| 2/00 | Lime, magnesia or dolomite |
| 2/02 | Lime, magnesia or dolomite Lime |
| 2/04 | Lime, magnesia or dolomite Lime Slaking |
| 2/06 | Lime, magnesia or dolomite Lime Slaking with addition of substances, e.g. hydrophobic agents |
| 2/08 | Lime, magnesia or dolomite Lime Slaking Devices therefor |
| 2/10 | Lime, magnesia or dolomite Preheating, burning, calcining or cooling (decarbonation during burning of cement raw materials C04B 7/43) |
| 2/12 | Lime, magnesia or dolomite Preheating, burning, calcining or cooling (decarbonation during burning of cement raw materials C04B 7/43) in shaft or vertical furnaces |
| 5/00 | Treatment of molten slag (manufacture of slag wool C03B; treatment of slag in or for the production of metals C21B, C22B); Artificial stone from molten slag |
| 5/02 | Treatment of molten slag (manufacture of slag wool C03B; treatment of slag in or for the production of metals C21B, C22B); Artificial stone from molten slag Granulating (granulating apparatus B01J 2/00); Dehydrating; Drying |
| 5/06 | Treatment of molten slag (manufacture of slag wool C03B; treatment of slag in or for the production of metals C21B, C22B); Artificial stone from molten slag Ingredients, other than water, added to the molten slag; Treatment with gases or gas generating material, e.g. to obtain porous slag |
| 7/00 | Hydraulic cements |
| 7/02 | Hydraulic cements Portland cement |
| 7/04 | Hydraulic cements Portland cement using raw materials containing gypsum |
| 7/06 | Hydraulic cements Portland cement using alkaline raw materials |
| 7/12 | Hydraulic cements Natural pozzuolanas; Natural pozzuolana cements |
| 7/13 | Hydraulic cements Natural pozzuolanas; Natural pozzuolana cements Mixtures thereof with inorganic cementitious materials, e.g. Portland cements |
| 7/14 | Hydraulic cements Cements containing slag |
| 7/147 | Hydraulic cements Cements containing slag Metallurgical slag |
| 7/153 | Hydraulic cements Cements containing slag Metallurgical slag Mixtures thereof with other inorganic cementitious materials or other activators |
| 7/17 | Hydraulic cements Cements containing slag Metallurgical slag Mixtures thereof with other inorganic cementitious materials or other activators with calcium oxide containing activators |