ClassID:

24846

A62D2101/43 - CPC Classification

Classification description:

Harmful chemical substances made harmless, or less harmful, by effecting chemical change; Inorganic substances containing heavy metals, in the bonded or free state

Recent Application in this class:
#1
20260061243
2026-03-05

HALOGEN DECONTAMINATION FROM METAL-CONTAINING MATERIALS USING CHEMICAL MODIFICATION

#2
20250375647
2025-12-11

MAKING ELEMENTAL MERCURY AMENABLE TO UNDERGROUND INJECTION

#3
20250121241
2025-04-17

MERCURY TREATMENT AND ENCAPSULATION PROCESS

#4
20240286937
2024-08-29

HEAVY METAL TREATMENT AGENT, AND METHOD FOR TREATING INCINERATED ASH AND WASTEWATER USING SAME

#5
20230218940
2023-07-13

METHOD FOR TREATING SOLID HAZARDOUS HEAVY METAL-CONTAINING COMPOSITIONS

#6
20230101178
2023-03-30

PLANT AND METHOD FOR TREATING SOLID MATERIAL

#7
20220348463
2022-11-03

Method and reagent system for remediating mine waste and other solid waste contaminated with heavy metals

#8
20220176181
2022-06-09

Timber remediation

#9
20210370121
2021-12-02

METHOD AND REAGENT SYSTEM FOR REMEDIATING MINE WASTE AND OTHER SOLID WASTE CONTAMINATED WITH HEAVY METALS

#10
20210107950
2021-04-15

Astexin peptides

#11
20200282251
2020-09-10

Reagent system for remediating mine waste and other solid waste contaminated with heavy metals

#12
20190336806
2019-11-07

Method for immobilizing a mercury-containing waste

#13
20190282999
2019-09-19

Metal adsorbent material and uses thereof

#14
20190255372
2019-08-22

METHODS AND SYSTEMS FOR REMEDIATION OF HEAVY METALS IN COMBUSTION WASTE

#15
20190040107
2019-02-07

Astexin peptides

#16
20190024197
2019-01-24

Hexavalent chromium treatment agent and leather or leather article produced using the same

#17
20190015812
2019-01-17

Insolubilizing agent for specific toxic substances, method for insolubilizing specific toxic substances using same, and soil improving method

#18
20180185685
2018-07-05

Method for stabilizing metallic mercury

#19
20180078805
2018-03-22

Use of lead smelting slags for the stabilization of metal ions from solid or liquid media

#20
20180037973
2018-02-08

Method for the treatment of metallic particles and objects contaminated with metallic particles

#21
20180036568
2018-02-08

Method for the treatment of an object contaminated with metallic particles

#22
20180036567
2018-02-08

Method for the treatment of an object contaminated with metallic particles

#23
20170233835
2017-08-17

Leather or leather article and method for producing same, hexavalent chromium treatment agent, method for treating hexavalent chromium in crude leather or crude leather article

#24
20170014877
2017-01-19

Portable wet drilling waste treatment

#25
20160229721
2016-08-11

Method for the treatment of metals

#26
20150361525
2015-12-17

Method of mercury decontamination

#27
20150284278
2015-10-08

Treatment of alkaline bauxite residue

#28
20150258552
2015-09-17

Methods of and systems for treating incinerated waste

#29
20150225463
2015-08-13

Astexin peptides

#30
20150004674
2015-01-01

METHOD FOR REMOVING RADIONUCLIDES USING MICROALGAE

#31
20140051902
2014-02-20

Process for eliminating or reducing persistent organic pollutants contained in particles

#32
20140024651
2014-01-23

UNIVERSAL SURFACE DECONTAMINATION FORMULATION

#33
20140023555
2014-01-23

Formulations and methods to reduce hexavalent chrome contamination

#34
20130317274
2013-11-28

Removal of elements from coal fly ash

#35
20130281538
2013-10-24

Method and formulation for neutralizing toxic chemicals and materials

#36
20130098269
2013-04-25

Method for treatment of hazardous paint residue

#37
20130060076
2013-03-07

METHOD TO REDUCE PCB CONTENT AND/OR LEAD TCLP SOLUBILITY

#38
20120322918
2012-12-20

Method for stabilising liquid mercury using sulfur polymer cement, via mercury sulfide

#39
20120292257
2012-11-22

APPARATUS AND METHOD FOR COLLECTING AND TREATING WASTE

#40
20120253094
2012-10-04

STABILIZING HAZARDOUS WASTES USING WASTE BYPRODUCTS

#41
20120220810
2012-08-30

Method for optimal paint residue stabilization

#42
20120215048
2012-08-23

Metals solubility reduction optimization method

#43
20120107200
2012-05-03

Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste

#44
20110223072
2011-09-15

Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste

#45
20110178319
2011-07-21

Method for making harmful compound harmless and method for producing organic semiconductor element compound

