C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 212/08 (2006.01) B29C 33/38 (2006.01) B29C 61/06 (2006.01) B29D 11/00 (2006.01) B29D 12/00 (2006.01) C08F 218/10 (2006.01) C08F 218/12 (2006.01) B29C 45/00 (2006.01)
Patent
CA 2435808
A shape memory polymer contact lens mold is formed from a sheet of a shape memory polymer in a press, an agile tool or by an agile tool formed by an inert gas at a temperature at or above the glass transition temperature which is thereupon cooled to below the glass transition temperature and removed therefrom.
L'invention concerne un moule de lentille de contact de polymère à mémoire de forme formé à partir d'une feuille de polymère à mémoire de forme dans une presse, un outil agile ou par un outil agile, formé par un gaz inerte à une température identique ou supérieure à la température de transition vitreuse qui est ensuite rabaissée en-dessous de la température de transition vitreuse, puis retiré.
Foley Kenneth W.
Hofmann Gregory J.
Hood Patrick
Rooney Thomas R.
Johnson & Johnson Vision Care Inc.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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