ClassID:

102758

C09C1/0027 - 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 One layer consisting of at least one sub-stoichiometric inorganic compound

Recent Application in this class: