Patents by Inventor Hubert Karel Frans Hermans

Hubert Karel Frans Hermans 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).

  • Imidazolium salts
    Patent number: 4017631
    Abstract: Novel quaternary imidazolium salts substituted on one nitrogen of the imidazolium cation with a ##STR1## group in which each A is an aryl radical and B is an aliphatic, aryl-substituted aliphatic or aromatic radical, said salts being useful as antimicrobial agents.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: April 12, 1977
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Paul Adriaan Jan Janssen, Jan Heeres, Hubert Karel Frans Hermans
  • Imidazolium salts
    Patent number: 3991202
    Abstract: Novel quaternary imidazolium salts substituted on one nitrogen of the imidazolium cation with a ##EQU1## group in which each A is an aryl radical and B is an aliphatic, aryl-substituted aliphatic or aromatic radical, said salts being useful as antimicrobial agents.
    Type: Grant
    Filed: November 19, 1974
    Date of Patent: November 9, 1976
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Paul Adriaan Jan Janssen, Jan Heeres, Hubert Karel Frans Hermans