A - Human Necessities – 23 – L
Patent
A - Human Necessities
23
L
A23L 1/221 (2006.01) A23B 4/048 (2006.01) A23B 4/052 (2006.01) A23L 1/232 (2006.01) A23L 1/325 (2006.01)
Patent
CA 2413461
The invention relates to a method of preparing a smoke extract, which method comprises the steps of i) preparing a char from wood or cellulose preferably by pyrolysis, ii) extracting one or more fractions of the char with an extraction solvent in its supercritical state and/or an extraction solvent in its liquid state, said solvent in its supercritical state being selected from the group consisting of CO2, propane, methane, ethylene, ammoniac, methanol, water and mixtures of one or more of these solvents, said solvent in its liquid state being selected from the group consisting of CO2, propane and mixtures of these components, iii) collecting at least some of the extracted char to thereby obtain a smoke extract.
L'invention porte sur un procédé de préparation d'un extrait de fumées comportant les étapes suivantes: i) préparation de charbon de bois ou de cellulose de préférence par pyrolyse; ii) extraction d'une ou plusieurs fractions du charbon à l'aide d'un solvant à l'état supercritique et/ou d'un solvant à l'état liquide, ledit solvant à l'état supercritique étant choisi parmi CO¿2?, propane, méthane, éthylène, ammoniaque, méthanol, eau et des mélanges d'un ou plusieurs de ces composants, et ledit solvant à l'état liquide étant choisi parmi CO¿2?, et propane et des mélanges de ces composants; iii) recueil d'au moins l'un des charbons extraits de manière à obtenir un extrait de charbon.
Danfo A/s
G. Ronald Bell & Associates
LandOfFree
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