Patents by Inventor Charles Leon Lapiere

Charles Leon Lapiere 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).

  • Certain pyridine carboxamide derivatives
    Patent number: 4002629
    Abstract: This invention relates to compounds of the formula: ##STR1## wherein R.sub.1 in the 3- or 5-position is a carboxamido group whereas R.sub.2 in the 2-position is a 1-methyl-piperazinyl group.Said compounds may be used as anti-inflammatory and cardiovascular agents.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: January 11, 1977
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Leopold N. Thunus, Charles-Leon Lapiere, Andre H. Georges
  • 2-(4-Methyl-piperazino)-3 or 5 cyano pyridine
    Patent number: 3980652
    Abstract: This invention relates to compounds of the formula ##SPC1##Wherein R.sub.1 in the 3- or 5-position is a cyano group whereas R.sub.2 and in the 2-position is a N-methyl-piperazinyl group.Said compounds may be used as anti-inflammatory and cardiovascular agents.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: September 14, 1976
    Assignee: A. Christiaens Societe Anonyme
    Inventors: Jacques E. Delarge, Leopold N. Thunus, Charles Leon Lapiere, Andre H. Georges