CPC Subgroup Additional Only
C09C 2220/10 Wet methods, e.g. co-precipitation
Full Title
Methods of preparing the interference pigments > Wet methods, e.g. co-precipitation
2 direct subcodes
Child Classifications
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- C09C 2220/103 comprising a drying or calcination step after applying each layer
- C09C 2220/106 comprising only a drying or calcination step of the finally coated pigment