Patents by Inventor Vahid Sendijarevic

Vahid Sendijarevic 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).

  • Interpenetrating polymer networks for contact lens production
    Patent number: 5674942
    Abstract: The present invention is directed to an interpenetrating polymer network comprised of a polyurea network interpenetrated with a polyacrylic network and the article of manufacture, such as a contact lens, made therefrom.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: October 7, 1997
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: Gregory A. Hill, Kurt C. Frisch, Vahid Sendijarevic, Shaio-Wen Wong
  • Reaction injection molding as a process to prepare contact lenses
    Patent number: 5656210
    Abstract: The present process is directed to using a reaction injection molding process to make contact lenses made up of an interpenetrating polymer network of polyurea and polyacrylic by the reaction injection molding process.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: August 12, 1997
    Assignee: Johnson & Johnson Vision Products, Inc.
    Inventors: Gregory A. Hill, Kurt C. Frisch, Vahid Sendijarevic, Shaio-Wen Wong