|  | C |
SECTION C — CHEMISTRY AND METALLURGY

CHEMISTRY

|  | C04 |
CEMENTS; CERAMICS, etc.; SOUND OR THERMAL INSULATING MATERIALS

|  | C04 |
Note(s) This class does not include mechanical features provided for elsewhere, e.g. mechanical working Fulltext... Hierarchy... Expanded...B28, mechanical aspects of coating, e.g. applying glazes by brushing, dipping, spraying, Fulltext... Hierarchy... Expanded...B44, kilns Fulltext... Hierarchy... Expanded...F27.

|  | C04B |
LIME; CEMENTS; CERAMICS, STONE AND THE LIKE; SOUND OR THERMAL INSULATING MATERIALS

|  | C04B 1/00 - C04B 5/00 |
Lime; Magnesia; Slag

|  | C04B 1/00 |
Lime (hydraulic lime cements Fulltext... Hierarchy... Expanded...C04B 7/34)

|  | C04B 1/02 |
· | Burning

|  | C04B 1/04 |
· · | from gypsum

|  | C04B 1/06 |
· | Slaking

|  | C04B 1/08 |
· · | Devices therefor

|  | C04B 3/00 |
Calcining magnesite or dolomite

|  | C04B 5/00 |
Treatment of slag (manufacture of slag wool Fulltext... Hierarchy... Expanded...C03B; in or for production of metals Fulltext... Hierarchy... Expanded...C21B, Fulltext... Hierarchy... Expanded...C22B)

|  | C04B 5/02 |
· | Granulating (apparatus Fulltext... Hierarchy... Expanded...B01J 2/00); Dehydrating; Drying

|  | C04B 5/04 |
· | Manufacture of porous slag

|  | C04B 7/00 - C04B 11/00 |
Cements

|  | C04B 7/00 |
Hydraulic cements (calcium sulphate cements Fulltext... Hierarchy... Expanded...C04B 11/00)

|  | C04B 7/02 |
· | Portland cement

|  | C04B 7/04 |
· · | using raw materials containing gypsum

|  | C04B 7/06 |
· · | using alkaline raw materials

|  | C04B 7/08 |
· · | white

|  | C04B 7/10 |
· · | coloured

|  | C04B 7/12 |
· | Pozzuolana cements; Mixtures thereof with hydraulic additives, e.g. Portland cement (cements containing slag Fulltext... Hierarchy... Expanded...C04B 7/14)

|  | C04B 7/14 |
· | Cements, containing slag

|  | C04B 7/16 |
· · | containing blast-furnace slag, e.g. cements ready-made in the blast furnace

|  | C04B 7/18 |
· · · | Blast-furnace cement; Iron Portland cement

|  | C04B 7/20 |
· · | Slags mixed with lime

|  | C04B 7/22 |
· | Iron ore cements

|  | C04B 7/24 |
· | Cements from mineral residues or waste (Fulltext... Hierarchy... Expanded...C04B 7/14 takes precedence)

|  | C04B 7/26 |
· · | from raw materials containing flue dust

|  | C04B 7/28 |
· · | from combustion residues

|  | C04B 7/30 |
· · | from oil shale residues

|  | C04B 7/32 |
· | Aluminous cements

|  | C04B 7/34 |
· | Hydraulic lime cements; Roman cements

|  | C04B 7/36 |
· | Manufacture of cements in general

|  | C04B 7/38 |
· · | Preparing the batches

|  | C04B 7/40 |
· · · | Dehydrating; Forming, e.g. granulating (apparatus for granulating Fulltext... Hierarchy... Expanded...B01J 2/00)

|  | C04B 7/42 |
· · · | Additives for influencing the burning process

|  | C04B 7/44 |
· · | Burning; Melting

|  | C04B 7/46 |
· · · | electric

|  | C04B 7/48 |
· · | Clinker treatment

|  | C04B 7/50 |
· · · | Cooling; Hydrating

|  | C04B 7/52 |
· · · | Grinding

|  | C04B 7/54 |
· · · | Addition of substances, e.g. during grinding

|  | C04B 7/56 |
· · | Adding substances to produce improved, e.g. water-repellant, cements (Fulltext... Hierarchy... Expanded...C04B 7/54 takes precedence)

