2 patents
Utility
Sustained release compositions using wax-like materials
12 Jan 21
Sustained release spherical or non-spherical pellets comprising (a) an active ingredient (b) a wax-like agent, and (c) a spheronizing agent are provided.
Andrew Xian Chen, Patricia D. Kigin
Filed: 29 Feb 08
Utility
Chewable sustained release formulations
1 Jun 20
Sustained release compositions in tablet or multiparticulate forms comprising (a) an active ingredient, (b) a primary sustain release agent, (c) a wax-like agent, and (d) a bulking or spheronizing agent are provided.
Andrew Xian Chen, Patricia D Kigin, Hai Liang Chen, Jun Fan
Filed: 3 Sep 09
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