Patent US3903130A successfully refreshed from Google Patents.
US3903130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-Trifluormethylphenyl-3-dicyanophenyl urea
Assignee: Zeneca Inc
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Filing: 1974-05-03
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Granted: 1975-09-02
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Expires: 1994-05-03
Abstract
Abstract This invention relates to the utility of a cyanourea biocide having the formula as a biocidal agent showing efficacy on bacteria, algae and fungi.
Inventors
- 👤 Eugene G Teach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:55
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/42; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A BIOCIDALLY ACTIVE COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
7 words
A BIOCIDALLY ACTIVE COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US3242208A
Cited
US3429911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-01 | 1979-03-03 | 1979-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-01 | 1983-03-03 | 1983-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-01 | 1987-03-03 | 1987-09-02 | $7700.00 | Window Closed / Lapsed |