US3684706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste treatment with microbial nucleoprotein flocculating agent
Assignee: RALPH A BOMSTEIN
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Filing: 1971-01-26
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Granted: 1972-08-15
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Expires: 1991-01-26
Abstract
Abstract A FLOCCULATING AGENT IS DISCLOSED INCLUDING MICROBIAL MATERIAL WHICH HAS BEEN ALKALINE TREATED SUCH AS WITH SODIUM HYDROXIDE. THE FLOCCULATING AGENT IS USED TO REMOVE SUSPENDED ORGANIC AND/OR INORGANIC WASTE FROM WATER.
Inventors
- 👤 Ralph A Bomstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:56
CPC Classifications
C; C12; C12P; C12P1/00; C12P1/04; C02; C02F; C02F1/00; C02F1/52; C02F1/5263; C02F3/00; C02F3/34; C12N; C12N1/00; C12N1/20; C12N1/205; C12R; C12R2001/00; C12R2001/01; C12R2001/05; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/906; Y10S210/907
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |