Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sogo Pharmaceutical Co Ltd
Original Assignee
Sogo Pharmaceutical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sogo Pharmaceutical Co LtdfiledCriticalSogo Pharmaceutical Co Ltd
Priority to ES9003175ApriorityCriticalpatent/ES2023779A6/es
Publication of ES2023779A6publicationCriticalpatent/ES2023779A6/es
PROCEDIMIENTO PARA PREPARAR UN PRODUCTO COSMETICO BLANQUEADOR DE LA PIEL. ESTE PRODUCTO ES SEGURO PARA EL USO DURANTE UN PERIODO PROLONGADO DE TIEMPO Y COMPRENDE LA INCORPORACION DE UN ACIDO PATENTEINA (S)-SULFONICO O UNA DE SUS SALES EN ACIDO KOJICO TENIENDO UN EFECTO BLANQUEADOR DE LA PIEL.
ES9003175A1990-12-121990-12-12Procedimiento para preparar un producto cosmetico blanqueador de la piel.
Expired - LifetimeES2023779A6
(es)
2,4-diamino-1,3-dimethoxybenzol or one of its salts used as couplor associated with dyeing oxydation precursors for human hair dyeing composition containing the so called coupler and preparation process