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CPC
COOPERATIVE PATENT CLASSIFICATION
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G21F
PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A61K7/40; in cosmonautic vehicles B64G; combined with a reactor G21C 11/00; combined with X-ray tubes H01J 35/16; combined with X-ray apparatus H05G 1/02)
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G21F 1/00
Shielding characterised by the composition of the materials
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G21F 1/02
.
Selection of uniform shielding materials
G21F 1/023
. .
{
Liquids
}
G21F 1/026
. .
{
Semi-liquids, gels, pastes
}
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G21F 1/04
. .
Concretes; Other hydraulic hardening materials
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G21F 1/042
. . .
{
Concretes combined with other materials dispersed in the carrier
}
G21F 1/045
. . . .
{
with organic substances
}
G21F 1/047
. . . .
{
with metals
}
G21F 1/06
. .
Ceramics; Glasses; Refractories (cermets G21F 1/08)
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G21F 1/08
. .
Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals
G21F 1/085
. . .
{
Heavy metals or alloys
}
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G21F 1/10
. .
Organic substances; Dispersions in organic carriers
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G21F 1/103
. . .
{
Dispersions in organic carriers
}
G21F 1/106
. . . .
{
metallic dispersions
}
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G21F 1/12
.
Laminated shielding materials
G21F 1/125
. .
{
comprising metals
}
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G21F 3/00
Shielding characterised by its physical form, e.g. granules, or shape of the material
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G21F 3/02
.
Clothing (protective garments in general A41D 13/00)
G21F 3/025
. .
Clothing completely surrounding the wearer
G21F 3/03
. .
Aprons
G21F 3/035
. .
Gloves (mounting means on glove boxes G21F 7/053)
G21F 3/04
.
Bricks; Shields made up therefrom
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G21F 5/00
Transportable or portable shielded containers
G21F 5/002
.
Containers for fluid radioactive wastes
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G21F 5/005
.
Containers for solid radioactive wastes, e.g. for ultimate disposal
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G21F 5/008
. .
Containers for fuel elements
G21F 5/012
. . .
Fuel element racks in the containers
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G21F 5/015
.
for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers
G21F 5/018
. .
Syringe shields or holders (syringe shielding for applying radioactive material to the body
{
A61M 5/1785
}
)
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G21F 5/02
.
with provision for restricted exposure of a radiation source within the container
G21F 5/04
. .
Means for controlling exposure, e.g. time, size of aperture (controlling exposure to X-radiation H05G 1/30)
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G21F 5/06
.
Details of, or accessories to, the containers
G21F 5/065
. .
{
Containers provided with a rotatable drum
}
G21F 5/08
. .
Shock-absorbers, e.g. impact buffers for containers
G21F 5/10
. .
Heat-removal systems, e.g. using circulating fluid or cooling fins
G21F 5/12
. .
Closures for containers; Sealing arrangements
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)
}
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G21F 7/00
Shielded cells or rooms (chambers provided with manipulating devices in general B25J)
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G21F 7/005
.
Shielded passages through walls; Locks; Transferring devices between rooms (between glove-boxes G21F 7/047)
G21F 7/01
. .
Transferring by fluidic means
G21F 7/015
.
Room atmosphere, temperature or pressure control devices
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G21F 7/02
.
Observation devices permitting vision but shielding the observer
{
(optical systems per se G02)
}
G21F 7/03
. .
Windows, e.g. shielded
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G21F 7/04
.
Shielded glove-boxes (glove-boxes in general B25J 21/02)
G21F 7/041
. .
{
Glove-box atmosphere, temperature or pressure control devices (in general G21F 7/015)
}
G21F 7/043
. .
{
Lighting
}
G21F 7/045
. .
{
Transportable glove-boxes
}
G21F 7/047
. .
Shielded passages; Closing or transferring means between glove-boxes
G21F 7/053
. .
Glove mounting means
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G21F 7/06
.
