Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Specially adapted for ruminant animal
Patent
1999-02-26
2000-11-28
Levy, Neil S.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Specially adapted for ruminant animal
424453, 424454, 6048921, A61K 900
Patent
active
061532134
ABSTRACT:
Means for delivering a beneficial substance such as vitamin E to an animal, employing a pump means in the form of a device (10, 110 or 210) containing a material such as a silicate gel which swells by absorption of waer, for example from the digester in the case of a bolus, to apply pressure to an elastic container for the beneficial substance, whereby to cause the beneficial substance to be expelled through an exit orifice.
REFERENCES:
patent: 4595583 (1986-06-01), Eckenhoff et al.
patent: 5180591 (1993-01-01), Magruder et al.
Levy Neil S.
Schindler Edwin D.
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