125492 ⎘
Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated; Material containing basic nitrogen containing amide groups leather skins using acid dyes
Sub-classes:COLLAGEN-INFUSED COMPOSITE MATERIALS AND METHODS OF MANUFACTURING THE SAME
#2Cutting and double-face leather integrated dyeing process for tan sheep skin
#3Topcoat
#4Process and auxiliaries for the treatment of organically tanned leather