Patents by Inventor Csaba Tarr

Csaba Tarr 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).

  • Process for the production of N,N-disubstituted carboxylic amides
    Patent number: 3941783
    Abstract: A process for the production of N,N-disubstituted carboxylic amides by reacting carboxylic acid with carbamoyl chloride.
    Type: Grant
    Filed: December 4, 1973
    Date of Patent: March 2, 1976
    Assignee: Eszakmagyarorszagi Vegyimuvek
    Inventors: Erzsebet Grega, Pal Gribovszky, Sandor Marosvolgyi, Zoltan Pinter, Gyula Szilagyi, Istvan Szita, Csaba Tarr, Laszlo Tasi