Patent US3686418A successfully refreshed from Google Patents.
US3686418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-acyl-n{40 -(halogenated aryl ureas as antibacterial agents)
Assignee: Armour and Co
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Filing: 1969-10-23
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Granted: 1972-08-22
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Expires: 1989-10-23
Abstract
Abstract The use of N-Acyl-N''-(halogenated aryl) ureas as antibacterial agents and germicidal detergent compositions containing such ureas are disclosed.
Inventors
- 👤 David Taber
- 👤 Moneeb H Zakaria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:38
CPC Classifications
C; C07; C07C; C07C273/00; C07C273/18; C07C273/1809; C07C273/1818; C07C273/1827
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
The process of claim 1 in which said urea is 1-(2,4-dichlorobenzoyl)-3-(3,4-dichlorophenyl) urea.
References Cited (Backward Citations)
CA573684A
Cited
US2762696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |