C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 77/46 (2006.01) C07F 7/18 (2006.01) C07F 7/21 (2006.01) C08F 290/06 (2006.01) G02C 7/04 (2006.01)
Patent
CA 2738232
There is provided a mono-(meth)acrylate functionalized hydrophilic silicone monomers containing a polyether with branched linking group, useful in making water absorbing silicone- hydrogel films for contact lens applications. This invention also provides homo-polymers and copolymers made from the mono-(meth)acrylate functionalized hydrophilic silicone monomers described herein. Also provided is a process for producing the monomers and polymers described herein and contact lenses produced from the same.
La présente invention concerne des monomères de silicone hydrophiles portant des fonctions mono-acrylate ou mono-méthacrylate et comprenant un polyéther portant un groupement liant ramifié, lesdits monomères pouvant être employés dans la fabrication de pellicules de silicone-hydrogel hydroabsorbantes pour des applications de type lentilles de contact. La présente invention concerne également des homopolymères et des copolymères fabriqués à partir des monomères de silicone hydrophiles portant des fonctions mono-acrylate ou mono-méthacrylate décrits dans la présente invention. La présente invention concerne en outre un procédé de production des monomères et des polymères décrits dans la présente invention et des lentilles de contact produites à partir desdits monomères et polymères.
Guyer Kendall Louis
Lewis Kenrick Martin
Saxena Anubhav
Umapathy Senthilkumar
Wang Yi-Feng
Mcfadden Fincham
Momentive Performance Materials Inc.
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