(under subclass 307) Subject matter in which the inorganic material comprises a metal or metal oxide.
SEE OR SEARCH CLASS
29, Metal Working,
4.51+, for shredding metal or metal wool article making.
419, Powder Metallurgy Processes, for a method involving use of a sintering powder comprising a metal and a nonmetal in the final product, especially
10+,.
423, Chemistry of Inorganic Compounds, for an inorganic metal compound (e.g., comprised of a carbide and a nonmetal element (e.g., diamond, per se)) or a process for preparation of an inorganic metal compound involving a chemical reaction.
428, Stock Material or Miscellaneous Articles, 564, and 565 for metallic stock material having a particulate metal component which contains nonmetal particles; subclass 605 for steel wool, per se; and subclass 610 for metallic stock material having a composition gradient.