Patents by Inventor Louis Durr

Louis Durr 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).

  • Synthetic musk-based composition, its production and applications
    Patent number: 4162221
    Abstract: The composition based on nitrated synthetic musk, contains about 0.5 to 50% y weight with respect to the total composition, of a modifying agent, the complement to 100% being constituted by the nitrated synthetic musk. The modifying agent is a solid non-filmformer, at least partially soluble in lower alcohols and being in addition odorless and non-toxic or non-irritant in contact with human tissue. It is specially useful in the perfumery, washing materials and detergent industries.
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: July 24, 1979
    Assignee: Societe des Produits Chimiques et Matieres Colorantes de Mulhouse
    Inventors: Louis Durr, Francis Legrand