Chemical antioxidants, hardeners, inhibitors, restrainers, sensitizers and stabilizers for use in the manufacture of photographic emulsions; To be employed in removing salts or water from crude petroleum oils; To be employed as drilling mud or additives therefor in drilling for minerals, natural gas, oil or water

Preparations for use on the hair. > Other organic surface-active agents, whether or not put up for retail sale: > Other > Chemical antioxidants, hardeners, inhibitors, restrainers, sensitizers and stabilizers for use in the manufacture of photographic emulsions; To be employed in removing salts or water from crude petroleum oils; To be employed as drilling mud or additives therefor in drilling for minerals, natural gas, oil or water > Chemical antioxidants, hardeners, inhibitors, restrainers, sensitizers and stabilizers for use in the manufacture of photographic emulsions; To be employed in removing salts or water from crude petroleum oils; To be employed as drilling mud or additives therefor in drilling for minerals, natural gas, oil or water