Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Reexamination Certificate
2006-09-05
2006-09-05
Tran, S. (Department: 1615)
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
C424S489000, C424S490000, C424S491000, C424S493000, C424S496000, C424S497000, C424S422000
Reexamination Certificate
active
07101566
ABSTRACT:
The present invention is directed to sustained release microparticle formulation for parenteral administration of biologically active substances, especially drugs. More specifically it relates to coated drug containing microparticles, wherein the coating is a synthetic, bioabsorbable, biocompatible polymeric wax that is the reaction product of a polybasic acid or derivative thereof, a polyol and a fatty acid, the polymeric wax having a melting point less than about 70° C., as determined by differential scanning calorimetry.
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Cui Han
Kataria Ram L.
Rosenblatt Joel
Wu Chuanbin
Ethicon Inc.
Tran S.
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