D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/10 (2006.01) B41M 5/26 (2006.01)
Patent
CA 2702732
Fiber products,comprising in their body at least 20 % by weight of cellulose fibers, and adequateamounts of an acid and a cationic retention aid for the acid, can be marked by means of a laser beam.
La présente invention a pour objet des produits en fibres, comprenant dans leur corps au moins 20 % en poids de fibres de cellulose et des quantités adéquates d'un acide et d'un auxiliaire de rétention cationique pour l'acide, pouvant être marqués au moyen d'un faisceau laser.
Basf Se
Robic
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