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CPC
COOPERATIVE PATENT CLASSIFICATION
G21F
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A61K 8/00, A61Q 17/04; in cosmonautic vehicles B64G 1/54; combined with a reactor G21C 11/00; combined with X-ray tubes H01J 35/16; combined with X-ray apparatus H05G 1/02) [2019-01]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
G21F 1/00
Shielding characterised by the composition of the materials [2013-01]
G21F 1/02
.
Selection of uniform shielding materials [2013-01]
G21F 1/023
. .
{Liquids} [2013-01]
G21F 1/026
. .
{Semi-liquids, gels, pastes} [2013-01]
G21F 1/04
. .
Concretes; Other hydraulic hardening materials [2013-01]
G21F 1/042
. . .
{Concretes combined with other materials dispersed in the carrier} [2013-01]
G21F 1/045
. . . .
{with organic substances} [2013-01]
G21F 1/047
. . . .
{with metals} [2013-01]
G21F 1/06
. .
Ceramics; Glasses; Refractories (cermets G21F 1/08) [2013-01]
G21F 1/08
. .
Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals [2013-01]
G21F 1/085
. . .
{Heavy metals or alloys} [2013-01]
G21F 1/10
. .
Organic substances; Dispersions in organic carriers [2013-01]
G21F 1/103
. . .
{Dispersions in organic carriers} [2013-01]
G21F 1/106
. . . .
{metallic dispersions} [2013-01]
G21F 1/12
.
Laminated shielding materials [2013-01]
G21F 1/125
. .
{comprising metals} [2013-01]
G21F 3/00
Shielding characterised by its physical form, e.g. granules, or shape of the material [2013-01]
G21F 3/02
.
Clothing [2019-02]
G21F 3/025
. .
Clothing completely surrounding the wearer [2013-01]
G21F 3/03
. .
Aprons [2013-01]
G21F 3/035
. .
Gloves (mounting means on glove boxes G21F 7/053) [2013-01]
G21F 3/04
.
Bricks; Shields made up therefrom [2013-01]
G21F 5/00
Transportable or portable shielded containers [2013-01]
G21F 5/002
.
Containers for fluid radioactive wastes [2013-01]
G21F 5/005
.
Containers for solid radioactive wastes, e.g. for ultimate disposal [2013-01]
G21F 5/008
. .
Containers for fuel elements [2013-01]
G21F 5/012
. . .
Fuel element racks in the containers [2013-01]
G21F 5/015
.
for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers [2013-01]
G21F 5/018
. .
Syringe shields or holders (syringe shielding for applying radioactive material to the body {A61M 5/1785}) [2013-01]
G21F 5/02
.
with provision for restricted exposure of a radiation source within the container [2013-01]
G21F 5/04
. .
Means for controlling exposure, e.g. time, size of aperture (controlling exposure to X-radiation H05G 1/30) [2013-01]
G21F 5/06
.
Details of, or accessories to, the containers [2013-01]
G21F 5/065
. .
{Containers provided with a rotatable drum} [2013-01]
G21F 5/08
. .
Shock-absorbers, e.g. impact buffers for containers [2013-01]
G21F 5/10
. .
Heat-removal systems, e.g. using circulating fluid or cooling fins [2013-01]
G21F 5/12
. .
Closures for containers; Sealing arrangements [2013-01]
G21F 5/125
. . .
{Means to monitor or detect the leak-tightness of the closure} [2019-01]
G21F 5/14
. .
Devices for handling containers or shipping-casks, e.g. transporting devices {loading and unloading, filling of containers (cranes, load-engaging elements or devices for cranes, capstans, winches or tackles B66C)} [2017-08]
G21F 7/00
Shielded cells or rooms [2022-01]
G21F 7/005
.
Shielded passages through walls; Locks; Transferring devices between rooms (between glove-boxes G21F 7/047) [2013-01]
G21F 7/01
. .
Transferring by fluidic means [2013-01]
G21F 7/015
.
Room atmosphere, temperature or pressure control devices [2013-01]
G21F 7/02
.
Observation devices permitting vision but shielding the observer {(optical systems per se G02)} [2013-01]
G21F 7/03
. .
Windows, e.g. shielded [2013-01]
G21F 7/04
.
Shielded glove-boxes (glove-boxes in general B25J 21/02) [2013-01]
G21F 7/041
. .
{Glove-box atmosphere, temperature or pressure control devices (in general G21F 7/015)} [2013-01]
G21F 7/043
. .
{Lighting} [2013-01]
G21F 7/045
. .
