Synthetic Resins; Thermoplastic and Thermosetting Synthetic Resins; Organic Molding Compositions, for General Use in the Industrial Arts; Chemical Intermediates; Organosilicone Compounds-Namely, Polysiloxanes and Silanes in the Form of Resins, Pastes, Fluids, Elastomers, Vulcanizing Preparations and Accelerators; Antifoaming Agents; Catalysts for Paints; Chemicals for Developing and Fixing X-Ray Films and Other Chemicals Associated with the Development of Said Films; Inorganic and Organic Phosphor Materials, for Use in Lamps, Electronic and Cathode Ray Tubes, X-Ray Image Converters and for Identification Tagging; Moderating Materials in Nuclear Reactors Such as but Not Limited to Hydrogen and Carbon Compounds; Nuclear Fissionable Material Such as Uranium, Plutonium and Thorium Compounds; Fuel for Nuclear Reactors