US3674457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control of microorganisms in industrial process waters
Assignee: ChampionX LLC
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Filing: 1970-11-02
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Granted: 1972-07-04
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Expires: 1990-11-02
Abstract
Abstract METHOD OF INHIBITING THE GROWTH AND REPRODUCTION OF MICROBIOLOGICAL ORGANISMS IN INDUSTRIAL PROCESS WATER SYSTEMS BY TREATING SAID SYSTEM WITH A MICROBIOCIDAL COMPOSITION CONSISTING OF METHYLENEBISTHIOCYANATE AND FORMADDEHYDE COMBINED IN A WEIGHT RATIO OF FROM 1:5 TO 1:10.
Inventors
- 👤 Leonard L Wolfson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:43
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/07; C07C205/11; C07C205/12; A; A01; A01N; A01N47/00; A01N47/40; A01N47/48; C02; C02F; C02F1/00; C02F1/50
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |