Coated particles containing pharmaceutically active agents
AssigneeMcNeil-PPC, Inc.
InventorsRobert Shen, Vincent Chen, Der-Yang Lee
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Abstract
The present invention features a tablet including particles containing a pharmaceutically active agent, wherein the particles are coated with (a) a first film layer containing a modified release polymer; and (b) a second film layer containing (i) a first polymer, wherein the first polymer is a polymer of ethyl acrylate and methyl methacrylate and (ii) a second polymer, wherein the second polymer is a polymer of methyl acrylate, methyl methacrylate and methacrylic acid.
Claims20
A tablet comprising particles comprising a pharmaceutically active agent, wherein said particles are coated with;
- (a) a first film layer comprising a modified release polymer;
- and
- (b) a second film layer coating said first film layer, wherein said second film layer comprises (i) a first polymer, wherein said first polymer is a polymer of ethyl acrylate and methyl methacrylate and (ii) a second polymer, wherein said second polymer is a polymer of methyl acrylate, methyl methacrylate and methacrylic acid.
A particle comprising a pharmaceutically active agent, wherein said particles are coated with;
- (b) a first film layer comprising a modified release polymer;
- and
- (b) a second film layer coating said first film layer, wherein said second film layer comprises (i) a first polymer, wherein said first polymer is a polymer of ethyl acrylate and methyl methacrylate and (ii) a second polymer, wherein said second polymer is a polymer of methyl acrylate, methyl methacrylate and methacrylic acid.
Dependencies are inferred from the claim text.