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Essilor International (Compangnie Generale D'Optique)

Essilor International (Compangnie Generale D'Optique) Patent applications
Patent application numberTitlePublished
20090076185Method for the preparation of a transparent thermosetting polymer / thermoplastic polymer blend type material and its use in optics for the manufacture of organic glasses - The present invention relates to a method for the preparation of a transparent moulding comprising a blend of a thermoset polymeric material forming the matrix of said article, and a thermoplastic polymeric material, dispersed within said thermoset polymeric material, said process comprising at least the following stages: 03-19-2009
20080299881Device for Blocking Optical Elements - The invention concerns a locking device comprising a rigid base (12-04-2008