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US2787574A Expired / Lapsed US ⏱️ 0.0 years remaining

Substituted phenyl urea compositions for treating coccidiosis

Assignee: Merck and Co Inc
•
Filing: 1953-03-11
•
Granted: 1957-04-02
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Expires: 1973-03-11
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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 2026-11-04 05:03
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

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