Sustained release formulations

Details Sustained release formulations Sustained release formulations

1986-06-06

1989-03-28

Lusignan, Michael

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424480, 424482, 424494, 424495, 424497, 427 3, A61K 922, A61K 936, A61K 916

Patent

active

048162647

ABSTRACT:
Drug delivery systems which exhibit sustained release properties when administered are produced using a "dual control" system which employs polymeric agents in core and membrane portions.

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patent: 4008719 (1977-02-01), Theeuwes et al.
patent: 4014334 (1977-03-01), Theeuwes et al.
patent: 4252786 (1981-02-01), Weiss et al.
patent: 4309996 (1982-01-01), Theeuwes
patent: 4320759 (1982-03-01), Theeuwes
patent: 4389393 (1983-06-01), Schor et al.
patent: 4434153 (1984-02-01), Urquhart et al.
patent: 4519801 (1985-05-01), Edgren
patent: 4610870 (1986-09-01), Jain et al.
"Coating of Tablets and Small Particles with Acrylic Resins by Fluid Bed Technology", K. Lehmann & D. Dreher, Int. J. Pharm. Tech. & Prod. Mfr., 2 (4) 31-43, (1981).
"The Application and Processing of Acrylic Coatings in Form of Aqueous Dispersions Compared with Organic Solutions" Klaus Lehmann, Eripainos:Acta Pharmaceutica Fennica, No. 4/1982.

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