Method of using surfactants as contact lens processing aids

Details Method of using surfactants as contact lens processing aids Method of using surfactants as contact lens processing aids

1991-09-05

1993-11-23

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Nonmechanical aftertreatment

134 254, 134 29, 252 41, 252 52A, 264 23, 264334, 264337, 264344, B29D 1100

Patent

active

052641619

ABSTRACT:
An improved method for manufacturing hydrophilic polymeric devices wherein surfactants are added to the hydration bath to assist in the mold release and processing of hydrophilic polymeric devices, especially hydrophilic contact lenses.

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