Patents by Inventor Assya I. Pavluchenko

Assya I. Pavluchenko 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).

  • Patent number: 5284956
    Abstract: Compounds of the formula ##STR1## wherein R.sup.1 is alkyl or trans-4-alkylcyclohexyl andR.sup.2 is alkyl, alkoxy or trans-4-alkylcyclohexyl their preparation, liquid crystalline mixtures containing these compounds and their use for electro-optical purposes.
    Type: Grant
    Filed: March 25, 1992
    Date of Patent: February 8, 1994
    Assignees: Hoffmann-La Roche Inc., Niopic Moscow Research and Production Association
    Inventors: Richard Buchecker, Assya I. Pavluchenko, Vladimir F. Petrov, Martin Schadt, Natalia I. Smirnova, Victor V. Titov