US3699231A
Expired / Lapsed
US
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A method for inhibiting the growth of bacteria using a synergistic mixture of sodium dimethyldithiocarbamate and formaldehyde
Assignee: Dresser Industries Inc
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Filing: 1969-07-11
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Granted: 1972-10-17
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Expires: 1989-07-11
Abstract
Abstract A method for inhibiting microbial growth in substances and a biocidal composition therefor employing a synergistic mixture of sodium dimethyldithiocarbamate and formaldehyde.
Inventors
- 👤 Eugene R Werlein
- 👤 John W Hollingsworth
- 👤 Lyndon D Pinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:58
CPC Classifications
C; C09; C09K; C09K8/00; C09K8/02; C09K8/03; C09K8/035; A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/12; A01N47/14
Claims Analysis
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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) | 1975-10-17 | 1976-04-17 | 1976-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-17 | 1980-04-17 | 1980-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-17 | 1984-04-17 | 1984-10-17 | $7700.00 | Window Closed / Lapsed |