Process for preparing objects made of biocompatible hydrogel for uses thereof in the medical field, and more particularly in ophthalmology

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United States of America Patent

PATENT NO 9999708
SERIAL NO

14407506

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Abstract

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The present invention relates to a process for manufacturing an object made of biocompatible hydrogel by molding a polymer solution in a mold made of a particular material, said process comprising the following steps:

    (i) preparation of a polymer solution by dissolving a copolymer of acrylonitrile and of an olefinically unsaturated co-monomer bearing anionic groups in an aprotic solvent, optionally in the presence of a nonsolvent,(ii) shaping and the start of gelation of the polymer solution obtained at the end of step (i) in a mold consisting of a material containing said nonsolvent or of a material permeable to said nonsolvent,(iii) immersion of the object undergoing gelation resulting from step (ii) in a nonsolvent.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Laroche, Laurent Paris, FR 3 31

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