Inventor
PLANKL WALTER L
US4 patents
Patents
4 patentsUS4486577ADec 4, 1984
Strong, silicone containing polymers with high oxygen permeability
CIBA GEIGY CORP420 citations98
US5334681AAug 2, 1994
Fluorine and/or silicone containing poly(alkylene-oxide)-block copolymer hydrogels and contact lenses thereof
CIBA GEIGY CORP148 citations97
US5115056AMay 19, 1992
Fluorine and/or silicone containing poly(alkylene-oxide)-block copolymers and contact lenses thereof
CIBA GEIGY CORP150 citations97
US4224427ASep 23, 1980
Process for preparing hydrogels as spherical beads of large size
CIBA GEIGY CORP90 citations95