Patents by Inventor Jean-Claude Dudois

Jean-Claude Dudois 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).

  • Fluorinated liquid crystals
    Patent number: 5298188
    Abstract: The disclosure relates to fluorinated chiral liquid crystals that incorporate a cyclohexyl grouping in their structure. They can be used as dopants and lead to mixtures of ferroelectric liquid crystals that have an application in display systems. They meet the following chemical formula. ##STR1## with 1.ltoreq.n.ltoreq.14 if X=CH.sub.2 Y=--CH.sub.2 -- with R=CmH.sub.2m+1 and 5.ltoreq.m.ltoreq.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: March 29, 1994
    Assignee: Thomson-CSF
    Inventors: Marie Vergnolle, Francoise Soyer, Pierre Le Barny, Jean-Claude Dudois