Improved tinted contact lens and method of manufacture thereof

Details Improved tinted contact lens and method of manufacture thereof Improved tinted contact lens and method of manufacture thereof

B - Operations, Transporting

29

D

B29D 11/02 (2006.01) B29D 11/00 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01) G02C 7/10 (2006.01)

Patent

CA 2048411

An improvement in a process for preparing a contact lens tinted over at least a pardon of its surface, having the steps of forming a tinting solution having a reactive dyestuff and applying the tinting solution to a polymeric hydrogel contact lens material, wherein the improvement comprises adding an effective amount of a phosphonium quaternary salt to the tinting solution before the applying step.

Affiliated with

Also associated with

Rating

Improved tinted contact lens and method of manufacture thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Improved tinted contact lens and method of manufacture thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Improved tinted contact lens and method of manufacture thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1468363