(under subclass 469) Product in which the contiguous layer comprises a compound formed by the combination of an inorganic acid or oxygen with a metal from Groups IV B, VB or VI B of the periodic system (i.e., Titanium, Zirconium, Hafnium, Vanadium, Niobium, Tantalum, Chromium, Molybdenum, Tungsten).
SEE OR SEARCH THIS CLASS, SUBCLASS:
386, for a rod*, strand* or fiber* coated with a titanium compound.
404, for a particle* coated with the oxide of a refractory metal (i.e., Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W).
432, for a laminate of glass* or quartz* next to a metal or a compound thereof which metal may be a refractory.
457+, for a laminated product including a metal which may be a refractory metal.
539, for a laminated product which may include a layer of a refractory metal compound. 920, and 921, for art collections of a product which has a fire, flame or heat protection feature and which may include a refractory metal or a compound thereof.
