Patents by Inventor Chong M. Kok

Chong M. Kok 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: 5502139
    Abstract: A cross-linkable polymeric casting composition includinga fluorene diacrylate or dimethacrylate monomer; anda comonomer including a polymerisable double bond.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: March 26, 1996
    Assignee: Sola International Holdings Ltd.
    Inventors: Huan K. Toh, Chong M. Kok
  • Patent number: 5373033
    Abstract: A cross-linkable polymeric casting composition includingA) a polyoxy alkylene glycol diacrylate or dimethacrylate;B) a monomer having a recurring unit derived from at least one radical-polymerisable bisphenol monomer capable of forming a homopolymer having a refractive index of more than 1.55; andC) a urethane monomer having 2 to 6 terminal groups selected from a group comprising acrylic and methacrylic groups.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: December 13, 1994
    Assignee: Sola International Holdings Limited
    Inventors: Huan K. Toh, Chong M. Kok, Michael Pittolo