1 Chemical products for commercial, scientific, photographic, agricultural, horticultural and forestry purposes, namely chemicals for the treatment of metal surfaces; chemicals for the treatment of leather, namely tanning agents; chemicals for the production of paints and laquers, namely binding agents; chemical agents and additives for the production of detergents; chemical agents and additives for use in the manufacture of paper; chemicals for preventing the formation of deposits and dissolving deposits in pipes and related installations; antacid compounds for pharmaceutic preparations; chemicals for the treatment of wastewater, potable water and industrial water; chemical basic, auxiliary and active agents for the production of drugs and cosmetics; chemical additives and chemical additive mixtures for use in the manufacture of food, namely anti-oxidants, maturing and reddening agents, binding and stabilizing agents for meat and sausage production and for making dairy products; chemicals to preserve foodstuffs; chemical food processing agents for use in the manufacture of cheese and cheese preparations; fertilizers for agricultural use; fire-extinguishing and flame-proofing compositions; adhesives for the shoe manufacturing industry; rheological additives for use in the cosmetics and pharmaceutical industries and anti-settling agents for use in the cosmetics and pharmaceutical industries