{Transportable glove-boxes} [2013-01]
G21F 7/047
. .
Shielded passages; Closing or transferring means between glove-boxes [2013-01]
G21F 7/053
. .
Glove mounting means [2013-01]
G21F 7/06
.
Structural combination with remotely-controlled apparatus, e.g. with manipulators [2022-01]
G21F 7/061
. .
{Integrated manipulators} [2013-01]
G21F 7/062
. . .
{mounted in a wall, e.g. pivotably mounted (in general F16J 15/50, F16J 15/52)} [2013-01]
G21F 7/063
. .
{Remotely manipulated measuring or controlling devices (combined with window G21F 7/02)} [2013-01]
G21F 7/065
. .
{Remotely manipulated machinery} [2013-01]
G21F 7/066
. .
{Remotely manipulated tools} [2013-01]
G21F 7/067
. .
{Transferring devices within cells or boxes (between cells G21F 7/005, G21F 7/047)} [2013-01]
G21F 7/068
. .
{Remotely manipulating devices for fluids} [2013-01]
G21F 9/00
Treating radioactively contaminated material; Decontamination arrangements therefor [2013-01]
G21F 9/001
.
{Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof} [2013-01]
G21F 9/002
. .
{Decontamination of the surface of objects with chemical or electrochemical processes} [2013-01]
G21F 9/004
. . .
{of metallic surfaces} [2013-01]
G21F 9/005
. .
{Decontamination of the surface of objects by ablation} [2013-01]
G21F 9/007
.
{Recovery of isotopes from radioactive waste, e.g. fission products (separating different isotopes of the same chemical element B01D 59/00)} [2013-01]
G21F 9/008
.
{Apparatus specially adapted for mixing or disposing radioactively contamined material (G21F 9/305 and G21F 9/308 take precedence)} [2013-01]
G21F 9/02
.
Treating gases [2013-01]
G21F 9/04
.
Treating liquids [2013-01]
NOTES

  • In this group the following term is used with the meaning indicated:
    • "liquids" mean compounds being liquid under normal temperature and pressure conditions.
  • Molten metals and corium are classified as solids. Muds are classified as liquids as long as they are not dried
G21F 9/06
. .
Processing (separating different isotopes of the same chemical element B01D 59/00) [2013-01]
G21F 9/08
. . .
by evaporation; by distillation [2013-01]
G21F 9/10
. . .
by flocculation [2013-01]
G21F 9/12
. . .
by absorption; by adsorption; by ion-exchange [2013-01]
G21F 9/125
. . . .
{by solvent extraction} [2013-01]
G21F 9/14
. . .
by incineration; by calcination, e.g. desiccation [2013-01]
G21F 9/16
. . .
by fixation in stable solid media {(G21F 9/305 takes precedence)} [2013-01]
G21F 9/162
. . . .
{in an inorganic matrix, e.g. clays, zeolites} [2013-01]
G21F 9/165
. . . . .
{Cement or cement-like matrix (compositional aspects C04B)} [2013-01]
G21F 9/167
. . . .
{in polymeric matrix, e.g. resins, tars} [2013-01]
G21F 9/18
. . .
by biological processes [2013-01]
G21F 9/20
. .
Disposal of liquid waste [2013-01]
G21F 9/22
. . .
by storage in a tank or other container [2013-01]
G21F 9/24
. . .
by storage in the ground; by storage under water, e.g. in ocean [2013-01]
G21F 9/26
. . .
by dilution in water, e.g. in ocean, in stream [2013-01]
G21F 9/28
.
Treating solids [2013-01]
G21F 9/30
. .
Processing (separating different isotopes of the same chemical element B01D 59/00) [2013-01]
G21F 9/301
. . .
{by fixation in stable solid media} [2013-01]
G21F 9/302
. . . .
{in an inorganic matrix} [2013-01]
G21F 9/304
. . . . .
{Cement or cement-like matrix (compositional aspects C04B)} [2013-01]
G21F 9/305
. . . . .
{Glass or glass like matrix (C03B 5/005 takes precedence; compositional aspects C03C)} [2013-01]
G21F 9/307
. . . .
{in polymeric matrix, e.g. resins, tars} [2013-01]
G21F 9/308
. . .
{by melting the waste (G21F 9/305, G21F 9/32 take precedence)} [2013-01]
G21F 9/32
. . .
by incineration [2013-01]
G21F 9/34
. .
Disposal of solid waste [2013-01]
G21F 9/36
. . .
by packaging; by baling [2013-01]