Patents by Inventor Jana Kudelkova

Jana Kudelkova has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4916197
    Abstract: The solution pertains to a hydrophilic copolymer suitable in particular for contact and intraocular lenses and medical applications and to a method for its production.The solution consists in a hydrophilic copolymer which can be prepared by copolymerization of 5 to 95 wt.-% 1-vinyl-2-pyrrolidone with 95 to 5 wt.-% alkylene glycol acetate methacrylates or acrylates of the general formula I ##STR1## where R is the group CH.sub.2 .dbd.CH-- or CH.sub.2 .dbd.C(CH.sub.3)-- and n means an integer 1 to 3, in the presence of 0.01 to 50 wt.-% of a crosslinking agent under the conditions of radical copolymerization in the presence of radical initiators.
    Type: Grant
    Filed: July 7, 1989
    Date of Patent: April 10, 1990
    Assignee: Ceskoslovenska akademie ved
    Inventors: Jiri Vacik, Jana Kudelkova