ClassID:

84673

C01B21/0627 - CPC Classification

Classification description:

Nitrogen; Compounds thereof; Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with transition metals other than titanium, zirconium or hafnium with one or more rare earth metals

Recent Application in this class: