Process for preparing soft tinted lenses

Details Process for preparing soft tinted lenses Process for preparing soft tinted lenses

1997-11-24

2000-04-11

Diamond, Alan

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Contact lens

8506, 8543, 264 11, 351162, 351160H, D06P 500

Patent

active

060483717

ABSTRACT:
A process for preparing a soft, tinted lens is described. The process comprises the steps of softening and tinting a xerogel lens 1, wherein the softening and the tinting are achieved by immersing the xerogel lens 1 in a single solution 5 capable of softening and tinting the xerogel lens 1.

REFERENCES:
patent: 3220960 (1965-11-01), Wichterle et al.
patent: 4038264 (1977-07-01), Rostoker et al.
patent: 4267295 (1981-05-01), Gallop et al.
patent: 4379864 (1983-04-01), Gallop et al.
patent: 4401797 (1983-08-01), Gallop
patent: 4452776 (1984-06-01), Refojo
patent: 4494954 (1985-01-01), Suminoe et al.
patent: 4534916 (1985-08-01), Wichterle
patent: 4543371 (1985-09-01), Gallop et al.
patent: 4559059 (1985-12-01), Su
patent: 4634722 (1987-01-01), Gallop
patent: 4733959 (1988-03-01), Claussen et al.
patent: 4786446 (1988-11-01), Hammar et al.
patent: 4861152 (1989-08-01), Vinzia et al.
patent: 4865440 (1989-09-01), Neefe
patent: 4891046 (1990-01-01), Wittmann et al.
patent: 4963160 (1990-10-01), Hung et al.
patent: 5032658 (1991-07-01), Baon et al.
patent: 5037913 (1991-08-01), Leussler et al.
patent: 5177168 (1993-01-01), Baron et al.
patent: 5204383 (1993-04-01), Manabe et al.
patent: 5266077 (1993-11-01), Auten et al.
patent: 5346978 (1994-09-01), Baron et al.
patent: 5362768 (1994-11-01), Askari et al.
patent: 5498681 (1996-03-01), Askari et al.
patent: 5516467 (1996-05-01), Niwa et al.
patent: 5532289 (1996-07-01), Benz et al.
Yasuda et al. "Hydrogels of Poly(hydroyethyl Methacrylate) and Hydroxyethyl Methacrylate-Glycerol Monomethacrylate Copolymers", Journal of Polymer Science Part A-1, vol. 4, pp. 2913-2927 (1966) (Month Unknown).
Macret et al "Hydroxyalkyl Methacrylates: hydrogel formation based on the radical copolymerization of 2-hydroxyethyl-methacrylate and 2,3-dihydroxypropyl-methacrylate", Polymer, 1982, vol. 23, May, pp. 748-753.
Businger, "GMA/HEMA: First Report on a Clinical Trial", Spectrum, pp. 19-25, Aug. 1995.

Affiliated with

Also associated with

Rating

Process for preparing soft tinted lenses does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing soft tinted lenses, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing soft tinted lenses will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1173556