Controlled release compositions

Details Controlled release compositions Controlled release compositions

C - Chemistry, Metallurgy

08

B

167/169, 260/217

C08B 11/08 (2006.01) A61K 9/20 (2006.01) C08B 11/00 (2006.01) C08K 5/05 (2006.01)

Patent

CA 1168230

A B S T R A C T Title: Controlled Release Compositions Molecular coordination complexes are formed between a cellulose polymer and a non-polar solid aliphatic alcohol containing 8 to 18 carbon atoms optionally substituted with an aliphatic group containing 8 to 18 carbon atoms by solvating the polymer with a volatile polar solvent and reacting the solvated cellulose polymer directly with the aliphatic composition may be dried. This con- stitutes the complex. The composition has utility as a matrix in controlled release formu- lations since it has a uniform porosity which may be varied.

366770

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