Patents Assigned to Extractive
  • Patent number: 6673952
    Abstract: The invention concerns a method for extracting and fractionating fats contained in a raw material, characterized in that it comprises at least a step which consists in using an extraction solvent consisting of at least a hydrofluoroether of general formula (I): CnF2n+1OCmH2m+1, wherein: n ranges between 3 and 6 and m ranges between 1 and 5 and at least a separation step enabling to obtain a raw extract of fats rich in unsaponifiable substances and optionally, in free fatty acids and a insoluble extraction fraction.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: January 6, 2004
    Assignee: Extractive
    Inventors: Benoit LeMaire, Michel Surbled, Jacques Zwegers, Bernard Mompon
  • Patent number: 6573235
    Abstract: The invention concerns a cosmetic composition comprising at least an aromatic compound and at least an agent for dissolving said aromatic compound, characterized in that said dissolving agent consists of perfluorinated hydrofluoroether preferably having a total number of carbon atoms not less than 5 and consisting of a perfluoroalkane chain, branched or not, cyclized or not, bound to an alkoxy group, said alkoxy group having a number of atom(s) between 1 and 7, said hydrofluoroether having a boiling point in atmospheric pressure ranging between +15° C. and +100° C. The invention enables the replacement of ethanol conventionally used in cosmetic compositions by at least one hydrofluoroether compound.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: June 3, 2003
    Assignee: Extractive
    Inventors: Michel Surbled, Benoit Lemaire, Philippe Mengal, Bernard Mompon