Chemical products, namely, polyacrylates, polyurethanes, polybutadienes, copolymers comprising acrylates or urethanes, retanning agents, tanning agents, fatliquoring chemicals, filler chemicals added to other chemicals or mixtures to improve its properties or lower the consumption of expensive additives, solvent chemicals, plasticizers, and mixtures of one or more combinations thereof and which may also contain additives such as carries, colorants, impregnants, dressing agents, dressing auxil...