Utilizing Fused Bath Patents (Class 205/354)
- Rare earth metal (At. No. 21, 39 or 57-71) (Class 205/368)
- Lead, zinc, or cadmium (Class 205/369)
- Iron, cobalt, nickel, or manganese (Class 205/370)
- Vanadium, niobium, tantalum, chromium, molybdenum, or tungsten (V, Nb, Ta, Cr, Mo, or W) (Class 205/371)
- Aluminum (Class 205/372)
- Titanium, zirconium, or hafnium (Ti, Zr, or Hf) (Class 205/397)
- Alkaline earth metal, beryllium, or magnesium (Class 205/402)
- Alkali metal (Li, Na, K, Rb, Cs, or Fr) (Class 205/406)