C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 81/00 (2006.01) C08G 73/02 (2006.01) C08G 77/452 (2006.01) G02B 1/04 (2006.01)
Patent
CA 2351377
The present invention relates to novel crosslinkable amphiphilic block copolymers of formula (1), wherein the variables are as defined in the claims, a process for their preparation and their use for the manufacture of mouldings. The block copolymers of the invention are especially useful for the manufacture of ophthalmic mouldings such as in particular contact lenses.
La présente invention concerne de nouveaux copolymères séquencés amphiphiles réticulables de formule (1) dans laquelle les variables sont telles que dans les revendications, ainsi qu'un procédé de préparation et d'utilisation de ces derniers pour fabriquer des moulages. Les copolymères séquencés selon l'invention sont tout particulièrement utiles pour fabriquer des moulages ophtalmiques tels que des lentilles de contact spécifiques.
Baron Richard Carlton
Hirt Thomas
Holland Troy Vernon
Molenberg Aaldert Rens
Schremmer Jacalyn Mary
Fetherstonhaugh & Co.
Novartis Ag
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