ClassID:

84698

C01B21/0768 - 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 titanium or zirconium or hafnium After-treatment, e.g. grinding, purification

Recent Application in this class: