Mold materials for silicone containing lens materials

Details Mold materials for silicone containing lens materials Mold materials for silicone containing lens materials

1993-01-14

1993-12-28

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523106, 523108, 523113, 526279, 526245, 526260, 526243, 526263, 526247, 526248, C08F23008

Patent

active

052740080

ABSTRACT:
When molding shaped articles such as contact lenses from monomeric mixtures containing silicone monomers and hydrophilic monomers, the wettability of the resulting article is improved by using a mold material produced from a resin comprising a copolymer of an alpha, beta, olefinically unsaturated mononitrile and at least one comonomer to enhance melt processability.

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