Patents by Inventor Joza Habjan

Joza Habjan 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
  • Process for preparing N-cyano-N'methyl-N"-{2-[(4-methyl-5-imidazolyl)-methylthio]-ethyl} guanidine
    Patent number: 4200761
    Abstract: A process of preparing ##STR1## by reacting 4-thiomethyl-5-methyl imidazole with N-cyano-N'-methyl-N"-(2-chloroethyl) guanidine in a two-phase system under the conditions of phase transfer catalysis.
    Type: Grant
    Filed: April 18, 1979
    Date of Patent: April 29, 1980
    Assignee: LEK, tovarna farmacevtskih in kemicnih izdelkov, n.sol.o.
    Inventors: Branko Jenko, Igor Langof, Joza Habjan