 1967-08-13
Abstract
No abstract record available.
Inventors
- 👤 Rawland R Magill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:35
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/02; C02F5/06; C02F1/00; C02F1/52; C02F1/5236; C02F1/5245; C02F1/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A COAGULANT FOR THE TREATMENT OF TURBID WATER TO CLARIFY THE SAME COMPRISING THE WATERSOLUBLE, SUBSTANTIALLY DRY TO THE TOUCH PRODUCT FORMED BY INTIMATELY MIXING, SUCCESSIVELY, IN THE PRESENCE OF WATER, LIMESTONE, AN ALKALI METAL HYDROXIDE AND AN ALKALI METAL CARBONATE, THE SOLID INGREDIENTS BEING IN FINELY DIVIDED FORM AND BEING MIXED IN PROPORTIONS OF ABOUT 50 TO 80% BY WEIGHT OF LIMESTONE WITH THE OTHER SOLID INGREDIENTS CONSTITUTING THE REMAINDER AND IN PROPORTIONS TO PROVIDE AN EXCESS OF SAID HYDROXIDE BY WEIGHT WITH RESPECT TO THE CARBONATE AND THE WATER BEING APPROXIMATELY 2 TO 10% BY WEIGHT OF THE AMOUNT OF LIMESTONE.
Claim 2
Dependent Claim
103 words
A COAGULANT FOR THE TREATMENT OF TURBID WATER TO CLARIFY THE SAME COMPRISING THE WATERSOLUBLE, SUBSTANTIALLY DRY TO THE TOUCH PRODUCT FORMED BY INTIMATELY MIXING, SUCCESSIVELY, IN THE PRESENCE OF WATER, LIMESTONE, AN ALKALI METAL HYDROXIDE AND AN ALKALI METAL CARBONATE, THE SOLID INGREDIENTS BEING IN FINELY DIVIDED FORM AND BEING MIXED IN PROPORTIONS OF ABOUT 50 TO 80% BY WEIGHT OF LIMESTONE WITH THE OTHER SOLID INGREDIENTS CONSTITUTING THE REMAINDER AND IN PROPORTIONS TO PROVIDE AN EXCESS OF SAID HYDROXIDE BY WEIGHT WITH RESPECT TO THE CARBONATE AND THE WATER BEING APPROXIMATELY 2 TO 10% BY WEIGHT OF THE AMOUNT OF LIMESTONE.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US1604126A
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US1620333A
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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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |