US2545176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fungicidal compositions comprising n, n'-bis (4-nitrosophenyl) piperazine
Assignee: Standard Oil Development Co
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Filing: 1948-05-11
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Granted: 1951-03-13
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Expires: 1968-05-11
Abstract
No abstract record available.
Inventors
- 👤 Miller W Swaney
- 👤 Samuel B Lippincott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:52
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; A; A01; A01N; A01N25/00; A01N25/02; A01N25/04; A01N25/08; A01N43/00; A01N43/34; A01N43/40; A01N2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A FUNGICIDAL COMPOSITION COMPRISING N,NBIS(4-NITROSOPHENYL) PIPERAZINE AS THE ACTIVE INGREDIENT ADMIXED WITH A SURFACE ACTIVE DISPERSING AGENT WHICH LOWERS THE SURFACE TENSION OF WATER AND THEREBY PROMOTES AQUEOUS COLLOIDAL DISPERSIONS OF THE M,N''-BIS(''-NITROSOPHENYL) PIPERAZINE.
Claim 2
Dependent Claim
34 words
A FUNGICIDAL COMPOSITION COMPRISING N,NBIS(4-NITROSOPHENYL) PIPERAZINE AS THE ACTIVE INGREDIENT ADMIXED WITH A SURFACE ACTIVE DISPERSING AGENT WHICH LOWERS THE SURFACE TENSION OF WATER AND THEREBY PROMOTES AQUEOUS COLLOIDAL DISPERSIONS OF THE M,N''-BIS(''-NITROSOPHENYL) PIPERAZINE.
References Cited (Backward Citations)
US2329074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |