Imaje S.a.

Image S.a.

Alain Heraud

Pierre De Saint-Romain

The invention relates to an ink composition for the marking of objects, specifically nonporous in particular glass bottles having to pass into a bottling chain or line. This ink comprises at least one dye, an organic solvent and a binder incorporating the combination of at least one polymeric resin having hydroxyl or carboxyl functions and a hydrophobic polymeric resin of the epoxy type having a plasticizing effect. The invention also relates to a process for marking objects, using in particular the deflected continuous jet procedure employing said ink, as well as the thus marked substrates.

Ink composition for marking nonpourous supports

This aim of the invention is to develop an ink composition comprising at least one non-photochromic pigment or dye, a photochromic pigment or dye and a solvent, the photochromic pigment or dye changing absorption spectrum under the effect of a first light emitting in a wavelength belonging to the ultra-violet range, so that when it is subsequently illuminated by a second light only emitting in a wavelength belonging to the visible range, it has a color different from that which it had, under the illumination of said second light, prior to illumination by said first light, said color also differing from that of the non-photochromic pigment or dye when the latter is illuminated by said second light.

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Valence, France

Alain Heraud