The present invention relates to a laser marking additive, a precursor and method of laser-marking. The method can include exposing a substrate including a high luster bismuth oxychloride to a laser creating a laser-mark, with the proviso that the substrate is not an unsaturated polyester cross-linked with a styrene monomer.


> Toner for developing a latent electrostatic image, developer using the same, full-color toner kit using the same, image-forming apparatus using the same, image-forming process cartridge using the same and image-forming process using the same

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