#46
20110171723
2011-07-14

Method for biogeochemical stabilization of chromate-impacted solids

#47
20110136199
2011-06-09

Bacteria that reduce content of heavy metals in plant

#48
20110049057
2011-03-03

Metal Immobilization Using Slag Fines

#49
20100324273
2010-12-23

COMPOUNDS, COMPLEXES AND USES THEREOF

#50
20100305386
2010-12-02

Method of detoxifying a harmful compound

#51
20100286424
2010-11-11

METHOD OF DETOXIFYING A HARMFUL COMPOUND

#52
20100284874
2010-11-11

Method for treating fly ash

#53
20100222625
2010-09-02

Method for stabilizing heavy metals

#54
20100217062
2010-08-26

Composition and method for stabilizing environmentally-harmful substances; use of non-ferrous metal salts and oxides to stabilize environmentally-harmful substances with caustic magnesium oxide

#55
20100145130
2010-06-10

Treatment Method for Stabilizing Selenium in Coal Combustion Ash

#56
20100086479
2010-04-08

Method for removal of heavy metals

#57
20100006506
2010-01-14

Process for treating substances contaminated by heavy metals

#58
20090326313
2009-12-31

Composition for alkylation and method for detoxifying a harmful compound by using the composition

#59
20090326312
2009-12-31

METHOD FOR VITRIFICATION OF FISSION PRODUCTS

#60
20090270671
2009-10-29

Calcium-sodium polysulfide chemical reagent and production methods

#61
20090216060
2009-08-27

Decontaminant

#62
20090209801
2009-08-20

Inorganic electrolyte setting agent capable of rendering heavy metal ion nonhazardous and method of treatment for utilization as resource therewith

#63
20090209800
2009-08-20

Method for stabilization of heavy metals and odor control with dicalcium phosphate dihydrate powder

#64
20090202424
2009-08-13

Calcium-sodium polysulfide chemical reagent and production methods

#65
20090187060
2009-07-23

Method and Formulation for Neutralizing Toxic Chemicals and Materials

#66
20090177025
2009-07-09

Mercury contamination extraction

#67
20090163760
2009-06-25

Method of Reducing Cadmium and Lead in Hazardous Waste From a Foundry or Steel Mill Using Micronized Particulate Reactive Magnesium Oxide or Magnesium Hydroxide Having High Surface Area

#68
20090130764
2009-05-21

METHODS OF TREATING METAL CONTAINING HAZARDOUS WASTE USING CORN ASH CONTAINING ORTHOPHOSPHATES

#69
20090118564
2009-05-07

Method for stabilization and/or fixation of leachable metals

#70
20090093667
2009-04-09

Method for lead bearing material surface molecular stabilization

#71
20090029447
2009-01-29

Process for removing mercury from air or water

#72
20080293559
2008-11-27

Process and plant for converting hazardous waste containing chromium VI into non-hazardous waste

#73
20080234529
2008-09-25

Treatment of Elemental Mercury

#74
20080207980
2008-08-28

Method for optimal stabilization of incinerator ash

#75
20080125616
2008-05-29

Method for stabilization of Pb and Cd from incinerator ash

#76
20080108495
2008-05-08

Method for waste stabilisation and products obtained therefrom

#77
20080103348
2008-05-01

Processes for treatment of solid wastes containing heavy metals

#78
20080097138
2008-04-24

Mercury contamination extraction

#79
20080086022
2008-04-10

Method for complex stabilization of Pb and As bearing waste and soils

#80
20070287877
2007-12-13

Method for synthesis of reversion resistant chromium bearing wastes and materials

#81
20070225541
2007-09-27

Method for stabilization of heavy metals in incinerator bottom ash and odor control with dicalcium phosphate dihydrate powder

#82
20070224097
2007-09-27

Methods of treatment of chromite ore processing residue

#83
20070219403
2007-09-20

Method for direct solidification and stabilization of liquid hazardous wastes containing up to 100,000 mg/L of arsenic

#84
20070219085
2007-09-20

Process for the reduction of activated chromium oxide catalyst

#85
20070088188
2007-04-19

Method of treatment, stabilization and heave control for chromite ore processing residues (COPR) and chromium contaminated soils

#86
20060217585
2006-09-28

Method for stabilization of arsenic bearing waste or material

#87
20060198773
2006-09-07

Method for Suppressing the Leachability of Certain Metals

#88
20060189837
2006-08-24

Method for heavy metal stabilization and cementious agglomeration of flyash and scrubber residues

#89
20060183958
2006-08-17

Process for the treatment of waste metal chlorides

#90
20060183957
2006-08-17

Method for heavy metals stabilization and agglomeration of flyash and scrubber residues

#91
20060094921
2006-05-04

Method for chemically stabilizing waste materials containing multivalent oxyanions

#92
20060094920
2006-05-04

Calcium-sodium polysulfide chemical reagent and production methods

#93
20060047177
2006-03-02

Method for in-line stabilization of paint residue

#94
20060036124
2006-02-16

Method for stabilization of slag, matte and bottom ash

#95
20060009671
2006-01-12

In-container mineralization

#96
20050245783
2005-11-03

Method for stabilization of chromium

#97
20050220686
2005-10-06

Remediation of heavy metals in ammunition traps and shooting ranges

#98
20050096495
2005-05-05

In-container mineralization

#99
20050049449
2005-03-03

Method for chemiophysical stabilization of waste

#100
15155651
2017-05-16

Bimetal oxysulfide solid-solution catalyst and manufacturing method thereof, method for carbon dioxide reduction, method for heavy metal reduction, and method for hydrogenation of organic compounds