Controlled release device for an active substance

Details Controlled release device for an active substance Controlled release device for an active substance

1986-09-04

1989-02-07

Lusignan, Michael

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Specially adapted for ruminant animal

424468, 424475, 424486, 425352, 425353, A23K 118, A01N 2904, A61K 31025, A61K 3103

Patent

active

048030767

ABSTRACT:
A device for the controlled release of a substance having useful activity into a fluid medium at a substantially constant rate, said substance contained in a shape which is substantially that of a truncated cone by means of an impermeable wall or coating on the base and side (but not the top) of said truncated cone. Apparatus useful in manufacture when said device is a tablet for administration to a mammal.

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Lai et al., Abstract No. 133, A.Ph.A. Meeting, Oct. 21-24, 1985.
Promotional Literature re Markham 156AMkIII Tablet/Capsule Printer, Markham Corp., Keene, N.H., Mar. 1985.

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