Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to novel siloxanyl random copolymers bearing polymerizable activated unsaturated end-groups and containing a hydrophilic, cationic substituent in the polymer chain which are capable of polymerization to form transparent polymeric compositions having high water contents; characteristics useful in the manufacture of ophthalmic devices.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic random copolymers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymer compositions comprise polymerized siloxane prepolymer containing pendant cationic and polymerizable groups.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic random copolymers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymer compositions comprise siloxane prepolymer containing pendant and end-capping cationic and polymerizable groups.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymeric compositions comprise polymerized cationic hydrophilic siloxanyl monomers prepared by the process disclosed herein.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymeric compositions comprise polymerized cationic hydrophilic siloxanyl monomers.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymer compositions comprise polymerized silicon-containing monomers end-capped with polymerizable cationic hydrophilic groups.

Abstract: Biomedical devices formed from a polymerization product of a monomeric mixture comprising one or more monomers comprising at least two trifluorovinyl groups are provided. Also provided are biomedical devices formed from a network of a polymer comprising one or more perfluorocyclobutane rings in the polymer backbone wherein the network is formed by crosslinks in the polymer.

Abstract: The present invention provides copolymer having repeating units based on polyoxyalkylene radicals, polysiloxane radicals and perfluorocyclobutane radicals. The copolymers are useful as biomedical devices such as contact lenses or intraocular lenses.

Abstract: The present invention provides prepolymers based on poly(alkyl ethers) having terminal triflurovinyl aromatic containing groups and polymers produced from such polymers. The prepolymers and polymers are useful as biomedical devices such as contact lenses or intraocular lenses.

Abstract: Biomedical devices are provided herein which are formed from a polymerization product of a monomeric mixture comprising one or more monomers comprising one or more trifluorovinyl groups, e.g., a perfluorocyclobutane containing polymer.

Abstract: Polymerization products formed from a monomeric mixture comprising (a) one or more first monomers of the general formula I: A—L—R1—(X—CF?CF2)n ??(I) wherein R1 represents one or more inertly substituted groups; X is independently a group which links the inertly substituted groups and the trifluorovinyl group; L is an optional linking group; A is CO2Z, SO2Z, PO3Z, or OPO3Z wherein Z is hydrogen or an alkali metal and n is an integer of 1 to about 1000; (b) one or more second crosslinking monomers comprising at least three trifluorovinyl groups and (c) one or more prepolymers comprising one or more trifluorovinyl groups are provided. Also provided are biomedical devices formed from such polymerization products.

Abstract: The present invention is directed to new polycyclicaromatic-ethynyl terminated materials that possesses excellent mechanical and chemical properties for high-performance composite application that can be cured at lower temperatures than phenyl-ethynyl terminated imide materials.