Chemical products used in industry, science, photography, agriculture, horticulture, forestry; natural and artificial fertilizers; fire extinguishing compounds; tempering substances and chemical preparations for soldering; chemical substances for preserving foodstuffs; synthetic resins; emulsions; anti-freezing and defrosting preparations; coatings for agricultural products; industrial chemical intermediates; porous plastic material; tanning substances; mist preventing and mist removing agents, all the above being in this class