ClassID:

200447

G21F9/004 - CPC Classification

Classification description:

Treating radioactively contaminated material; Decontamination arrangements therefor; Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof; Decontamination of the surface of objects with chemical or electrochemical processes of metallic surfaces

Recent Application in this class:
#1
20260120906
2026-04-30

METHOD AND APPARATUS FOR REMOVING RADIONUCLIDES FROM RADIOACTIVE METAL WASTE

#2
20250266180
2025-08-21

Methods for Recycling Metals from the Nuclear Industry

#3
20240194364
2024-06-13

ELECTROLYTIC INTERIOR SURFACE TREATMENT APPARATUS

#4
20240170171
2024-05-23

ELECTROCHEMICAL SURFACE TREATMENT APPARATUS

#5
20240055147
2024-02-15

WASTE LIQUID TREATMENT FACILITY

#6
20220359096
2022-11-10

ELECTROCHEMICAL SURFACE TREATMENT

#7
20220181040
2022-06-09

APPARATUS AND METHOD

#8
20210407698
2021-12-30

ELECTROLYTIC TREATMENT FOR NUCLEAR DECONTAMINATION

#9
20210296019
2021-09-23

Chemical decontamination method and chemical decontamination apparatus

#10
20210225544
2021-07-22

Method of decontaminating a metal surface in a nuclear power plant

#11
20210225543
2021-07-22

Method for decontaminating metal surfaces of a nuclear facility

#12
20210174981
2021-06-10

CLEANING COMPOSITION FOR DECONTAMINATING SURFACES, IN PARTICULAR RADIOACTIVE SURFACES, AND RELATIVE DECONTAMINATION

#13
20210158985
2021-05-27

Plant for electrochemical decontamination of metal radioactive waste

#14
20200051706
2020-02-13

Zinc dosing for decontaminating light-water reactors

#15
20200013519
2020-01-09

Chemical decontamination method

#16
20190217345
2019-07-18

Radiation hardened ultrasonic cleaning system

#17
20190156962
2019-05-23

ELECTROLYTIC TREATMENT FOR NUCLEAR DECONTAMINATION

#18
20190074099
2019-03-07

Method for treating waste water from the decontamination of a metal surface, waste-water treatment device and use of the waste-water treatment device

#19
20190027263
2019-01-24

Chemical decontamination method using chelate free chemical decontamination reagent for removal of the dense radioactive oxide layer on the metal surface

#20
20180277274
2018-09-27

METHOD FOR DECONTAMINATING NICKEL-BASED ALLOY

#21
20180237921
2018-08-23

Recontamination mitigation method by carbon steel passivation of nuclear systems and components

#22
20180102194
2018-04-12

Decontamination method reducing radioactive waste

#23
20180033506
2018-02-01

Method of decontaminating metal surfaces in a cooling system of a nuclear reactor

#24
20170345519
2017-11-30

Ambient temperature decontamination of nuclear power plant component surfaces containing radionuclides in a metal oxide

#25
20160201214
2016-07-14

Targeted heat exchanger deposit removal by combined dissolution and mechanical removal

#26
20160196889
2016-07-07

Method for reducing the radioactive contamination of the surface of a component used in a nuclear reactor

#27
20150364226
2015-12-17

METHOD FOR THE SURFACE DECONTAMINATION OF COMPONENT PARTS OF THE COOLANT CYCLE OF A NUCLEAR REACTOR

#28
20150117587
2015-04-30

Ambient temperature decontamination of nuclear power plant component surfaces containing radionuclides in a metal oxide

#29
20150114845
2015-04-30

Targeted heat exchanger deposit removal by combined dissolution and mechanical removal

#30
20150073198
2015-03-12

Method of chemical decontamination for carbon steel member of nuclear power plant

#31
20140378733
2014-12-25

Oxidation decontamination reagent for removal of the dense radioactive oxide layer on the metal surface and oxidation decontamination method using the same

#32
20140352717
2014-12-04

Method for dissolving an oxide layer

#33
20140338696
2014-11-20

Process for dissolving an oxide layer

#34
20140246050
2014-09-04

Device and method for cleaning surfaces

#35
20140205052
2014-07-24

Chelate Free Chemical Decontamination Reagent for Removal of the Dense Radioactive Oxide Layer on the Metal Surface and Chemical Decontamination Method Using the Same

#36
20140026924
2014-01-30

Methods of reusing a cleaning solution

#37
20130225899
2013-08-29

Method for the conditioning of waste coming from decommissioning of nuclear plants

#38
20130220366
2013-08-29

METHOD FOR SURFACE DECONTAMINATION

#39
20120138086
2012-06-07

METHOD FOR DECONTAMINATING SURFACES

#40
20120069949
2012-03-22

Method of and system for suppressing deposition of radioactive substance

#41
20110303238
2011-12-15

Process for chemically decontaminating radioactively contaminated surfaces of a nuclear plant cooling system using an organic acid followed by an anionic surfactant

#42
20110259759
2011-10-27

Method and device for decontaminating a metallic surface

#43
20110040137
2011-02-17

Automated mechanical cleaning method for radioactively contaminated metal

#44
20100168497
2010-07-01

Chemical decontamination apparatus and decontamination method therein

#45
20100116288
2010-05-13

Method for decontaminating surfaces of nuclear plants which have been contaminated with alpha emitters

#46
20090252275
2009-10-08

Chemical enhancement of ultrasonic fuel cleaning

#47
20090250083
2009-10-08

Method for the decontamination of an oxide layer-containing surface of a component or a system of a nuclear facility

#48
20090112042
2009-04-30

Decontamination method of metal surface contaminated by radioactive element

#49
20090060780
2009-03-05

Device and Method for the Treatment and/or Decontamination of Surfaces

#50
20080190450
2008-08-14

Method for the decontamination of an oxide layer-containing surface of a component or a system of a nuclear facility

#51
20080006606
2008-01-10

Method of dissolving the solids formed in a nuclear plant

#52
20060041176
2006-02-23

Method for treating a chemical decontamination solution

#53
20050126587
2005-06-16

Method of cleaning a steam generator of a pressurized water reactor

#54
17334006
2024-05-28

Integrated electrochemical nuclear decontamination system