IPC Subgroup
C04B 103/56 Opacifiers
Introduced: January 1995
Last revised: January 2006
Full Title
Function or property of the active ingredients > Opacifiers
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- Subclass:
- LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE