Patents Assigned to AB Wet Talc
  • Patent number: 3993494
    Abstract: A powdered talc-containing material useful, for example, as a parting agent or compound, containing talc together with at least one organic compound which possesses good adhesion properties with respect to talc. The powdered materials preferably contain 1-15% of the said organic compounds, for example, high molecular number organic compounds formed by distillation fractionation of mineral oil having a boiling point exceeding 200.degree. C; aryl and alkyl esters; aryl and alkyl amides of benzene; alkane, alkene and alkyne carboxcylic acids or the corresponding dicarboxcylic acids; polyalcohols; glycerine; silica oil and silicone oil; and secondary alkyl sulphates. The preferred agents are dioctyl phthalate and a combination of glycerine with secondary alkyl sulphate.
    Type: Grant
    Filed: October 25, 1974
    Date of Patent: November 23, 1976
    Assignee: AB Wet Talc
    Inventor: Tage Nyman