Waterproof coatings, namely, waterproofing chemical compositions for industrial purposes, chemical preparations to prevent mildew, chemical reagents, other than for medical or veterinarian purposes, for use in coating and sealing, industrial chemicals for use in coating and sealing, paper pulp additives for use as an additive for waterproof coatings, sizing preparations, namely, sizing agents for coating, sealing, finishing and priming for use in the textile industry, stain-preventing chemica...