C
SECTION C — CHEMISTRY; METALLURGY
 C

Note(s)

In section C, the definitions of groups of chemical elements are as follows:

  • Alkali metals: Li, Na, K, Rb, Cs, Fr
  • Alkaline earth metals: Ca, Sr, Ba, Ra
  • Lanthanides: elements with atomic numbers 57 to 71 inclusive
  • Rare earths: Sc, Y, Lanthanides
  • Actinides: elements with atomic numbers 89 to 103 inclusive
  • Refractory metals: Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
  • Halogens: F, Cl, Br, I, At
  • Noble gases: He, Ne, Ar, Kr, Xe, Rn
  • Platinum group: Os, Ir, Pt, Ru, Rh, Pd
  • Noble metals: Ag, Au, Platinum group
  • Light metals: alkali metals, alkaline earth metals, Be, Al, Mg
  • Heavy metals: metals other than light metals
  • Iron group: Fe, Co, Ni
  • Non-metals: H, B, C, Si, N, P, O, S, Se, Te, noble gases, halogens
  • Metals: elements other than non-metals
  • Transition elements: elements with atomic numbers 21 to 30 inclusive, 39 to 48 inclusive, 57 to 80 inclusive, 89 upwards

  
CHEMISTRY
 C03
GLASS; MINERAL OR SLAG WOOL
 C03C
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
 C03C 1/00 - 
C03C 14/00
Chemical composition of glasses, glazes, or vitreous enamels
 C03C 1/00 - 
C03C 14/00

Note(s)

In groups C03C 1/00-C03C 14/00, in the absence of an indication to the contrary, an invention is classified in the last appropriate place. [4]

 C03C 1/00
Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels
 C03C 1/02
·  Pretreated ingredients
 C03C 1/04
·  Opacifiers, e.g. fluorides or phosphates; Pigments
 C03C 1/06
·  ·  to produce non-uniformly pigmented, e.g. speckled, marbled, or veined products
 C03C 1/08
·  to produce crackled effects
 C03C 1/10
·  to produce uniformly-coloured transparent products
 C03C 3/00
Glass compositions (glass batch compositions C03C 6/00)
 C03C 3/02
( covered by C03C 3/00 )
 C03C 3/04
·  containing silica
 C03C 3/04

Note(s)

Inventions which specify silica being present in a percent range covered by two of the groups C03C 3/06, C03C 3/062 or C03C 3/076 are classified in each of the groups. If covered by more than two of these groups, they are classified in group C03C 3/04 itself. [4]

 C03C 3/06
·  ·  with more than 90% silica by weight, e.g. quartz
 C03C 3/062
·  ·  with less than 40% silica by weight  [4]
 C03C 3/064
·  ·  ·  containing boron  [4]
 C03C 3/066
·  ·  ·  ·  containing zinc  [4]
 C03C 3/068
·  ·  ·  ·  containing rare earths  [4]
 C03C 3/07
·  ·  ·  containing lead  [4]
 C03C 3/072
·  ·  ·  ·  containing boron  [4]
 C03C 3/074
·  ·  ·  ·  ·  containing zinc  [4]
 C03C 3/076
·  ·  with 40% to 90% silica, by weight  [4]
 C03C 3/078
·  ·  ·  containing an oxide of a divalent metal, e.g. an oxide of zinc  [4]
 C03C 3/08
( transferred to C03C 3/064, C03C 3/089, C03C 3/11 )
 C03C 3/083
·  ·  ·  containing aluminium oxide or an iron compound  [4]
 C03C 3/085
·  ·  ·  ·  containing an oxide of a divalent metal  [4]
 C03C 3/087
·  ·  ·  ·  ·  containing calcium oxide, e.g. common sheet or container glass  [4]
 C03C 3/089
·  ·  ·  containing boron  [4]
 C03C 3/091
·  ·  ·  ·  containing aluminium  [4]
 C03C 3/093
·  ·  ·  ·  ·  containing zinc or zirconium  [4]
 C03C 3/095
·  ·  ·  containing rare earths  [4]
 C03C 3/097
·  ·  ·  containing phosphorus, niobium or tantalum  [4]
 C03C 3/10
( transferred to C03C 3/062, C03C 3/076 )
 C03C 3/102
·  ·  ·  containing lead  [4]
 C03C 3/105
·  ·  ·  ·  containing aluminium  [4]
 C03C 3/108
·  ·  ·  ·  containing boron  [4]
 C03C 3/11
·  ·  ·  containing halogen or nitrogen  [4]
 C03C 3/112
·  ·  ·  ·  containing fluorine  [4]
 C03C 3/115
·  ·  ·  ·  ·  containing boron  [4]
 C03C 3/118
·  ·  ·  ·  ·  ·  containing aluminium  [4]
 C03C 3/12
·  Silica-free oxide glass compositions
 C03C 3/14
·  ·  containing boron
 C03C 3/145
·  ·  ·  containing aluminium or beryllium  [4]
 C03C 3/15
·  ·  ·  containing rare earths  [4]
 C03C 3/155
·  ·  ·  ·  containing zirconium, titanium, tantalum or niobium  [4]
 C03C 3/16
·  ·  containing phosphorus
 C03C 3/17
·  ·  ·  containing aluminium or beryllium  [4]
 C03C 3/18
( transferred to C03C 3/23, C03C 3/32 )
 C03C 3/19
·  ·  ·  containing boron  [4]
 C03C 3/20
( covered by C03C 3/00 )
 C03C 3/21
·  ·  ·  containing titanium, zirconium, vanadium, tungsten or molybdenum  [4]
 C03C 3/22
( transferred to C03C 10/00 )
 C03C 3/23
·  ·  containing halogen and at least one oxide, e.g. oxide of boron  [4]
 C03C 3/24
( transferred to C03C 4/08 )
 C03C 3/247
·  ·  ·  containing fluorine and phosphorus  [4]
 C03C 3/253
·  ·  containing germanium  [4]
 C03C 3/26
( transferred to C03C 4/04 )
 C03C 3/28
( transferred to C03C 4/12 )
 C03C 3/30
( transferred to C03C 4/00 )
 C03C 3/32
·  Non-oxide glass compositions, e.g. binary or ternary halides, sulphides, or nitrides of germanium, selenium or tellurium  [4]
 C03C 4/00
Compositions for glass with special properties  [4]
 C03C 4/00

