Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Reexamination Certificate
2011-07-05
2011-07-05
Wax, Robert A (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
C426S512000
Reexamination Certificate
active
07972624
ABSTRACT:
In one embodiment a dosage form comprises at least one active ingredient and a molded matrix which comprises 10-100% of a material having a melting point of less than about 100 degrees C. selected from the stamp consisting of thermoplastic polyalkylene oxides, low melting hydrophobic materials, thermoplastic polymers, thermoplastic starches and combinations thereof, and the matrix is capable of providing modified release of the active ingredient upon contacting of the dosage form with a liquid medium. The dosage form may additionally comprise uncoated particles which may contain at least one active ingredient. In another embodiment, a dosage form comprises at least one active ingredient, a plurality of particles and a molded matrix, wherein at least a portion of the particles are coated. The coated particles, the matrix or both may comprise at least one active ingredient, and the coated particles or the matrix or a combination thereof is capable of providing modified release of the active ingredient upon contacting of the dosage form with a liquid medium.
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Lee Der-Yang
Li Shun-Por
Sowden Harry S.
Thomas Martin
Wynn David
Donnelly Laura
Palenik Jeffrey
Wax Robert A
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