industrial gases for commercial, scientific, medical, photographic and agricultural uses

industrial chemicals; namely, gas and gaseous mixtures for commercial, scientific, medical, photographic, and agricultural uses

Ultra-pure chemical distribution systems for the semiconductor and biopharmaceutical industries

Electrochemical apparatus for testing water and pure chemicals.; Electrochemical apparatus for testing water and pure chemicals.; Electrochemical apparatus for testing water and pure chemicals.

Ultrafiltration and microfiltration membranes, membrane modules and systems containing membranes and membrane modules used for the clarification, purification, and separation of water from other substances in municipal water, industrial water and waste water treatment applications

Manufactured treatment equipment used in the purification of ultra-pure water