Patent ID: 9290617
Filing Date: 2016-03-22
CPC Classification: A61K,C08G

Claim Text:
1. A composition comprising: a nanoparticle or microparticle comprising a biodegradable, amphiphilic, copolymer that self-aggregates to form a structure with a hydrophobic interior and a hydrophilic outer surface; and a biomolecule covalently linked to the nanoparticle or microparticle; wherein the covalent link between the biomolecule and the nanoparticle or microparticle comprises a ring formed by a Diels Alder cycloaddition or a Huisgen 1,3-dipolar cycloaddition reaction between a first unsaturated functional group attached to the polymer and a second, complementary, unsaturated functional group attached to the biomolecule.