Patents by Inventor Karel J. Van Loon

Karel J. Van Loon 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).

  • Substituted N-(3-hydroxy-4-piperidinyl)benzamides
    Patent number: 5130312
    Abstract: N-(3-hydroxy-4-piperidinyl)substituted benzamides, their N-oxide forms and pharmaceutically acceptable acid-addition salts having gastro-intestinal motility stimulating properties, compositions containing the same, and methods of treating warm blooded animals suffering from a decreased peristalsis of the gastrointestinal system.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: July 14, 1992
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Georges H. P. Van Daele, Freddy F. Vlaeminck, Karel J. Van Loon
  • Substituted N-(3-hydroxy-4-piperidinyl)benzamides as gastrointestinal agents
    Patent number: 4906643
    Abstract: N-(3-hydroxy-4-piperidinyl)substituted benzamides, their N-oxide forms and pharmaceutically acceptable acid-addition salts having gastrointestinal motility stimulating properties, compositions containing the same, and methods of treating warm blooded animals suffering from a decreased peristalsis of the gastrointestinal system.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: March 6, 1990
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Georges H. P. Van Daele, Freddy F. Vlaeminck, Karel J. Van Loon