Patents by Inventor Christo Assenov Drandarewski

Christo Assenov Drandarewski 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).

  • 1-(1-Acylamino-2,2,3-trichloro-propyl)-imidazoles and 1,2,4-triazoles
    Patent number: 4087533
    Abstract: Compounds of the formula ##STR1## wherein R is hydrogen, alkyl of 1 to 12 carbon atoms, mono- or di-halo(alkyl of 1 to 12 carbon atoms), phenoxy (alkyl of 1 to 12 carbon atoms), lower alkyl-phenoxy(alkyl of 1 to 12 carbon atoms), halo-phenoxy (alkyl of 1 to 12 carbon atoms), phenyl(alkyl of 1 to 12 carbon atoms), halo-phenyl(alkyl of 1 to 12 carbon atoms), lower alkyl-phenyl(alkyl of 1 to 12 carbon atoms), lower alkoxy-phenyl(alkyl of 1 to 12 carbon atoms), lower alkenyl, phenyl-lower alkenyl, phenyl, halo-phenyl, nitro-phenyl, lower alkoxy, furyl or cycloalkyl, andY is nitrogen or .dbd.CH--;the compounds are useful as fungicides.
    Type: Grant
    Filed: July 26, 1976
    Date of Patent: May 2, 1978
    Assignee: Celamerck GmbH & Co., KG
    Inventors: Jurgen Curtze, Klaus Thomas, Walter Ost, Christo Assenov Drandarewski