US3082173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coagulating aid and method of treating water therewith
Assignee: Individual
•
Filing: 1958-08-04
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Granted: 1963-03-19
•
Expires: 1978-08-04
Abstract
No abstract record available.
Inventors
- 👤 Howard J Horvitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:11
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/5263; C02F1/5236
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A STABILIZED CONCENTRATE OF COAGULATING AID FOR WATER COAGULANTS COMPRISING AN AQUEOUS SOLUTION CONTAINING ABOUT 1 TO 50 PERCENT BY WEIGHT OF AT LEAST ONE HYDROPHILLIC COLLOID SELECTED FROM THE GROUP CONSISTING OF ACIDHYDROLIZED STARCHES, GUMS AND DEXTRINS; ABOUT 1 TO 30 PERCENT BY WEIGHT OF AT LEAST ONE ALKALI METAL ALUMINATE; AND ABOUT 6 TO 50 PERCENT BY WEIGHT OF THE ALUMINATE OF AT LEAST ONE ALKALI METAL HYDROXIDE.
Claim 2
Dependent Claim
70 words
A STABILIZED CONCENTRATE OF COAGULATING AID FOR WATER COAGULANTS COMPRISING AN AQUEOUS SOLUTION CONTAINING ABOUT 1 TO 50 PERCENT BY WEIGHT OF AT LEAST ONE HYDROPHILLIC COLLOID SELECTED FROM THE GROUP CONSISTING OF ACIDHYDROLIZED STARCHES, GUMS AND DEXTRINS; ABOUT 1 TO 30 PERCENT BY WEIGHT OF AT LEAST ONE ALKALI METAL ALUMINATE; AND ABOUT 6 TO 50 PERCENT BY WEIGHT OF THE ALUMINATE OF AT LEAST ONE ALKALI METAL HYDROXIDE.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |