Urea and thiourea compounds useful for treatment of coccidiosis

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C514S237200, C514S238200, C514S255050, C514S313000, C514S332000, C514S333000, C514S353000, C514S367000, C514S412000, C514S512000, C514S562000, C514S564000, C514S566000, C544S120000, C544S124000, C544S165000, C544S167000, C544S357000, C544S405000, C546S163000, C546S256000, C546S265000, C546S306000, C548S163000, C548S515000, C562S430000, C562S499000, C562S504000, C564S043000

Reexamination Certificate

active

06875764

ABSTRACT:
The present invention relates to novel compounds, pharmaceutical compositions containing the same as well as a method for treatment of parasitic disorders, wherein said compounds are administered. The present compounds are especially well suited for treatment of coccidiosis, particularly in poultry, and they have general formula (I):where Y is S or O and R is as defined in the specification.

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International, file CAPLUS, CAPLUS accession No. 1991: 574133, Document No. 115: 174133, Zahner, H. et al.: “Antifilarial efficacy in vitro of 2-tert-butylbenzothiazole derivatives on adult Litomosoides carinii”; & Arzneim.-Forsch. (1991), 41(8), 821-7.

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