ClassID:

102760

C09C1/0033 - CPC Classification

Classification description:

Treatment of specific inorganic materials other than fibrous fillers ; Preparation of carbon black; Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings comprising a stack of coating layers with alternating high and low refractive indices, wherein the first coating layer on the core surface has the high refractive index comprising at least one light-absorbing layer consisting of a metal or an alloy

Recent Application in this class: