摘要:
Methods for producing poly�urethane-(meth)acrylate!-based adhesives in which an isocyanate-terminated prepolymer is reacted to convert the isocyanate terminal groups into groups capable of cross-linking with each other, excess isocyanate groups are quenched with an isocyanate group quenching compound and the resulting prepolymer is then irradiated or heated to form the polyurethane-based adhesives, and adhesives produced thereby. Alternatively, a hydroxyl-terminated prepolymer is reacted with a reagent having isocyanate and methacrylate groups to form a prepolymer which is then irradiated or heated.
摘要:
Liquid polyoxaester polymer materials are provided as suspending vehicles suitable for dispensing of pharmaceutically active agents, such as proteins, from delivery devices, for example, pump-driven dosage forms. Polyoxaesters are made from at least one diacid and at least one diol. Through the use of polyoxaesters virtually solvent-free pharmaceutical suspensions can be created.
摘要:
The invention provides punctal plugs for the delivery of active agent to one or both of the tear fluid of the eye and to the nasolacrimal duct. The plugs of the invention have a body, a reservoir contained within the body, and optionally a collarette. The reservoir has at least one opening and contains a polymeric material and at least one active agent.
摘要:
The invention provides novel self-emulsifying diblock copolymers and novel self-emulsifying compositions comprising an active ingredient and a diblock copolymer characterized in that the diblock copolymer is liquid at a temperature below 50° C. and the composition is non-aqueous and liquid at a temperature below 50° C.
摘要:
Copolymers of poly(alkylene oxides) and amino acids or peptide sequences are disclosed, which amino acids or peptide sequences have pendant functional groups that are capable of being conjugated with pharmaceutically active compounds for drug delivery systems and cross-linked to form polymer matrices functional as hydrogel membranes. The copolymers can also be formed into conductive materials. Methods are also disclosed for preparing the polymers and forming the drug conjugates, hydrogel membranes and conductive materials.
摘要:
Copolymers of poly(alkylene oxides) and amino acids or peptide sequences are disclosed, which amino acids or peptide sequences have pendant functional groups that are capable of being conjugated with pharmaceutically active compounds for drug delivery systems and cross-linked to form polymer matrices functional as hydrogel membranes. The copolymers can also be formed into conductive materials. Methods are also disclosed for preparing the polymers and forming the drug conjugates, hydrogel membranes and conductive materials.
摘要:
The invention provides punctal plugs for the delivery of active agent to one or both of the tear fluid of the eye and to the nasolacrimal duct that comprise a body, at least one cap, and optionally a collarette.
摘要:
The invention provides devices useful for the delivery of active agents to the eye in a controlled manner. In the devices of the invention, the active agent is present within the device in a continuous or discontinuous concentration gradient.
摘要:
The present invention is directed to medical devices and pharmaceutical compositions containing a synthetic, bioabsorbable, biocompatible liquid polymer that is the reaction product of a polybasic acid or derivative thereof, a polyol and a fatty acid, the liquid polymer having a melting point less than about 40° C., as determined by differential scanning calorimetry.
摘要:
The invention provides punctal plugs for the delivery of active agents. The plugs have a body throughout which at least one active agent is dispersed or that is coated with a polymeric material containing at least one active agent.