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CPC
COOPERATIVE PATENT CLASSIFICATION
G21G
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) [2018-08]
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.
G21G 1/00
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) [2013-01]
G21G 1/0005
.
{Isotope delivery systems (use of radioisotopes as tracers G21H 5/02)} [2013-01]
G21G 1/001
.
{Recovery of specific isotopes from irradiated targets} [2013-01]
G21G 2001/0015
. .
{Fluorine} [2013-01]
G21G 2001/0021
. .
{Gallium} [2013-01]
G21G 2001/0026
. .
{Arsenic} [2013-01]
G21G 2001/0031
. .
{Rubidium} [2013-01]
G21G 2001/0036
. .
{Molybdenum} [2013-01]
G21G 2001/0042
. .
{Technetium} [2013-01]
G21G 2001/0047
. .
{Rhodium} [2013-01]
G21G 2001/0052
. .
{Palladium} [2013-01]
G21G 2001/0057
. .
{Indium} [2013-01]
G21G 2001/0063
. .
{Iodine} [2013-01]
G21G 2001/0068
. .
{Cesium} [2013-01]
G21G 2001/0073
. .
{Rhenium} [2013-01]
G21G 2001/0078
. .
{Thallium} [2013-01]
G21G 2001/0084
. .
{Bismuth} [2013-01]
G21G 2001/0089
. .
{Actinium} [2013-01]
G21G 2001/0094
. .
{Other isotopes not provided for in the groups listed above} [2013-01]
G21G 1/02
.
in nuclear reactors (by thermonuclear reactions G21B; conversion of nuclear fuel G21C) [2013-01]
G21G 1/04
.
outside nuclear reactors or particle accelerators [2013-01]
G21G 1/06
. .
by neutron irradiation [2013-01]
G21G 1/08
. . .
accompanied by nuclear fission [2013-01]
G21G 1/10
. .
by bombardment with electrically charged particles (irradiation devices G21K 5/00) [2013-01]
G21G 1/12
. .
by electromagnetic irradiation, e.g. with gamma or X-rays (applications of radiation G21H 5/00; irradiation devices G21K 5/00) [2013-01]
G21G 4/00
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) [2013-01]
G21G 4/02
.
Neutron sources [2013-01]
G21G 4/04
.
Radioactive sources other than neutron sources (radioactive dressings A61N 5/1029) [2013-01]
G21G 4/06
. .
characterised by constructional features [2013-01]
G21G 4/08
. . .
specially adapted for medical application (radiation therapy using radioactive sources A61N 5/10) [2013-01]
G21G 4/10
. .
with radium emanation [2013-01]
G21G 5/00
Alleged conversion of chemical elements by chemical reaction [2013-01]
G21G 7/00
Conversion of chemical elements not provided for in other groups of this subclass [2013-01]