chemical compounds containing phosphorous, namely heat stabilizers, antioxidants and modifiers for plastics, extreme pressure modifiers and antioxidants for lubricating oils, and intermediates for medical, pharmaceutical and agricultural use; chemical compounds containing benzotriazoles used in automobile antifreeze agents, lubricating oils and cooling water systems to prevent corrosion; ultraviolet absorbers used in various plastics to prevent discoloration and deterioration; volatile corrosion inhibitors for protecting metal products during transport and/or storage; volatile corrosion inhibitor (VCI) vapor phase emitters sold in gas permeable packets containing a proprietary blend of VCI vapor phase emitters; catalysts for de-sulfurizing and recovering wet process gas byproducts, hydrogen sulfide contained in coke oven gas, oil decomposition gas, gas generated in rayon manufacturing, and sewage fermentation gas; hindered amines and phenols used in stabilizers and antioxidants for protecting plastics and other organic materials against discoloration and degradation; catalysts used for one-shot molding production of urethane-foam products; and hardening accelerators for synthetic epoxy and silicone resins