Patent directory · USPTO A61K / A61P
Patents matching “zaleplon”
2 pharma patents match "zaleplon" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.
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This filtered view shows 2 pharmaceutical patents matching "zaleplon" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.
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US 7348429
Process for purifying N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide(zaleplon) and crystalline forms of zaleplon accessible with the process
granted -
US 6884888
Process for the production of N-[3-(3-cyanopyrazolo[1,5-a] pyrimidin-7-yl) phenyl]-N-ethylacetamide (zaleplon)
expired