Patent ID: 6432438
Filing Date: 2002-08-13
Classification: A61K,C08K

Abstract:
A method for the formulation of a biodegradable system comprising mixing:(a) at least one biodegradable polymer or copolymer, said polymer or copolymer selected from the group consisting of homopolymers or copolmers of polyesters, polyorhoesters, polylactides, polyglycolides, polycaprolactones, polyhydroxybutyrates, polyhydroxyvalerates, polyamino acids, pseudopolyamino acids, polyamides and polyanhydrides; (b) at least two plasticizers, wherein at least one plasticizer is hydrophilic and at least one plasticizer is hydrophobic; and (c) at least one biologically active substance; to produce a biologically active substance-loaded biodegradable vehicle.