Patent ID: 11945181
Assignee: ALCON INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  C  G | IPC B  C  G

Claim 17:
18. The method of claim 17, wherein the organic solvent has a boiling point of lower than 105° C., wherein the method further comprises, between steps (3) and (4), the steps of: raising oven temperature to a post-curing temperature of about 110° C. or higher while increasing the flow rate of nitrogen gas through the oven to a second flow rate which is at least about 2.0 times of the first flow rate; and heating the lens mold with the unprocessed photochromic silicone hydrogel contact lens therewithin in the oven at the post-curing temperature under nitrogen gas flow through the oven at the second flow rate for at least about 30 minutes.