The invention relates to a compound chosen from the compounds of formulae (I) and (II), the leucoforms thereof, the optical and geometrical isomers thereof and the tautomers thereof, and also the addition salts thereof with an acid or a base, and the solvates thereof. The invention also relates to the use of these particular compounds for dyeing keratin fibres.

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Electrowetting element including a compound comprising a plurality of colorant moieties and a linker. The plurality of colorant moieties includes a first colorant moiety having a first net dipole and a second colorant moiety having a second net dipole. The plurality of colorant moieties are linked by and disposed around the linker so that the first net dipole and the second net dipole at least partially cancel each other.

The present invention relates to an inorganic-organic hybrid compound as ionic compound, composed of an inorganic cation and of an organic active ingredient anion and also, optionally, of an organic fluorescent dye anion.

The present invention relates generally to substrates for making polymers and methods for making polymers. The present invention also relates generally to polymers and devices comprising the same.

Electrowetting element including a compound comprising a plurality of colorant moieties and a linker. The plurality of colorant moieties includes a first colorant moiety having a first net dipole and a second colorant moiety having a second net dipole. The plurality of colorant moieties are linked by and disposed around the linker so that the first net dipole and the second net dipole at least partially cancel each other.