IPC Subgroup
C04B 22/08 Acids or salts thereof
Introduced: January 1985
Last revised: January 2006
Full Title
Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators > Acids or salts thereof
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
4 direct subcodes
Child Classifications
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- C04B 22/1 containing carbon in the anion, e.g. carbonates
- C04B 22/12 containing halogen in the anion, e.g. calcium chloride
- C04B 22/14 containing sulfur in the anion, e.g. sulfides
- C04B 22/16 containing phosphorus in the anion, e.g. phosphates