Patent US2787574A successfully refreshed from Google Patents.
US2787574A
Expired / Lapsed
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Substituted phenyl urea compositions for treating coccidiosis
Assignee: Merck and Co Inc
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Filing: 1953-03-11
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Granted: 1957-04-02
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Expires: 1973-03-11
Abstract
No abstract record available.
Inventors
- 👤 Robert C O'neill
- 👤 Arthur J Basso
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:02
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16; A61K31/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A COMPOSITION USEFUL AGAINST COCCIDIOSIS WHICH COMPRISES A MEMBER SELECTED FROM THE GROUP CONSISTING OF 3-NITROPHENYLUREA, AND PHENYLUREAS OF THE FORMULA
Claim 2
Dependent Claim
21 words
A COMPOSITION USEFUL AGAINST COCCIDIOSIS WHICH COMPRISES A MEMBER SELECTED FROM THE GROUP CONSISTING OF 3-NITROPHENYLUREA, AND PHENYLUREAS OF THE FORMULA
References Cited (Backward Citations)
US2566066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |