HIPACT

Industrial chemicals; chemical products used in industry, especially solvents and auxiliaries for use in the chemical industry in the nature of chemical absorption fluids and catalysts for chemical absorption processes for use in the chemical industry

Engineering; engineering relating to chemical plants; construction drafting; construction drafting relating to chemical plants; designing of machines, apparatus, instruments and their parts or systems composed of such machines, apparatus and instruments; chemistry services relating to the operation of chemical plants, chemistry services relating to the purification of gases