Patents by Inventor Freddy C. Baeyens

Freddy C. Baeyens 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).

  • Preparation of .alpha.-acylacetamides using tetramethyl guanidine condensing agent
    Patent number: 4131735
    Abstract: A method is described for preparing an .alpha.-substituted-.alpha.-acylacetamide wherein an .alpha.-acyl-.alpha.-halo-acetamide is allowed to react with an organic compound with pKa between 7 and 12 in a medium of an aprotic solvent and in the presence of a tetraalkylguanidine as basic condensing agent.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: December 26, 1978
    Assignee: AGFA-GEVAERT, N.V.
    Inventors: Raphael K. Van Poucke, Freddy C. Baeyens, Paul A. Mortelmans