CPC Definition - Subclass G21F

Last Updated Version: 2019.01
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)
Definition statement

This place covers:

Shielding providing protection against ionising radiation, i.e. against x-radiation, gamma radiation, corpuscolar radiation or particle bombardment; devices and methods to treat radioactively contaminated materials.

References
Limiting references

This place does not cover:

Radiation protection by pharmaceutical means

A61K 8/00

Use of cosmetics or similar toilet preparations already classified as such in A61K 8/00 when brought into direct contact with the skin (i.e. topical preparations) for affording protection against X-rays or other harmful rays

A61Q 17/04

Radiation protection in cosmonautic vehicles

B64G 1/54

Shielding structurally associated with a reactor

G21C 11/00

Vessels, containers or shields associated with X-ray tubes

H01J 35/16

X-ray producing apparatus involving X-ray tubes; constructional details thereof; control thereof; circuits thereof

H05G 1/00, H05G 1/02, H05G 1/30

Application-oriented references

Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment; application or adaptation of safety means thereof

A61B 6/10

Applying radioactive material to the body; shielding of fluid reservoirs therefor, e.g. syringe shielding

A61M 5/1785

Informative references

Attention is drawn to the following places, which may be of interest for search:

Applying radioactive material to, or placing it within, the body

A61M 37/0069, A61N 5/10

Safety devices combined with or specially adapted for manipulators

B25J 19/00

Radiation protection in cosmonautic vehicles

B64G

Radiation protection combined with a nuclear reactor

G21C 11/00

Radiation protection combined with X-ray tubes

H01J 35/16

X-ray technique in general

H05G

Radiation protection combined with X-ray apparatus

H05G 1/02

Special rules of classification

Classification of both important (invention) information and additional information is obligatory.

Shielding characterised by the composition of the materials
Definition statement

This place covers:

Shielding characterised by the specific material or composition chosen for obtaining the protection against ionising radiation.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Lime, magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone

C04B 28/00

Shielding characterised by its physical form, e.g. granules, or shape of the material
Definition statement

This place covers:

Both the physical form of the shielding and the physical form of the shielding material or composition used to make the shielding. The subgroups only cover the physical form of the shielding itself. G21F 1/00 covers the material compositions, i.e. the choice of materials, G21F 3/00 the shape that such composition takes.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Protective clothing or garments in general

A41D 13/00

Radiation protection in radiation diagnosis apparatus, e.g. combined with radiation therapy equipment

A61B 6/107

Transportable or portable shielded containers
Definition statement

This place covers:

Details of transportable containers for materials or structures emitting ionising radiation.

References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Radiation protection in radiation diagnosis apparatus, e.g. combined with radiation therapy equipment

A61B 6/107

Vehicles adapted for load transportation, to carry or to comprise special loads or objects

B60P

Containers for contents presenting particular transport or storage problems

B65D 81/00

Shock absorbers per se

F16F

Storage racks within reactor storage pool

G21C 19/07

Shielded cells or rooms (chambers provided with manipulating devices in general B25J)
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Chambers provided with manipulating devices in general

B25J 21/00

Glove-boxes in general

B25J 21/02

Control or regulating systems in general

G05B

Treating radioactively contaminated material; Decontamination arrangements therefor
Definition statement

This place covers:

Treatment of radioactively contaminated material and all decontamination arrangements therefor as well as the decontamination of contaminated objects, apparatus and clothes and the decontamination of surfaces.

References
Limiting references

This place does not cover:

Reprocessing of nuclear fuel

G21C 19/42

Informative references

Attention is drawn to the following places, which may be of interest for search:

Separating different isotopes of the same chemical element

B01D 59/00

Reclamation of contaminated soil

B09C 1/00

Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels

C03C 1/00

Materials for absorbing liquids to remove pollution

C09K 3/32

Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent

C11D 1/00

Decommissioning

G21D 1/00

Synonyms and Keywords

In patent documents, the following abbreviations are often used:

HLW

High Level Waste

MLW

Medium Level Waste

LLW

Low Level Waste