|  | C04B 7/58 |
· · · | to improve the storing properties

|  | C04B 9/00 |
Magnesium cements, e.g. Sorel cement; Cements setting in a similar manner

|  | C04B 9/02 |
· | Magnesium cements containing chlorides, e.g. Sorel cement

|  | C04B 9/04 |
· | Magnesium cements containing sulphates, nitrates, phosphates, or fluorides

|  | C04B 9/06 |
· | Cements containing metals other than magnesium, e.g. zinc, lead

|  | C04B 9/08 |
· | Chemically-active additives

|  | C04B 9/10 |
· · | Inorganic materials

|  | C04B 9/12 |
· · · | Hydraulic cements, e.g. Portland cement

|  | C04B 9/14 |
· · | Organic

|  | C04B 9/16 |
· · · | Binding agents

|  | C04B 9/18 |
· | Dry mixtures ready for use

|  | C04B 9/20 |
· | Manufacture, e.g. preparing the batches (calcining magnesite or dolomite Fulltext... Hierarchy... Expanded...C04B 3/00)

|  | C04B 11/00 |
Calcium sulphate cements

|  | C04B 11/02 |
· | Dehydrating gypsum

|  | C04B 11/04 |
· · | Regeneration of set plaster of Paris

|  | C04B 11/06 |
· | starting from anhydrite

|  | C04B 11/08 |
· | Chemically-active additives

|  | C04B 11/10 |
· · | Inorganic materials

|  | C04B 11/12 |
· · · | Hydraulic cements, e.g. Portland cement

|  | C04B 11/14 |
· · | Organic materials

|  | C04B 11/16 |
· · · | Binding agents

|  | C04B 13/00 - C04B 31/00 |
Mortars; Concrete; Artificial Stone

|  | C04B 13/00 |
Mortars based on hydraulic cements (special fillers for mortars Fulltext... Hierarchy... Expanded...C04B 31/00; refractory mortars Fulltext... Hierarchy... Expanded...C04B 35/66)

|  | C04B 13/02 |
· | Portland cement mortar

|  | C04B 13/04 |
· · | for producing concrete by spraying

|  | C04B 13/06 |
· | Lime and/or magnesium oxide mortar

|  | C04B 13/08 |
· · | Mortar specially adapted for coating purposes

|  | C04B 13/10 |
· | made from siliceous raw materials, e.g. trass mixed with quick-lime

|  | C04B 13/12 |
· · | Sand-lime mortar

|  | C04B 13/14 |
· | Gypsum mortar

|  | C04B 13/16 |
· · | with inorganic fillers

|  | C04B 13/18 |
· · | with organic fillers

|  | C04B 13/20 |
· | with special additives, e.g. salts

|  | C04B 13/22 |
· · | with inorganic additives

|  | C04B 13/24 |
· · | with organic additives

|  | C04B 13/26 |
· · · | containing nitrogen (Fulltext... Hierarchy... Expanded...C04B 13/28 takes precedence)

|  | C04B 13/28 |
· · · | containing sulphur

|  | C04B 13/30 |
· · · | binding agents, e.g. bitumen

|  | C04B 15/00 |
Artificial stone, e.g. concrete, based on hydraulic cements

|  | C04B 15/02 |
· | Light artificial stone, e.g. light concrete (Fulltext... Hierarchy... Expanded...C04B 21/00 takes precedence)

|  | C04B 15/04 |
· | Ray-absorbing

|  | C04B 15/06 |
· | Sand-lime

|  | C04B 15/08 |
· · | containing clay

|  | C04B 15/10 |
· · | containing bitumen

|  | C04B 15/12 |
· · | Hardening processes

|  | C04B 15/14 |
· · · | using carbon dioxide

|  | C04B 15/16 |
· | from asbestos-cement

|  | C04B 17/00 |
Mortars based on magnesium or similarly setting cements; Products therefrom (special fillers for mortars Fulltext... Hierarchy... Expanded...C04B 31/00)

