PUREGUARD

Chemicals for use in industry, namely semiconductor fabrication, heat treating atmospheres, isotope separation, manufacturing processes and research and development; chemical preparations for absorbing and reacting with minor gaseous impurities in gases for industrial manufacturing; chemical getters for use in removing gaseous impurities from gases in semiconductor fabrication, heat treating atmospheres, isotope separation, manufacturing processes and research and development; catalysts and absorbents for use in removing gaseous impurities from gases in semiconductor fabrication, heat treating atmospheres, isotope separation, manufacturing processes and research and development; and metal containers, sold full, containing chemicals for absorbing and reacting with minor gaseous impurities in gases for industrial manufacturing