Patents Assigned to Vertellus Specialities Inc.
  • Methods for producing biocompatible materials
    Patent number: 8980956
    Abstract: A method for producing polymerizable solution which comprises dissolving an ethylenically unsaturated zwitterionic monomer in a co-monomer system comprising a functionalized ethylenically unsaturated monomer in which the zwitterionic monomer is soluble, a siloxane group-containing monomer or macromer, and a crosslinking agent is disclosed. The polymerizable solution is biocompatible and can be used to produce polymers and articles such as contact lenses.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: March 17, 2015
    Assignee: Vertellus Specialities Inc.
    Inventors: Michael Driver, Qingpu Hou, Jin Hai Wang