Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1993-08-12
1995-06-27
Phelan, D. Gabrielle
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424465, 424468, 424474, 514772, 514781, 514960, 514970, A61K 922
Patent
active
054277981
ABSTRACT:
A controlled sustained release tablet having at least one year shelf life and containing bupropion hydrochloride, hydroxypropyl methylcellulose and cysteine hydrochloride or glycine hydrochloride with the tablet having a surface area to volume ratio to effectively control bupropion hydrochloride release in the body.
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Dow Chemical Company Catalog; Formulating for Controlled Release with METHOCEL premium cellulose ethers; pp. 1-32., Oct. 1989.
Bass, Jr. William L.
Ludwig Jennie Sue G.
Sutton, Jr. Joel E.
Brown Donald
Burroughs Wellcome Co.
Nielsen Lawrence A.
Phelan D. Gabrielle
Spear James M.
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