C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/04 (2006.01) A61K 8/04 (2006.01) A61K 9/12 (2006.01) A61L 9/01 (2006.01) B65D 83/14 (2006.01) C09K 3/20 (2006.01)
Patent
CA 2150682
The present invention provides a composition for providing a supply of water- based cool mixture, the temperature of which when utilised is lower than the ambient temperature and higher than the freezing point of water, which composition consists essentially of a mixture of water and a chemical compound selected from one or more of dimethyl ether, a homologue of dimethyl ether and a chemical derivative of dimethyl ether. The present invention also provides apparatus for providing a supply of water-based cool mixture, the temperature of which when utilised is lower than the ambient temperature and higher than the freezing point of water, which apparatus comprises a pressurized dispensing container, said container containing such a composition. The present invention further provides a method of cooling, e.g. of the body, a space, a surface, or a water based liquid by utilising such a composition or such an apparatus.
L'invention concerne une composition permettant de produire un mélange froid à base d'eau dont la température lorsqu'il est utilisé est inférieure à la température ambiante et supérieure au point de congélation de l'eau. Ladite composition consiste essentiellement en un mélange d'eau et d'un composé chimique sélectionné parmi un ou plusieurs éthers diméthyliques, un homologue d'éther diméthylique et un dérivé d'éther diméthylique. L'invention porte également sur un appareil assurant une alimentation en mélange froid à base d'eau dont la température, lorsqu'il est utilisé, est inférieure à la température ambiante et supérieure au point de congélation de l'eau. Cet appareil est constitué d'un conteneur de distribution pressurisé contenant ladite composition. L'invention se rapporte aussi à un procédé de refroidissement d'un corps, d'un espace, d'une surface ou d'un liquide à base d'eau au moyen de ladite composition et dudit appareil.
Na
Rizk Nelly Kamel
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