Structural combination with remotely controlled apparatus, e.g. with manipulators (manipulators B25J; remote control in general G05)
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G21F 7/061
. .
{
Integrated manipulators
}
G21F 7/062
. . .
{
mounted in a wall, e.g. pivotably mounted (in general F16J 15/50, F16J 15/52)
}
G21F 7/063
. .
{
Remotely manipulated measuring or controlling devices (combined with window G21F 7/02)
}
G21F 7/065
. .
{
Remotely manipulated machinery
}
G21F 7/066
. .
{
Remotely manipulated tools
}
G21F 7/067
. .
{
Transferring devices within cells or boxes (between cells G21F 7/005, G21F 7/047)
}
G21F 7/068
. .
{
Remotely manipulating devices for fluids
}
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G21F 9/00
Treating radioactively contaminated material; Decontamination arrangements therefor
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G21F 9/001
.
{
Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
}
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G21F 9/002
. .
{
Decontamination of the surface of objects with chemical or electrochemical processes
}
G21F 9/004
. . .
{
of metallic surfaces
}
G21F 9/005
. .
{
Decontamination of the surface of objects by ablation
}
G21F 9/007
.
{
Recovery of isotopes from radioactive waste, e.g. fission products (separating different isotopes of the same chemical element B01D 59/00)
}
G21F 9/008
.
{
Apparatus specially adapted for mixing or disposing radioactively contamined material (G21F 9/305 and G21F 9/308 take precedence)
}
G21F 9/02
.
Treating gases
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G21F 9/04
.
Treating liquids
NOTE
-
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

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G21F 9/06
. .
Processing (separating different isotopes of the same chemical element B01D 59/00)
G21F 9/08
. . .
by evaporation; by distillation
G21F 9/10
. . .
by flocculation
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G21F 9/12
. . .
by absorption; by adsorption; by ion-exchange
G21F 9/125
. . . .
{
by solvent extraction
}
G21F 9/14
. . .
by incineration; by calcination, e.g. desiccation
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G21F 9/16
. . .
by fixation in stable solid media
{
G21F 9/305 takes precedence
}
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G21F 9/162
. . . .
{
in an inorganic matrix, e.g. clays, zeolites
}
G21F 9/165
. . . . .
{
Cement or cement-like matrix (compositional aspects C04B)
}
G21F 9/167
. . . .
{
in polymeric matrix, e.g. resins, tars
}
G21F 9/18
. . .
by biological processes
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G21F 9/20
. .
Disposal of liquid waste
G21F 9/22
. . .
by storage in a tank or other container
G21F 9/24
. . .
by storage in the ground; by storage under water, e.g. in ocean
G21F 9/26
. . .
by dilution in water, e.g. in ocean, in stream
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G21F 9/28
.
Treating solids
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G21F 9/30
. .
Processing (separating different isotopes of the same chemical element B01D 59/00)
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G21F 9/301
. . .
{
by fixation in stable solid media
}
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G21F 9/302
. . . .
{
in an inorganic matrix
}
G21F 9/304
. . . . .
{
Cement or cement-like matrix (compositional aspects C04B)
}
G21F 9/305
. . . . .
{
Glass or glass like matrix (C03B 5/005 takes precedence; compositional aspects C03C)
}
G21F 9/307
. . . .
{
in polymeric matrix, e.g. resins, tars
}
G21F 9/308
. . .
{
by melting the waste (G21F 9/305, G21F 9/32 take precedence)
}
G21F 9/32
. . .
by incineration
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G21F 9/34
. .
Disposal of solid waste
G21F 9/36
. . .
by packaging; by baling
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G21F 2005/00
Transportable or portable shielded containers
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G21F 2005/06
.
Details of, or accessories to, the containers
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G21F 2005/12
. .
Closures for containers; Sealing arrangements
G21F 2005/125
. . .
Means to monitor or detect the leak-tightness of the closure
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Last Modified: 04/16/2013 4:31:16 PM