Patents by Inventor Khai Leok Chan

Khai Leok Chan 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).

  • Polymers, their preparation and uses
    Patent number: 11183648
    Abstract: A polymer containing an optionally substituted repeat unit of formula (I) wherein each R is the same or different and represents H or an electron withdrawing group, and each R1 is the same or different and represents a substituent.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: November 23, 2021
    Assignees: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Carl R. Towns, Chris Mak, Khai Leok Chan, Andrew Bruce Holmes
  • POLYMERS, THEIR PREPARATION AND USES
    Publication number: 20160343961
    Abstract: A polymer containing an optionally substituted repeat unit of formula (I) wherein each R is the same or different and represents H or an electron withdrawing group, and each R1 is the same or different and represents a substituent.
    Type: Application
    Filed: July 12, 2016
    Publication date: November 24, 2016
    Applicants: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Carl R. Towns, Chris Mak, Khai Leok Chan, Andrew Bruce Holmes
  • Polymers, their preparation and uses
    Patent number: 9419233
    Abstract: A polymer containing an optionally substituted repeat unit of formula (I) wherein each R is the same or different and represents H or an electron withdrawing group, and each R1 is the same or different and represents a substituent.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: August 16, 2016
    Assignees: CAMBRIDGE DISPLAY TECHNOLOGY LIMITED, CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Carl R. Towns, Chris Mak, Khai Leok Chan, Andrew Bruce Holmes