Patents by Inventor Alfred Meffert

Alfred Meffert 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).

  • Stable aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils
    Patent number: 4299737
    Abstract: This invention relates to clear, stable aqueous or aqueous-alcoholic solutions of fat-soluble perfume oils which contain hydroxyalkylether alkoxylates as solubilizers. Said solubilizers are prepared by reacting epoxyalkanes with mono- or polyfunctional alcohols and then reacting the reaction product thereof successively with propylene oxide and ethylene oxide.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: November 10, 1981
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Alfred Meffert, Fanny Scheuermann, Achim Werdehausen