C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 51/06 (2006.01) A61K 47/48 (2006.01) C08J 3/12 (2006.01) C08J 3/24 (2006.01)
Patent
CA 2660289
Polymer particles including a covalently bonded chemical species, as well as related compositions and methods are disclosed. In one aspect, the invention features a particle that includes a polymer a chemical species covalently bonded to the polymer. The polymer includes vinyl alcohol monomer units, and the chemical species is selected from polymers, oligomers and monomers. The particle has a maximum dimension of 5,000 microns or less. In another aspect, the invention features a particle that includes a polymer, a chemical species covalently bonded to the polymer and a therapeutic agent. The polymer includes at least five weight percent vinyl alcohol monomer units and at least five weight percent vinyl formal monomer units. The chemical species is selected from polymers, oligomers and monomers and the particle has a maximum dimension of 5,000 microns or less.
L'invention porte sur des particules polymères comprenant une espèce chimique liée de manière covalente, ainsi que sur des compositions et des procédés correspondants.
Kaul Goldi
Lanphere Janel L.
Mi Lyn Tan Sharon
Richard Robert
Boston Scientific Limited
Smart & Biggar
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