Patents by Inventor Yuri Shona Pek

Yuri Shona Pek 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).

  • FAST-RESPONSE PHOTOCHROMIC NANOSTRUCTURED CONTACT LENSES
    Publication number: 20120309761
    Abstract: A bicontinuous microemulsion of water, a monomer, and a surfactant copolymerizable with the monomer is polymerized to form a polymeric material, the polymeric material comprising a polymer matrix defining interconnected pores. The polymeric material may additional comprise at least one photochromic agent. The photochromic agent may be dispersed in one or both of the polymer matrix or the interconnected pores. The polymeric material may be used to form photochromic articles including ophthalmic articles such as contact lenses.
    Type: Application
    Filed: October 27, 2010
    Publication date: December 6, 2012
    Applicant: Agency for Science, Technology and Research
    Inventors: Edwin Pei Yong Chow, Jackie Y. Ying, Yuri Shona Pek