C09C1/0057 - CPC Classification Index

ClassID:

102768 ⎘

C09C1/0057 - 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 low and high refractive indices, wherein the first coating layer on the core surface has the low refractive index comprising at least one light-absorbing layer

Sub-classes:

C09C1/006 » {consisting of a metal or an alloy} 15
C09C1/0063 » {consisting of at least one dye} 12
C09C1/0066 » {consisting of at least one coloured inorganic material} 34
C09C1/0072 » {consisting of a carbonaceous material, e.g. carbon black, graphite, SWNT, MWNT incorporated within an inorganic material} 2

Recent Application in this class:

20260152639

2026-06-04

ASYMMETRIC PIGMENT

20210147688

2021-05-20

ASYMMETRIC PIGMENT

20210145711

2021-05-20

PIGMENT MIXTURE

20190225006

2019-07-25

Metameric security devices

20190153233

2019-05-23

Asymmetric pigment

20170087918

2017-03-30

Optical security device comprising a layer having a microstructured surface and a dielectric layer filling in or complementary to the microstructured surface

20150291799

2015-10-15

Pigment with photocatalytic activity, method for the production thereof and coating agent

20120326430

2012-12-27

Multi color-shifting devices comprising a layer having a microstructured surface and a dielectric non-conforming layer

20110251293

2011-10-13

Coloured glass particles, method for the production thereof and use thereof

#10

20100021565

2010-01-28

Pearlescent pigments