Patents by Inventor Anton Prosen

Anton Prosen 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 preparing 4-(n-hexadecylamino)-benzoic acid
    Patent number: 4304929
    Abstract: Preparation of 4-(n-hexadecylamino)-benzoic acid or salt thereof employing as catalyst quaternary ammonium or phosphonium salt.
    Type: Grant
    Filed: March 7, 1980
    Date of Patent: December 8, 1981
    Assignee: LEK tovarna farmacevtskih in kemicnih izdelkov, n.sol.o.
    Inventors: Branko Jenko, Natasa Hafner-Milac, Joza Habjan, Anton Prosen, Igor Langof