.~.~> Plural carbides (i.e., carbides of plural metals) containing
DEFINITION
Classification: 501/87
Carbide or oxycarbide containing:
(under subclass 1) Compositions which include at least one compound which is a binary compound of a metal directly bonded to carbon (i.e., a carbide) or is a ternary compound of a metal, carbon, and oxygen of the type: 2(ZrO2)C or ZrO.C (i.e., an oxycarbide or carboxide).
SEE OR SEARCH CLASS
51, Abrasive Tool Making Process, Material, or Composition, for a composition specialized for use as an abrasive. Patents containing claims to the abrasive function as well as claims to a function or use specifically provided for in Class 501 (e.g. refractory) are placed in this class (501) as originals and cross-referenced to Class 51, especially
307+, for abrasive compositions which may include carbides.