Patents by Inventor Huu Tinh Nguyen

Huu Tinh Nguyen 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).

  • Liquid crystal materials having a formula containing a diphenylethane nucleus
    Patent number: 4212762
    Abstract: Novel mesomorphic substances, constituting, in certain temperature ranges, nematic or smectic liquid crystals which are compounds of the formula: ##STR1## wherein R.sub.1 is an alkyl or alkoxy group containing 1 to 10 atoms of carbon;R.sub.2 is Br, CN or an alkyl (or an alkoxy) group containing 1 to 10 atoms of carbon.
    Type: Grant
    Filed: November 21, 1978
    Date of Patent: July 15, 1980
    Assignee: Thomson-CSF
    Inventors: Jean-Claude Dubois, Huu Tinh Nguyen, Annie Zann