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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES (applications of radiation in general G21H 5/00; handling particles, e.g. neutrons, or electromagnetic radiation not otherwise provided for G21K)
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Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes (separation of different isotopes of the same element B01D 59/00)
G21G 1/0005
.
{
Isotope delivery systems (use of radioisotopes as tracers G21H 5/02)
}
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G21G 1/001
.
{
Recovery of specific isotopes from irradiated targets
}
G21G 2001/0015
. .
{
Fluorine
}
G21G 2001/0021
. .
{
Gallium
}
G21G 2001/0026
. .
{
Arsenic
}
G21G 2001/0031
. .
{
Rubidium
}
G21G 2001/0036
. .
{
Molybdenum
}
G21G 2001/0042
. .
{
Technetium
}
G21G 2001/0047
. .
{
Rhodium
}
G21G 2001/0052
. .
{
Palladium
}
G21G 2001/0057
. .
{
Indium
}
G21G 2001/0063
. .
{
Iodine
}
G21G 2001/0068
. .
{
Cesium
}
G21G 2001/0073
. .
{
Rhenium
}
G21G 2001/0078
. .
{
Thallium
}
G21G 2001/0084
. .
{
Bismuth
}
G21G 2001/0089
. .
{
Actinium
}
G21G 2001/0094
. .
{
Other isotopes not provided for in the groups listed above
}
G21G 1/02
.
in nuclear reactors (by thermonuclear reactions G21B; conversion of nuclear fuel G21C)
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G21G 1/04
.
outside nuclear reactors or particle accelerators
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G21G 1/06
. .
by neutron irradiation
G21G 1/08
. . .
accompanied by nuclear fission
G21G 1/10
. .
by bombardment with electrically charged particles (irradiation devices G21K 5/00)
G21G 1/12
. .
by electromagnetic irradiation, e.g. with gamma or X-rays (applications of radiation G21H 5/00; irradiation devices G21K 5/00)
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Radioactive sources (producing neutrons or other subatomic particles, X- or gamma rays, in fusion reactors G21B, in nuclear reactors G21C, by cosmic radiation G21H 7/00, in accelerators H05H; X-ray tubes H01J 35/00; gamma masers H01S 4/00)
G21G 4/02
.
Neutron sources
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G21G 4/04
.
Radioactive sources other than neutron sources (radioactive dressings A61N 5/1029)
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G21G 4/06
. .
characterised by constructional features
G21G 4/08
. . .
specially adapted for medical application (radiation therapy using radioactive sources A61N 5/10)
G21G 4/10
. .
with radium emanation
Alleged conversion of chemical elements by chemical reaction
Conversion of chemical elements not provided for in other groups of this subclass
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Last Modified: 10/10/2013