|  | C04B 17/02 |
· | with inorganic fillers

|  | C04B 17/04 |
· | with organic fillers

|  | C04B 17/06 |
· | Manufacture of articles, e.g. floorings, artificial stone

|  | C04B 17/08 |
· · | After-treatment thereof

|  | C04B 19/00 |
Mortars based on other cements; Products therefrom, e.g. artificial slate (special fillers for mortars Fulltext... Hierarchy... Expanded...C04B 31/00)

|  | C04B 19/02 |
· | Mortar specially adapted for coating purposes

|  | C04B 19/04 |
· | based on water-glass (Fulltext... Hierarchy... Expanded...C04B 19/02 takes precedence)

|  | C04B 19/06 |
· | based on sulphur, sulphides, or selenium (Fulltext... Hierarchy... Expanded...C04B 19/02 takes precedence)

|  | C04B 21/00 |
Porous artificial stone; Porous ceramic ware

|  | C04B 21/02 |
· | by adding blowing agents

|  | C04B 21/04 |
· | by dissolving-out added particles

|  | C04B 21/06 |
· | by burning-out added particles

|  | C04B 21/08 |
· | by adding porous substances

|  | C04B 21/10 |
· | by mechanical means

|  | C04B 21/12 |
· | by using mixed fillers of different diameters

|  | C04B 23/00 |
Artificial stone made from slag

|  | C04B 23/02 |
· | by casting molten slag

|  | C04B 23/04 |
· | with additives other than special fillers, e.g. binding agents

|  | C04B 23/06 |
· · | with small quantities of organic binding agents

|  | C04B 25/00 |
Artificial stone formed from inorganic material, other than slag, bound with small quantities of organic binding agents

|  | C04B 25/02 |
· | Synthetic or natural resins

|  | C04B 25/04 |
· · | Polymerisation products

|  | C04B 25/06 |
· · | Polycondensation products

|  | C04B 25/08 |
· | Cellulose derivatives

|  | C04B 25/10 |
· | Cellulose waste liquor

|  | C04B 27/00 |
Artificial stone containing pigments or colouring substances

|  | C04B 27/02 |
· | Artificial marble

|  | C04B 27/04 |
· · | Veneers

|  | C04B 27/06 |
· | Mosaic

|  | C04B 29/00 |
Other kinds of artificial stone

|  | C04B 29/02 |
· | from inorganic fillers with inorganic acids or salts

|  | C04B 29/04 |
· | with reinforcements

|  | C04B 31/00 |
Special fillers or aggregates for mortars, concrete, artificial stone, ceramics, or abrasive bodies

|  | C04B 31/02 |
· | inorganic

|  | C04B 31/04 |
· · | Fibres

|  | C04B 31/06 |
· · · | Glass; Slag wool

|  | C04B 31/08 |
· · · | Asbestos

|  | C04B 31/10 |
· · | Combustion residues, e.g. clinker; Slag

|  | C04B 31/12 |
· · | Slate residue

|  | C04B 31/14 |
· · | Carbonates

|  | C04B 31/16 |
· · | Abrasive fillers, e.g. carbides, nitrides, borides, diamond

|  | C04B 31/18 |
· · | Metal filings

|  | C04B 31/20 |
· · | Clay

|  | C04B 31/22 |
· · | Pumice

|  | C04B 31/24 |
· · | Diatomite

|  | C04B 31/26 |
· · | Mica; Vermiculite

|  | C04B 31/28 |
· · | Pigments, e.g. dyed sand

|  | C04B 31/30 |
· | organic

|  | C04B 31/32 |
· · | Paper pulp

|  | C04B 31/34 |
· · | Other fibres

|  | C04B 31/36 |
· · · | Cellulosic fibres, e.g. peat, reed

|  | C04B 31/38 |
· · | Colours

|  | C04B 31/40 |
· | Specially-treated fillers

|  | C04B 31/42 |
· · | impregnated

|  | C04B 31/44 |
· · | coated

|  | C04B 33/00 - C04B 37/00 |
Ceramics

|  | C04B 33/00 |
Clay-wares (porous products Fulltext... Hierarchy... Expanded...C04B 21/00; refractory mortars or tamping materials Fulltext... Hierarchy... Expanded...C04B 35/66; reinforced clay-wares Fulltext... Hierarchy... Expanded...C04B 35/72)

