ClassID:

85975

C01G49/00 - CPC Classification

Classification description:

Compounds of iron

Sub-classes:
Recent Application in this class:
#1
20260070805
2026-03-12

POSITIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE SLURRY, POSITIVE ELECTRODE PLATE, LITHIUM ION BATTERY AND PREPARATION METHOD THEREOF

#2
20250388483
2025-12-25

POSITIVE-ELECTRODE ACTIVE MATERIAL, PREPARING METHOD THEREOF, AND BATTERY

#3
20250327018
2025-10-23

RARE EARTH METAL EXTRACTING BACTERIAL CONSORTIA

#4
20250256981
2025-08-14

AMORPHOUS CARBON-METAL IRON COMPOSITE AND PRODUCTION METHOD THEREFOR

#5
20250059061
2025-02-20

MINERALIZED IRON-CARBON COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

#6
20240166575
2024-05-23

METHOD FOR CONVERTING CARBON DIOXIDE INTO HIGH ADDED VALUE CHEMICAL COMPOUNDS THROUGH A MECHANOCHEMICAL PROCESS UNDER CONTINUOUS GAS FLOW CONDITIONS

#7
20240075446
2024-03-07

DEVICE FOR REMOVING IRON FROM NICKEL-COBALT-MANGANESE SULFURIC ACID SOLUTION AND METHOD FOR CONTINUOUSLY REMOVING IRON IONS FROM NICKEL-COBALT-MANGANESE SULFURIC ACID SOLUTION AT LOW TEMPERATURE

#8
20240021903
2024-01-18

METHOD FOR RECYCLING IRON PHOSPHATE WASTE AND USE THEREOF

#9
20230407436
2023-12-21

CONCERTED MINERAL CARBONATION AND SELECTIVE LEACHING OF LATERITES

#10
20230257278
2023-08-17

METHODS OF RECOVERING RARE EARTH METALS

#11
20230212026
2023-07-06

METHODS FOR PRODUCING AND USING ALKALINE AQUEOUS FERRIC IRON CARBONATE SOLUTIONS

#12
20230141275
2023-05-11

Moisture governed growth method of atomic layer ribbons and nanoribbons of transition metal dichalcogenides

#13
20220275526
2022-09-01

POLYPROPYLENE OR POLYETHYLENE BASED SEPARATOR FOR USE IN ELECTROCHEMICAL CELLS FOR PRODUCING ALKALI METAL FERRATES

#14
20220270794
2022-08-25

POLYCRYSTALLINE BULK BODY AND METHOD FOR PRODUCING SAME

#15
20220223860
2022-07-14

Iron oxyhydroxynitrate having phosphoric acid anion-adsorbed surface, preparation method therefor, cathode comprising iron oxyhydroxynitrate having phosphoric acid anion-adsorbed surface for lithium secondary battery, and lithium secondary battery comprising same

#16
20220157498
2022-05-19

Ferrite sintered magnet, ferrite particles, bonded magnet, and rotating electrical machine

#17
20220041449
2022-02-10

Pure iron containing compound

#18
20210253444
2021-08-19

Anionic ferric iron complexes in alkaline aqueous solutions

#19
20210238067
2021-08-05

Methods for removing anions from water

#20
20210175501
2021-06-10

Method for preparing iron nitrate oxyhydroxide, cathode containing iron nitrate oxyhydroxide prepared thereby for lithium secondary battery, and lithium secondary battery comprising same

#21
20210113959
2021-04-22

Methods for producing and using alkaline aqueous ferric iron solutions

#22
20200378960
2020-12-03

Bio-electrode, chronoamperometry device, immunoassay device and method using the same

#23
20200325037
2020-10-15

Ferrous modified selenium sol for inhibiting accumulation of cadmium and arsenic in rice and preparation method and application thereof

#24
20200227833
2020-07-16

Electromagnetic wave absorbing composition, and electromagnetic wave absorption body

#25
20190300379
2019-10-03

Ferrite particles, resin compositions and electromagnetic wave shielding material

#26
20190237254
2019-08-01

Dielectric ceramic composition and multilayer ceramic capacitor

#27
20190228889
2019-07-25

Epsilon-type iron oxide magnetic particles and method for producing the same, magnetic powder, magnetic coating material and magnetic recording medium containing magnetic particles

#28
20190225000
2019-07-25

Carbide, nitride and silicide enhancers for laser absorption

#29
20190217282
2019-07-18

Mixture of visible light-responsive photocatalytic titanium oxide fine particles, dispersion liquid thereof, method for producing dispersion liquid, photocatalyst thin film, and member having photocatalyst thin film on surface

