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US 2003/0143272 A1Published application
Pharmaceutical tablet and process for making thereof
OwnerKenneth C. Watermaninventor
Life of this patent
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Abstract
A pharmaceutical tablet as well as a process for manufacturing the tablet is described herein. More specifically, a tablet and process of manufacture is described where a drug having a defined rate of delivery is applied by compression onto a compressible coating deposited on a tablet having the same or a different in vivo drug release profile. For the compressible coating, an acrylic acid, methacrylic acid, or ester of either is the preferred monomer for making the polymer in the coating.
Claims17
A pharmaceutical tablet comprising
- a pharmaceutical core containing a placebo or a first drug;
- a compressible coating deposited onto said core, said coating comprising a polymer comprising acrylic acid, an acrylic acid ester, methacrylic acid, or a methacrylic acid ester;
- and
- a second drug compressed onto said compressible coating to form a first compressed layer.
1 more element
A pharmaceutical tablet as claimed in 5 wherein the permeater is a polyethylene glycol.
Dependencies are inferred from the claim text.