|  | C04B 33/02 |
· | Preparing or treating the raw materials individually or as batches

|  | C04B 33/04 |
· · | clay; kaolin

|  | C04B 33/06 |
· · · | Rendering lime harmless

|  | C04B 33/08 |
· · · · | Preventing efflorescence

|  | C04B 33/10 |
· · | Eliminating iron or lime

|  | C04B 33/12 |
· · | additives

|  | C04B 33/14 |
· · · | Colouring matters

|  | C04B 33/16 |
· · · | Lean materials, e.g. grog, quartz

|  | C04B 33/18 |
· · · | for liquefying the batches

|  | C04B 33/20 |
· · | for dry-pressing (Fulltext... Hierarchy... Expanded...C04B 33/12 takes precedence)

|  | C04B 33/22 |
· | Grog products

|  | C04B 33/24 |
· | Manufacture of porcelain or white ware

|  | C04B 33/26 |
· · | of porcelain for electrical insulation

|  | C04B 33/28 |
· | Slip casting (mechanical features Fulltext... Hierarchy... Expanded...B28B 1/26)

|  | C04B 33/30 |
· | Drying methods

|  | C04B 33/32 |
· | Burning methods

|  | C04B 33/34 |
· · | combined with glazing

|  | C04B 35/00 |
Ceramic products; Ceramic products with outstanding magnetic or electrical properties; Reinforced clay-wares (porous products Fulltext... Hierarchy... Expanded...C04B 21/00; clay-wares without reinforcement Fulltext... Hierarchy... Expanded...C04B 33/00)

|  | C04B 35/02 |
· | Basic refractory products (Fulltext... Hierarchy... Expanded...C04B 35/24 takes precedence)

|  | C04B 35/04 |
· · | based on magnesia

|  | C04B 35/06 |
· · · | based on dolomite

|  | C04B 35/08 |
· · | based on beryllium oxide

|  | C04B 35/10 |
· · | based on alumina

|  | C04B 35/12 |
· · | based on chromium oxide

|  | C04B 35/14 |
· | based on silica

|  | C04B 35/16 |
· | based on silicates other than clay

|  | C04B 35/18 |
· · | rich in alumina

|  | C04B 35/20 |
· · | rich in magnesia

|  | C04B 35/22 |
· · | rich in calcium oxide

|  | C04B 35/24 |
· | based on spinels

|  | C04B 35/26 |
· · | based on ferrites

|  | C04B 35/28 |
· · · | with nickel oxide as the principal oxide

|  | C04B 35/30 |
· · · · | with zinc oxide

|  | C04B 35/32 |
· · · | with cobalt oxide as the principal oxide

|  | C04B 35/34 |
· · · · | with zinc oxide

|  | C04B 35/36 |
· · · | with manganese oxide as the principal oxide

|  | C04B 35/38 |
· · · · | with zinc oxide

|  | C04B 35/40 |
· · · | with rare earth oxide

|  | C04B 35/42 |
· · | based on chromites

|  | C04B 35/44 |
· · | based on aluminates

|  | C04B 35/46 |
· | based on titanium oxides

|  | C04B 35/48 |
· | based on zirconium oxide

|  | C04B 35/50 |
· | based on rare earths

|  | C04B 35/52 |
· | based on carbon or carbides

|  | C04B 35/54 |
· · | based on graphite

|  | C04B 35/56 |
· · | based on carbides

|  | C04B 35/58 |
· | based on nitrides, borides or silicides

|  | C04B 35/60 |
· | by processes involving a melting step

|  | C04B 35/62 |
· · | refractories

|  | C04B 35/64 |
· | Burning or sintering processes (chemical part) (Fulltext... Hierarchy... Expanded...C04B 33/32 takes precedence; powder metallurgy Fulltext... Hierarchy... Expanded...B22F)