#30
20190161362
2019-05-30

Ferrite particles, resin composition and resin film

#31
20190135653
2019-05-09

Ferrite powder, resin composition, and molded article

#32
20190119780
2019-04-25

Process for recovering components from pickling acid residue

#33
20190096554
2019-03-28

MnZn ferrite core and its production method

#34
20190067692
2019-02-28

Positive electrode active material for potassium ion secondary cell

#35
20190066892
2019-02-28

Ferrite material, composite magnetic body, coil component, and power supply device

#36
20190062217
2019-02-28

MnZn ferrite and its production method

#37
20190031509
2019-01-31

Precise modifying method for fine particle dispersion liquid

#38
20190031508
2019-01-31

Precise modifying method for fine particle dispersion liquid

#39
20180370794
2018-12-27

Member for hydrogen production and hydrogen production apparatus

#40
20180358617
2018-12-13

Electrode material for battery and method for manufacturing same

#41
20180346653
2018-12-06

Aqueous compositions for hair treatment comprising polyorganosiloxanes with polyhydroxyaromatic moieties

#42
20180327659
2018-11-15

Light emitting shell in multi-compartment microcapsules

#43
20180208479
2018-07-26

Method for producing iron-based oxide magnetic particle powder

#44
20180194796
2018-07-12

TRACEABLE NUCLEIC ACID MARKED FERTILIZER

#45
20180022617
2018-01-25

Recovery of valuable resources from produced water and coal combustion products

#46
20180011414
2018-01-11

Ferrite particle having outer shell structure

#47
20180008921
2018-01-11

Ferrite particles having outer shell structure used for filtering medium

#48
20180006298
2018-01-04

Lithium-iron-phosphorus-sulfur-carbon composite and method for producing same

#49
20180002781
2018-01-04

Method of leaching copper from copper sulfide ore and method of evaluating iodine loss content of column leaching test of the copper sulfide ore

#50
20170313595
2017-11-02

Vanadium oxide film and process for producing same

#51
20170197842
2017-07-13

Using method of waste silicon slurry and products obtained therefrom

#52
20170158524
2017-06-08

Nanoplatelet metal oxides

#53
20160260965
2016-09-08

Cathode materials for lithium ion batteries

#54
20160194208
2016-07-07

Methods and systems using electrochemical cells for processing metal sulfate compounds from mine waste and sequestering CO

#55
20160141611
2016-05-19

Use of novel compounds as negative electrode active material in a sodium-ion battery

#56
20150376071
2015-12-31

Nanoheterostructure and method for producing the same

#57
20150353430
2015-12-10

Ceramic composition

#58
20150213927
2015-07-30

Iron-silicon oxide particles having an improved heating rate

#59
20150152784
2015-06-04

Method and system for sequestering carbon dioxide and producing hydrogen gas

#60
20150152238
2015-06-04

Black pigment, and glaze and paint containing same

#61
20150082943
2015-03-26

Process for preparing a ferric nitrate reagent from copper raffinate solution and use of such reagent in the leaching and/or curing of copper substances

#62
20140377422
2014-12-25

Method for removal of metal ions from rice hull

#63
20140349116
2014-11-27

Nanoplatelet metal oxides

#64
20140301940
2014-10-09

Cation deficient materials for electrical energy storage

#65
20140291573
2014-10-02

Method for producing iron oxyfluoride positive electrode active substance and iron oxyflouride positive electrode active substance

#66
20140284526
2014-09-25

Method for forming metal fluoride material

#67
20140001412
2014-01-02

Carbon-FeF2 and carbon-Fe203 nanocomposites, their preparation and use as electrochemical storage material

#68
20130303658
2013-11-14

Iron-silicon oxide particles having an improved heating rate in an alternating magnetic and electromagnetic field

#69
20130230443
2013-09-05

Solid ammonia storage and delivery material

#70
20130221269
2013-08-29

Positive electrode active material for secondary battery and secondary battery using the same

#71
20130109600
2013-05-02

Structured catalytic nanoparticles and method of preparation

#72
20130037740
2013-02-14

NANOHETEROSTRUCTURE AND METHOD FOR PRODUCING THE SAME

#73
20120313269
2012-12-13

Shrouded-Plasma Process and Apparatus for the Production of Metastable Nanostructured Materials

