Use of aryl- or alkyloxy-substituted phthalocyanines as...

C - Chemistry – Metallurgy – 07 – D

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C07D 487/22 (2006.01) C07C 255/51 (2006.01) C07D 209/44 (2006.01) C09B 47/04 (2006.01) C09B 47/067 (2006.01) G01N 21/64 (2006.01) G01N 33/28 (2006.01) C10M 133/44 (2006.01)

Patent

CA 2646205

Phthalocyanines of the formula (I) in which the symbols and indices have the meanings given in the description are suitable as marking substances for liquids, in particular mineral oils.

L'invention concerne la phtalocyanine de formule (I), dans laquelle les symboles et les indices sont tels que définis dans la description, utilisée en tant que matériau de marquage pour liquides, notamment pour huiles minérales.

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