US PATENT SUBCLASS 264 / 2.6
.~ Nonmechanical aftertreatment (e.g., hydration of contact lens, extraction, heat treatment, etc.)

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

1.1  DF  OPTICAL ARTICLE SHAPING OR TREATING {11}
2.6.~ Nonmechanical aftertreatment (e.g., hydration of contact lens, extraction, heat treatment, etc.)

DEFINITION

Classification: 264/2.6

Nonmechanical aftertreatment (e.g., hydration of contact lens, extraction, heat treatment, etc.):

(under subclass 1.1) Processes directed to the treatment of an optical article by means other than mechanical shaping.

(1) Note. This subclass includes most hydrophilic contact lenses.