Chemicals (industrial-); chemicals used in the refinery of oil and derivatives thereof; aqueous polymer dispersions; fluorescent labels for nucleotides and proteins; protein; chemicals used in the textile sector; chemicals used in science; chemical preparations for use in photography; chemicals used in agriculture, horticulture and forestry; solid preparations based on polysaccharides and chemically modified functional derivatives thereof, in particular, polysaccharide ethers in microgranular physical form, smooth, not powdery, highly dispersible in water and which dissolve in water at high-speed, used as thickeners, rheological modifiers, water retainers, filmogenic agents, protective colloids, dispersants, stabilisers added as additives in preparations used in industry, personal care, foodstuffs, animal feed, agro-chemical, mineral and oil extracting industries and as auxiliaries in the manufacturing, processing and extracting industries; artificial and synthetic resins; dispersions of plastics; plastics, unprocessed, in powder, liquid or paste form; animal manures and artificial fertilizers; fire extinguishing compositions; tempering substances; soldering chemicals; food preserving chemicals; tanning materials; adhesives used in industry; antifreeze; anti-incrustants; brake fluids; chemical additives for motor fuels.;