Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Specially adapted for ruminant animal
Patent
1991-01-11
1992-06-30
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Specially adapted for ruminant animal
424473, 424422, A23K 118
Patent
active
051261421
ABSTRACT:
A dispenser is disclosed for delivering a beneficial ionophore to an animal. The dispenser comprises (1) a semipermeable housing defining an internal space, (2) at least one composition comprising an ionophore and a pharmaceutically acceptable carrier in the space, (3) an expandable hydrophilic composition in the space, (4) a dense member in the space, and (5) at least one exit passageway in the housing for delivering the ionophore from the dispenser.
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Ayer Atul D.
Burkoth Terry L.
Deters Joseph C.
Kuczynski Anthony L.
ALZA Corporation
Horne Leon R.
Larson Jacqueline S.
Mandell Edward L.
Page Thurman K.
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