Societe D'exploitation De Produits Pour Les Industries Chimiques Seppic

Yves Duccini

Gérard Trouve

Sandra Lefebvre

A water-insoluble composition, solid in appearance at a temperature of less than or equal to 20&#xb0; C., comprising, for 100% of the mass of same: &#x2014;X1% by mass of at least one lipophilic surfactant having a value HLB, H1, greater than or equal to 1 and less than 10; &#x2014;X2% by mass of at least one hydrophilic surfactant having a value HLB, H2, greater than or equal to 10 and less than or equal to 20; characterised by the fact that the HLB of same=X1.H1+X2.H2, X1 and X2 varying from 2 to 60, and characterised in that it is free of acrylic polymer and/or of acetate succinate.

Controlled release of active substances

Disclosed is a composition of ion-exchange resins made from a styrene-divinylbenzene copolymer or an acrylic-divinylbenzene copolymer filled with at least one lipoaminoacid with the formula (I), in which Ris the chain characterizing a fatty acid, saturated or unsaturated, linear or branching, including 7 to 21 atoms of carbon, Ris the chain characterizing an amino acid and m is between 1 and 50, or a mixture of the compounds with the formula (I).

Growing community of inventors

Vielmur/agout, France

Yves Duccini