Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1984-10-16
1986-03-25
Griffin, Ronald W.
Drug, bio-affecting and body treating compositions
Identification or warning feature
Taste or smell or chemical irritation to the eye, nose, or...
119 1, 119 51R, 604890, 604892, 424 14, 424 16, 424 19, 424 21, 424 22, A61J 300, A61K 922
Patent
active
045782636
ABSTRACT:
A pellet for administration into and reside in the rumeno-reticular sac of a ruminant and to release successive doses of an active agent, such as an anthelmentic, comprises an assembly (10) of discs (12) each having a peripheral skirt (14) on one side and an inwardly-spaced skirt (16) on the other so that such discs can interfit by said skirts (14, 16) and define therebetween cavities (18) each containing a respective active agent dose (24). A weighting slug (20) is provided at one end of the assembly (10) which is enclosed except at one end by a surrounding plastics sheath (26) so that rumen juices may attack and erode the successive discs (12) to release the successive doses (24). The discs (12) are of a magnesium-based alloy and the slug (20) is of a Zinc-based alloy.
REFERENCES:
patent: D14842 (1884-03-01), Griscom
patent: 3056724 (1962-10-01), Marston
patent: 3567818 (1971-03-01), Hemingway et al.
patent: 3594469 (1971-07-01), Whitehead et al.
patent: 3964438 (1976-06-01), Rodemeyer
patent: 4308250 (1981-12-01), Griffin et al.
patent: 4381780 (1983-05-01), Holloway
Brown Donald
Castex Products Limited
Gammons Robert T.
Griffin Ronald W.
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