Marking of mineral oil

C - Chemistry – Metallurgy – 10 – L

Patent

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Details

C10L 1/00 (2006.01) C10L 1/14 (2006.01) G01N 33/28 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01)

Patent

CA 2431120

In a method of marking hydrocarbons by addition of at least one first marker, at least one second marker which cannot be removed completely from the hydrocarbons under the conditions of the removal of the first marker or markers is additionally added to the hydrocarbons. Hydrocarbons which have been marked by such a method and solutions comprising at least one first marker and at least one second marker as defined in the method of the present invention and also, if desired, further additives for marking hydrocarbons are also provided by the invention.

L'invention concerne un procédé de marquage d'hydrocarbures par addition d'au moins un premier produit de marquage, caractérisé en ce qu'au moins un deuxième produit de marquage est également ajouté aux hydrocarbures, ce deuxième produit ne pouvant pas être complètement éliminé des hydrocarbures dans les conditions d'élimination du premier produit de marquage. L'invention concerne en outre des hydrocarbures qui ont été marqués selon ce procédé, ainsi que des solutions de marquage d'hydrocarbures qui contiennent au moins un premier produit de marquage et au moins un deuxième produit de marquage, tels que définis par le procédé selon l'invention, et éventuellement d'autres additifs.

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