Patents by Inventor Ralph O. Lipp

Ralph O. Lipp 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).

  • Histamine derivative, process for preparing it and its therapeutic use
    Patent number: 5034539
    Abstract: The present invention relates to .alpha.,.beta.-dimethylhistamine, of the rmula: ##STR1## in racemic form, or an optical isomer form or mixture of diastereoisomers and its acid addition salts. It may be prepared from an alkyl 2-amino 3-(1H-imidazol-4-yl)-carboxylate.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: July 23, 1991
    Assignees: Institut National de la Sante et de la Recherche Medicale (INSERM), Bioproject
    Inventors: Jean-Michel Arrang, Monique Garbarg, Walter Schunack, Jean-Charles Schwartz, Ralph O. Lipp
  • Pharmaceutical compositions and methods for stimulating H.sub.3 histamine receptors
    Patent number: 4767778
    Abstract: The invention relates to a pharmaceutical composition containing histamine derivatives and to a method for treating diseases which involve histamine release and synthesis in the human or animal body.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: August 30, 1988
    Assignee: Institut National de la Sante et de la Recherche Medicale (INSERM)
    Inventors: Jean-Michel Arrang, Monique Garbarg, Walter Schunack, Jean-Charles Schwartz, Ralph O. Lipp