chemical additives, namely, antioxidants, cold-flow and conductivity improvers, dehazers, H2S and mercaptan scavengers, octane and cetane improvers, lubricity improvers, metal deactivators, and diesel stabilizers for use in manufacture; chemical additives for fuels; chemical additives for crude oil, gas and natural gas liquids; chemical additives, namely, lost circulation materials for use in oil and gas drilling fluid additives; surfactants for lowering the surface tension of water; chemical...