Patents Assigned to Fumian LI
  • Copolymers formed from three components and intraocular lenses made thereof
    Patent number: 6132462
    Abstract: A foldable intraocular lens material which includes 60 to 80 weight % of ##STR1## wherein R.sup.1 is hydrogen or alkyl, and R.sup.2 is unsubstituted alkylene or alkylene substituted by a hydroxyl group; 10 to 30 weight % of ##STR2## wherein R.sup.3 is a single bond or ##STR3## wherein R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are hydrogen or alkyl, m, n, p and q are integers from 1 to 4, and R.sup.4 is hydrogen or alkyl; and 5 to 20 weight % of ##STR4## wherein R.sup.9 is hydrogen or alkyl and R.sup.10 is alkyl.
    Type: Grant
    Filed: June 22, 1998
    Date of Patent: October 17, 2000
    Assignees: Santen Pharmaceutical Co., Ltd., Fumian LI
    Inventor: Fumian Li