US3684477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microorganism control
Assignee: FMC Corp
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Filing: 1969-08-28
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Granted: 1972-08-15
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Expires: 1989-08-28
Abstract
Abstract A METHOD FOR CONTROLLING THE GROWTH OF MICROORGANISMS, PARTICULARLY IN AQUEOUS SYSTEMS, BY CONTACTING THE MICROORGANISMS WITH: (A) HYDROGEN PEROXIDE (OR A COMPOUND CAPABLE OF RELEASING HYDROGEN PEROXIDE IN WATER), AND (B) ONE OF A CLASS OF ORGANIC COMPOUNDS CONTAINING AT LEAST ONE ACETYL GROUP AND CAPABLE OF GIVING A VALUE OF AT LEAST ONE ML. IN THE "ACTIVITY TEST" DEFINED BELOW.
Inventors
- 👤 John H Blumbergs
- 👤 Donald G Mackellar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:51
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; A; A01; A01N; A01N59/00
Claims Analysis
Total Claims: 0
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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 |