Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Specially adapted for ruminant animal
Patent
1990-11-20
1992-05-05
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Specially adapted for ruminant animal
424475, 427 3, A23K 118
Patent
active
051105985
ABSTRACT:
Veterinary delayed release dosage forms which remain in the rumeno-reticular sac of an animal over an extended period of time and in which the therapeutically active substance has a predictable and delayed release pattern. The compositions comprise a dense filler, a disintegrant and a therapeutically active substance. The dosage form a hydrophobic polymer or co-polymer coating and can deliver a plurality of doses of a medicant intermittently at a present time interval in the rumen.
REFERENCES:
patent: 3507952 (1970-04-01), Rednick et al.
patent: 4479911 (1984-10-01), Fong
patent: 4642230 (1987-02-01), Whitehead
Kwan Lilian
Steber William
Dinner Dara L.
Lentz Edward T.
Page Thurman K.
Phelan D. Gabrielle
SmithKline Beecham Corp.
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