Patent directory · USPTO A61K / A61P
Patents matching “capsule”
51 pharma patents match "capsule" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.
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This filtered view shows 51 pharmaceutical patents matching "capsule" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.
Patent results
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US 6113941
Substained release microcapsule of physiologically active compound which is slightly water soluble at pH 6 to 8
expired -
US 6099864
In situ activation of microcapsules
expired -
US 6044981
Microfabricated filter with specially constructed channel walls, and containment well and capsule constructed with such filters
expired