ClassID:

84677

C01B21/0637 - 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 metals not specified in groups  - , other than aluminium, titanium, zirconium or hafnium

Recent Application in this class: