Process to make a sustained release formulation

Details Process to make a sustained release formulation Process to make a sustained release formulation

2005-05-17

2005-05-17

Spear, James M. (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

C424S484000, C514S012200, C514S016700

Reexamination Certificate

active

06893645

ABSTRACT:
This invention pertains to a process for making a sustained release complex. Compound (I), which comprises Compound (A), having formula (A), and a copolymer comprising poly (l)-lactic-glycolic-tartaric acid (P(I)LGT), wherein the amino group of Compound (A) is ionically bound to a carboxyl group of the (P(I)LGT).

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