Note(s)

An invention classified within group C03C 4/00 is also classified according to the glass composition in the appropriate groups of group C03C 3/00[4]

 C03C 4/02
·  for coloured glass  [4]
 C03C 4/04
·  for photosensitive glass  [4]
 C03C 4/06
·  ·  for phototropic or photochromic glass  [4]
 C03C 4/08
·  for glass selectively absorbing radiation of specified wave lengths  [4]
 C03C 4/10
·  for infra-red transmitting glass  [4]
 C03C 4/12
·  for luminescent glass; for fluorescent glass  [4]
 C03C 4/14
·  for electro-conductive glass  [4]
 C03C 4/16
·  for dielectric glass  [4]
 C03C 4/18
·  for ion-sensitive glass  [4]
 C03C 4/20
·  for chemical resistant glass  [4]
 C03C 5/00
( transferred to C03C 8/00 )
 C03C 6/00
Glass batch compositions (single ingredients of batch compositions C03C 1/00)  [4]
 C03C 6/00

Note(s)

This group covers also compositions which are intended to be heated sufficiently for their ingredients to fuse into a glass, e.g. glass furnace charges. [4]

 C03C 6/02
·  containing silicates, e.g. cullet  [4]
 C03C 6/04
·  containing uncombined silica, e.g. sand  [4]
 C03C 6/06
·  containing halogen compounds  [4]
 C03C 6/08
·  containing pellets or agglomerates  [4]
 C03C 6/10
·  containing slag  [4]
 C03C 7/00
( transferred to C03C 8/00 )
 C03C 8/00
Enamels; Glazes (cold glazes for ceramics C04B 41/86); Fusion seal compositions being frit compositions having non-frit additions  [4]
 C03C 8/02
·  Frit compositions, i.e. in a powdered or comminuted form  [4]
 C03C 8/04
·  ·  containing zinc  [4]
 C03C 8/06
·  ·  containing halogen  [4]
 C03C 8/08
·  ·  containing phosphorus  [4]
 C03C 8/10
·  ·  containing lead  [4]
 C03C 8/12
·  ·  ·  containing titanium or zirconium  [4]
 C03C 8/14
·  Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill additions  [4]
 C03C 8/16
·  ·  with vehicle or suspending agents, e.g. slip  [4]
 C03C 8/18
·  ·  containing free metals  [4]
 C03C 8/20
·  ·  containing titanium compounds; containing zirconium compounds  [4]
 C03C 8/22
·  containing two or more distinct frits having different compositions  [4]
 C03C 8/24
·  Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders  [4]
 C03C 9/00
( transferred to C03C 8/00 )
 C03C 10/00
Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition  [4]
 C03C 10/02
·  Non-silica and non-silicate crystalline phase, e.g. spinel, barium titanate  [4]
 C03C 10/04
·  Silicate or polysilicate crystalline phase, e.g. mullite, diopside, sphene, plagioclase  [4]
 C03C 10/06
·  ·  Divalent metal oxide aluminosilicate crystalline phase, e.g. anorthite, slagcerams  [4]
 C03C 10/08
·  ·  ·  Magnesium aluminosilicate, e.g. cordierite  [4]
 C03C 10/10
·  ·  Alkali metal aluminosilicate crystalline phase  [4]
 C03C 10/12
·  ·  ·  Lithium aluminosilicate, e.g. spodumene, eucryptite  [4]
 C03C 10/14
·  Silica crystalline phase, e.g. stuffed quartz, cristobalite  [4]
 C03C 10/16
·  Halogen containing crystalline phase  [4]
 C03C 11/00
Multi-cellular glass
 C03C 12/00
Powdered glass (C03C 8/02 takes precedence); Bead compositions
 C03C 12/02
·  Reflective beads  [4]
 C03C 13/00
Fibre or filament compositions (manufacture of fibres or filaments C03B 37/00)
 C03C 13/02
·  containing compounds of titanium or zirconium  [4]
 C03C 13/04
·  Fibre optics, e.g. core and clad fibre compositions (light guides per se G 02 B 5/14)  [4]
 C03C 13/06
·  Mineral fibres, e.g. slag wool, mineral wool, rock wool  [4]
 C03C 14/00
Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix (glass batch compositions C03C 6/00; devitrified glass-ceramics C03C 10/00)  [2]
 C03C 15/00 - 
C03C 25/00
Surface treatment of glass; Surface treatment of fibres or filaments from glass, minerals or slags
 C03C 15/00 - 
C03C 25/00

