Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1986-11-18
1991-09-24
Waddell, Frederick E.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424469, 424489, A61K 922, A61K 926, A61K 916
Patent
active
050512625
ABSTRACT:
Specifically, the present invention relates to processes for preparing delayed action galenic forms. The process is characterized in that the application solutions of excipients, coatings and active constituents are adjusted to a desired pH. The independence of the rate of dissolution of a controlled release or sustained action oral pharmaceutical form is increased by admixing a pH adjusting agent with every application solution of medicament, excipeint or coating, throughout the course of formulation of the pharmaceutical form.
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Ueda, C. T.
Corneille Gilbert
Panoz Donald
Croskell Henry
Elan Corp., P.L.C.
Falk Robert H.
Waddell Frederick E.
Watson Harry J.
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