A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/49 (2006.01) A61Q 13/00 (2006.01)
Patent
CA 2501380
The invention relates to a fragrance composition, comprising at least one ionic fluid as fixative and production and use thereof. Said fragrance compositions have the advantage that the volatilisation of the basic aromatic components can be adjustably delayed with the ionic fluid as a polar solvent which has almost no partial pressure. The large choice of ionic fluids permits a precise adjustment of the volatilisation rate of the aromatic components. As the polarity of the ionic fluid can be varied over wide ranges by means of the structure of the cations and/or anions, the ionic fluid used as fixative can be precisely matched to the physico-chemical and/or olfactory requirements of the aromatic components.
L'invention concerne une composition de matières odorantes contenant au moins un liquide ionique comme fixateur, ainsi que la préparation et l'utilisation de ladite composition. L'avantage des compositions de matières odorantes selon l'invention réside dans le fait que le liquide ionique, en tant que solvant polaire présentant une tension de vapeur quasi nulle, peut retarder de manière ciblée l'évaporation des constituants odorants de base. Le large choix de liquides ioniques permet d'ajuster de manière précise la vitesse d'évaporation des constituants odorants. La polarité des liquides ioniques pouvant varier sur de larges plages en fonction de la structure des cations et/ou des anions, les liquides ioniques utilisés comme fixateur peuvent être adaptés de manière précise aux exigences physico-chimiques et/ou olfactives des constituants odorants.
Koehler Guenther
Petrat Frank Martin
Schmidt Friedrich Georg
Stuetzel Bernhard
Degussa Ag
Fetherstonhaugh & Co.
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