Chemicals used in industry; chemicals for use in the building and chemical industry; [ adhesives used in industry; ] starch and starch derivatives, for industrial purposes; starch ethers for use in industry; chemical thickeners made from starch ethers for the construction industry; [ chemical binding preparations made from starch ethers in the nature of glue for the construction industry; ] chemical binding preparations made from starch ethers for the construction industry, namely, for bindin...