Note(s)

Treatment of materials specially adapted to enhance their filling properties in mortars, concrete, artificial stone or the like is classified in subclass C04B[4]

 C03C 15/00
Surface treatment of glass by etching (etching fibres C03C 25/06; etching or surface-brightening compositions, in general C09K 13/00)  [2]
 C03C 15/02
·  for making a smooth surface
 C03C 17/00
Surface treatment of glass, e.g. of devitrified glass, other than fibres, by coating
 C03C 17/02
·  with glass (C03C 17/34, C03C 17/44 take precedence)  [3]
 C03C 17/04
·  ·  by fritting glass powder
 C03C 17/06
·  with metals (C03C 17/34, C03C 17/44 take precedence)  [3]
 C03C 17/09
·  ·  by deposition from the vapour phase  [3]
 C03C 17/10
·  ·  by deposition from the liquid phase
 C03C 17/22
·  with other inorganic material (C03C 17/34, C03C 17/44 take precedence)  [3]
 C03C 17/23
·  ·  Oxides (C03C 17/02 takes precedence)  [3]
 C03C 17/245
·  ·  ·  by deposition from the vapour phase  [3]
 C03C 17/25
·  ·  ·  by deposition from the liquid phase  [3]
 C03C 17/27
·  ·  ·  by oxidation of a coating previously applied  [3]
 C03C 17/28
·  with organic material (C03C 17/34, C03C 17/44 take precedence)  [3]
 C03C 17/30
·  ·  with silicon-containing compounds
 C03C 17/32
·  ·  with synthetic or natural resins (C03C 17/30 takes precedence)
 C03C 17/34
·  with at least two coatings having different compositions (C03C 17/44 takes precedence)  [3]
 C03C 17/36
·  ·  at least one coating being a metal  [3]
 C03C 17/38
·  ·  ·  at least one coating being a coating of an organic material  [3]
 C03C 17/40
·  ·  ·  all coatings being metal coatings  [3]
 C03C 17/42
·  ·  at least one coating of an organic material and at least one non-metal coating  [3]
 C03C 17/44
·  Lustring  [3]
 C03C 19/00
Surface treatment of glass by mechanical means (sand blasting, grinding, or polishing glass B24)
 C03C 21/00
Treatment of glass by diffusing ions or metals in the surface
 C03C 23/00
Other surface treatment of glass not in the form of fibres
 C03C 25/00
Surface treatment of fibres or filaments from glass, minerals, or slags
 C03C 25/02
·  Coating
 C03C 25/04
·  ·  Metallising
 C03C 25/06
·  Etching
 C03C 27/00 - 
C03C 29/00
Joining glass to glass or to other materials (fusion seal compositions C03C 8/24)
 C03C 27/00 - 
C03C 29/00

Note(s)

Layered products classified in groups C03C 27/00 or C03C 29/00 are also classified in subclass B32B.

 C03C 27/00
Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing (C03C 17/00 takes precedence; wired glass C03B; joining glass to ceramics C04)
 C03C 27/02
·  by fusing glass directly to metal
 C03C 27/04
·  joining glass to metal by means of an interlayer
 C03C 27/06
·  joining glass to glass by methods other than fusing (fusing C03B 23/20)
 C03C 27/08
·  ·  with the aid of intervening metal
 C03C 27/10
·  ·  with the aid of adhesive specially adapted for that purpose
 C03C 27/12
·  ·  ·  Laminated glass (mechanical features in manufacture of glass laminates part of which is of plastic material B32B)
 C03C 29/00
Joining metals with the aid of glass