Patents by Inventor Maria Puklics

Maria Puklics 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).

  • N-(triaryl-methyl)-amidines, process for the preparation thereof and compositions containing the same
    Patent number: 4051156
    Abstract: A compound selected from the group which consists of the amidine of formula ##STR1## and the phytotoxically acceptable addition salts, hemihydrates and hydrates thereof,R.sup.1, r.sup.2 and R.sup.3 being phenyl or a phenyl group substituted with chlorine, bromine, iodine or fluorine, alkoxy having 1-4 carbon atoms or alkyl having 1 to 4 carbon atoms,R.sup.4 being methyl.
    Type: Grant
    Filed: July 5, 1973
    Date of Patent: September 27, 1977
    Assignee: Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt
    Inventors: Lajos Guczoghy, Todor Pfliegel, Maria Puklics, Laszlo Institoris, Jeno Seres