Patents Examined by S. P. Treanor
  • Ferroelectric liquid crystal compounds and compositions
    Patent number: 4835295
    Abstract: Chiral, nonracemic compounds of the general formula: ##STR1## wherein n=1 or 2, Y is a hydrogen, fluorine, chlorine or bromine atom, R' is an alkyl or alkoxy group having three to fifteen carbons, and R is an alkyl group having three to fifteen carbons, which are useful as ferroelectric liquid crystal components having high polarization are described. Also described are compounds of the same general formula in which X is OH, which are useful as synthetic intermediates in the preparation of the FLC components of the present invention.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: May 30, 1989
    Assignee: The University of Colorado Foundation, Inc.
    Inventors: David M. Walba, Homaune A. Razavi