Use of copolymers containing polysiloxane units in the...
Use of fine-particulate alkali metal aluminosilicates in the...
Use of fluorochemicals in leather manufacture
Use of phosphonium compounds in the production of leather
Use of polyaspartic acid amides as leather auxiliary products
Use of superabsorbent polymers for treating raw skins,...
Use of water-insoluble alkali metal aluminosilicates and...
Use of water-insoluble aluminosilicates as tanning agents...
Use of water-insoluble aluminosilicates in tanning process...
Using male and female mould to convex pressed the vein of...
Water soluble condensation product
Water/oil repellant composition
Waterproofing leather and skins
Web perforating apparatus
White leather manufacture