Patent AT-E399570-T1: [Translated] STABILIZATION OF POLYOXYALKYLENE
Description
The present invention provides a method for producing a medical device, preferably an ophthalmic device, more preferably a contact lens, made of a stabilized poly(oxyalkylene)-containing polymeric material. The method of the invention comprises the steps of: curing, in a mold, a composition comprising (a) a prepolymer having at least one poly(oxyalkylene) unit, (b) a biocompatible organic multi-acid or biocompatible salt thereof in an amount sufficient to improve the stability of the poly(oxyalkylene)-containing polymer made from the composition, (c) optionally a photoinitiator or a thermal initiator, and (d) optionally one or more vinylic monomers, to form the medical device being less susceptible to oxidative degradation; and removing the medical device from the mold.
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Access the complete Patent AT-E399570-T1: [Translated] STABILIZATION OF POLYOXYALKYLENE on the official website. |
https://pubchem.ncbi.nlm.nih.gov/patent/AT-E399570-T1 |
Tags
- patent
- chemistry
- research
- innovation
- pubchem