C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 101/00 (2006.01) C08F 220/22 (2006.01) C08F 246/00 (2006.01) C08L 33/00 (2006.01) C08L 57/00 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01)
Patent
CA 2059258
A polymeric composition suitable for use in ophthalmic devices such as contact lenses, intraocular lenses and other medical and non-medical devices which composition comprises a copolymer that incorporates repeating units containing a solvolyzable group and various desired hydrophilic repeating units in predetermined ratios, which copolymer is mechanically stable and upon hydration the dimensions of polymeric articles which as formed therefrom can be controlled. In particular, the hydrophilic compositions resulting from the invention are useful in applications where stresses and distortions of the polymer article due to water absorption etc must be minimized or, if possible, eliminated.
Askari Syed Hasan
Jeang Shao Chang
Neidlinger Hermann Heinrich
Askari Syed Hasan
Fetherstonhaugh & Co.
Jeang Shao Chang
Neidlinger Hermann Heinrich
Novartis Ag
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