Polymeric system for drug delivery and solute separation

Details Polymeric system for drug delivery and solute separation Polymeric system for drug delivery and solute separation

C - Chemistry, Metallurgy

08

L

C08L 101/12 (2006.01) A61K 9/00 (2006.01) A61K 47/30 (2006.01) C08L 1/28 (2006.01) C08L 33/24 (2006.01) C08L 101/16 (2006.01) A61K 47/32 (2006.01) A61K 47/38 (2006.01)

Patent

CA 2262073

Described is a composite polymeric system to provide enhanced stimuli-responsiveness. The first aspect provides particles where the particles are made of stimuli-responsive polymer which responds to various stimuli such as temperature and pH change. Incorporated with this particle is a second polymer which in turn is relatively insensitive to stimuli. The invention can be potentially applied to other systems comprising a swellable hydrogel and a nonswellable hydrophobic polymer.

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