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Home › Use of tetra-azapentamethine compounds as direct dyeing agents and novel tetra-azapentamethine compounds

Use of tetra-azapentamethine compounds as direct dyeing agents and novel tetra-azapentamethine compounds

US Patent 7311736 · Granted Dec 25, 2007

Assignee

L'Oreal

Inventors

Herve Burgaud (10 patents)
Hervé David (27 patents)
Rui Filipe Andrade Pereira (75 patents)
Beatrice Belcour-Castro (9 patents)

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