Fatty acid terminated polyanhydrides

Details Fatty acid terminated polyanhydrides Fatty acid terminated polyanhydrides

C - Chemistry, Metallurgy

08

G

C08G 67/04 (2006.01) A61K 47/34 (2006.01)

Patent

CA 2118584

Fatty acid terminated polyanhydrides suitable for use as controlled release matrices in biodegradable sustained release drug delivery systems and methods for making thereof as described. The polymers are more soluble in organic solvents, and have a lower melting point than the corresponding non-fatty acid terminated polyanhydrides. The fatty acid terminated polyanhydrides are also more hydrophobic than the corresponding polyanhydrides that are not terminated with a fatty acid, and combine the properties of thermodynamic and hydrolytic stability, and easy storage. The polymers can be produced with a controlled and low molecular weight. The polyanhydrides are useful in a number of applications, including as a matrix in biodegradable drug delivery systems.

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