Polymeric compositions comprising therapeutic agents in...

Details Polymeric compositions comprising therapeutic agents in... Polymeric compositions comprising therapeutic agents in...

2005-12-29

2010-11-30

Azpuru, Carlos A (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

C977S904000, C977S906000

Reexamination Certificate

active

07842312

ABSTRACT:
The present invention relates to a drug-containing polymeric composition comprising at least one therapeutic agent encapsulated in at least one biocompatible polymer, wherein at least a portion of the therapeutic agent in this polymeric composition is crystalline. The at least one biocompatible polymer may form a substantially continuous polymeric matrix with the at least one therapeutic agent encapsulated therein. Alternatively, the at least one biocompatible polymer may form polymeric particles with the at least one therapeutic agent encapsulated therein.

REFERENCES:
patent: 3929992 (1975-12-01), Seghal, et al.
patent: 2003/0125800 (2003-07-01), Shulze et al.
patent: 1362602 (2003-11-01), None
patent: 1721625 (2006-11-01), None
patent: 1723976 (2006-11-01), None
patent: WO 99/21908 (1999-05-01), None

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