Inventor
VON DER HAEGEN HARRO M
DE4 patents
Patents
4 patentsUS5198477AMar 30, 1993
Contact lenses made from thermoformable material
CIBA GEIGY CORP60 citations94
US5408280AApr 18, 1995
Process for rendering contact lenses hydrophilic
CIBA GEIGY CORP25 citations91
US5196493AMar 23, 1993
Polymers and hard, gas-permeable contact lenses made therefrom
CIBA GEIGY CORP40 citations90
US5264878ANov 23, 1993
Polymers and hard, gas-permeable contact lenses made therefrom
CIBA GEIGY CORP6 citations60