Process for the manufacture of a multi-zone tablet and tablet ma

Details Process for the manufacture of a multi-zone tablet and tablet ma Process for the manufacture of a multi-zone tablet and tablet ma

1977-10-25

1979-02-13

Rose, Shep K.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264131, 264134, 424 14, 424 16, 424 21, 424 48, 426 5, 427 3, 427212, 427220, 427299, A61K 924, A61K 968

Patent

active

041395891

ABSTRACT:
Multi-zone pharmaceutical tablets are produced by compressing the contents of a tablet mold. The contents include a granular chewing gum mass and a non-plastic tablet mass, or a chewing gum insert in the recess of a multi-layer non-plastic tablet mass. At least one zone of the tablet, preferably the chewing gum mass, contains a pharmaceutically active ingredient.

REFERENCES:
patent: 462990 (1891-11-01), Oppenheimer
patent: 1193423 (1916-08-01), Pryor
patent: 1267320 (1918-05-01), Fries
patent: 1771981 (1930-07-01), Mustin
patent: 1771982 (1930-07-01), Mustin
patent: 2262087 (1941-11-01), Bartlett et al.
patent: 2536168 (1951-01-01), Goggin
patent: 2953497 (1960-09-01), Press
patent: 3048526 (1962-08-01), Boswell
patent: 3096248 (1963-07-01), Rudski
patent: 3922338 (1975-11-01), Estevenel et al.

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