|  | C04B 35/66 |
· | Refractory mortars or materials for tamping, including those whether or not containing clay

|  | C04B 35/68 |
· | Refractory or ray-absorbing linings

|  | C04B 35/70 |
· | Refractory materials containing less than 50% of metallic additives (hard alloys based on carbides, nitrides, borides, or silicides Fulltext... Hierarchy... Expanded...C22C 29/00; alloys containing less than 50% of non-metallic refractory materials Fulltext... Hierarchy... Expanded...C22C 31/04)

|  | C04B 35/72 |
· | Products with reinforcements; Reinforced claywares

|  | C04B 37/00 |
Joining burned ceramic articles with other burned ceramic articles or other articles by heating (laminated products Fulltext... Hierarchy... Expanded...C04B 39/00)

|  | C04B 37/02 |
· | with metallic articles

|  | C04B 37/04 |
· | with articles made from glass

|  | C04B 39/00 |
Laminated products

|  | C04B 39/00 |
Note(s) The products classified in this group must also be classified in Fulltext... Hierarchy... Expanded...B32B.

|  | C04B 39/02 |
· | with stone layers

|  | C04B 39/04 |
· · | bound together with organic agents

|  | C04B 39/06 |
· · · | with bituminous material

|  | C04B 39/08 |
· · | bound together with inorganic agents

|  | C04B 39/12 |
· | Laminated refractory products

|  | C04B 41/00 |
After-treatment of artificial stone or ceramics; Treatment of natural stone (grinding, polishing Fulltext... Hierarchy... Expanded...B24)

|  | C04B 41/02 |
· | of burned products

|  | C04B 41/04 |
· · | Impregnating (Fulltext... Hierarchy... Expanded...C04B 41/22 takes precedence)

|  | C04B 41/06 |
· · | Coating

|  | C04B 41/10 |
· · · | Cold glazing; Cold glazes (other glazes Fulltext... Hierarchy... Expanded...C03C)

|  | C04B 41/12 |
· · · | Multiple glazing

|  | C04B 41/14 |
· · · | Metallising

|  | C04B 41/16 |
· · | Stencilling (printing Fulltext... Hierarchy... Expanded...B41M 1/34)

|  | C04B 41/18 |
· · | Reliefs (Fulltext... Hierarchy... Expanded...C04B 41/42 takes precedence)

|  | C04B 41/20 |
· | of unburned products

|  | C04B 41/22 |
· · | Impregnating

|  | C04B 41/24 |
· · · | with inorganic material

|  | C04B 41/26 |
· · · · | fluorine compounds

|  | C04B 41/28 |
· · · | with organic material

|  | C04B 41/30 |
· · | Hardening

|  | C04B 41/32 |
· · | Coating (Fulltext... Hierarchy... Expanded...C04B 41/06 takes precedence)

|  | C04B 41/34 |
· · · | Cold glazing

|  | C04B 41/36 |
· · · | Cold glazes (other glazes Fulltext... Hierarchy... Expanded...C03C)

|  | C04B 41/38 |
· · · | Metallising

|  | C04B 41/40 |
· · | Surface inlaying

|  | C04B 41/42 |
· · | Reliefs

|  | C04B 41/44 |
· · · | Scraping to make grain visible

|  | C04B 43/00 |
Sound or thermal insulating material not covered elsewhere

|  | C04B 43/02 |
· | based on inorganic fibres

|  | C04B 43/04 |
· · | on asbestos

|  | C04B 43/06 |
· | based on diatomite

|  | C04B 43/08 |
· | based on pumice

|  | C04B 43/10 |
· | based on mica

|  | C04B 43/12 |
· | based on organic fibrous materials

|  | C04B 43/14 |
· · | on peat

|  | C04B 43/16 |
· · | on wood wool

|  | C04B 43/18 |
· · | on bast fibres, e.g. straw, reeds