Dsm IP Assets B.v.

Dsm Biomedical Inc.

Durgaprasad Chalasani

Li Li

Robert S Ward

Patrick F Kiser

Shanger Wang

Meredith Roberts Clark

James Parakka

Ananth V Iyer

Intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I): Also, method comprising administering one or more pharmaceutically active substances to a patient in need thereof.

Intravaginal ring comprising polyurethane composition for drug delivery

The invention is directed to an intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I):  The invention is further directed to administering one or more pharmaceutically active substances to a patient in need thereof.

Silicone-containing monomer of formula (I); wherein said silicone-containing monomer comprises a silicone-containing moiety and an oxazolidinone moiety and wherein R is a silicone-containing moiety, and Rmay be an H, wherein A represents the oxazolidinone ring of the oxazolidinone moiety and Ris a divalent Calkylene or Carylalkylene. The monomer is used for the preparation of a composition for use in manufacturing of ophthalmic lenses potentially with anti-infective properties. Also, methods of making the present monomers are described.

Silicone-containing monomer

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Durgaprasad Chalasani