#74
20120264018
2012-10-18

COMPOSITE POSITIVE ELECTRODE MATERIAL WITH CORE-SHELL STRUCTURE FOR LITHIUM ION BATTERIES AND PREPARING METHOD THEREOF

#75
20120219859
2012-08-30

Electrode materials for magnesium batteries

#76
20120219856
2012-08-30

ELECTRODE MATERIALS FOR MAGNESIUM BATTERIES

#77
20120164537
2012-06-28

POSITIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND MAGNESIUM SECONDARY BATTERY USING THE SAME

#78
20120145944
2012-06-14

MAGNETIC MATERIAL AND MOTOR OBTAINED USING SAME

#79
20120136164
2012-05-31

NANOSTRUCTURED METALS

#80
20120132868
2012-05-31

Process for preparing precursors for transition metal mixed oxides

#81
20120115715
2012-05-10

METHOD FOR PRODUCING A SUPPORTED METAL NITRATE

#82
20120100064
2012-04-26

Process for production of magnetic thin film, magnetic thin film, and magnetic material

#83
20110297899
2011-12-08

Infrared shielding nanoparticle, its manufacturing method, infrared shielding nanoparticle dispersion using the same, and infrared shielding base material

#84
20110280788
2011-11-17

Method of Processing Carbon Dioxide Gas

#85
20110207869
2011-08-25

Iron-silicon oxide particles with a core-shell structure

#86
20110207610
2011-08-25

Iron-based superconducting substance

#87
20110206600
2011-08-25

Preparation of lithium sulfide

#88
20110200882
2011-08-18

LITHIUM CONTAINING TRANSITION METAL SULFIDE COMPOUNDS

#89
20110200878
2011-08-18

LITHIUM CONTAINING TRANSITION METAL SULFIDE COMPOUNDS

#90
20110198532
2011-08-18

LITHIUM-CONTAINING TRANSITION METAL SULFIDE COMPOUNDS

#91
20110143192
2011-06-16

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY AND LITHIUM ION SECONDARY BATTERY USING THE SAME

#92
20110143139
2011-06-16

Nanoplatelet metal hydroxides and methods of preparing same

#93
20110089109
2011-04-21

Method for treatment of sludge

#94
20110065001
2011-03-17

Iron oxyfluoride electrodes for electrochemical energy storage

#95
20110052481
2011-03-03

METHOD OF TREATING METALLIFERROUS MATERIALS

#96
20110037031
2011-02-17

Cation deficient materials for electrical energy storage

#97
20110037030
2011-02-17

Nanoparticulate composition and method for its production

#98
20110027167
2011-02-03

Iron arsenate powder

#99
20110008237
2011-01-13

Method for manufacturing iron silicide nano-wires

#100
20110006247
2011-01-13

HYDROPHOBIZED SILICON-IRON MIXED OXIDE

#101
20110002826
2011-01-06

Use of redox mass having a spinel type structure for a looping redox process

#102
20100258479
2010-10-14

THERMAL DISSOLUTION CATALYSIS METHOD FOR PREPARING LIQUID FUEL FROM LIGNITE AND THE CATALYST AND THE SOLVENT SUITABLE FOR THE METHOD

#103
20100254908
2010-10-07

Process for production of surface-coated inorganic particles

#104
20100167057
2010-07-01

MAGNETIC NANOPARTICLES, MAGNETIC AND FLUORESCENT NANOCOMPOSITE, AND FORMATION OF MAGHEMITE BY OXIDIZING IRON STEARATE WITH METHYLMORPHOLINE N-OXIDE

#105
20100140568
2010-06-10

THERMOELECTRIC CONVERSION MATERIAL, METHOD FOR PRODUCING THE SAME, AND THERMOELECTRIC CONVERSION DEVICE

#106
20100140533
2010-06-10

Composition for manufacturing heat ray-shielding polyvinyl chloride film and manufacturing method of the same, and heat ray-shielding polyvinyl chloride film

#107
20100068512
2010-03-18

MAGNETIC MATERIAL FOR HIGH FREQUENCY WAVE, AND METHOD FOR PRODUCTION THEREOF

#108
20100056363
2010-03-04

Chemical processing of nanoparticles

#109
20100035750
2010-02-11

Carbon-coated metal oxide nano-particles and method of preparing the same

#110
20100028674
2010-02-04

Nanofibers And Methods For Making The Same

#111
20090291307
2009-11-26

IRON ARSENATE POWDER

#112
20090280047
2009-11-12

Solid ammonia storage and delivery material

#113
20090267016
2009-10-29

Piezoelectric ceramic composition and piezoelectric ceramic

#114
20090220431
2009-09-03

MAGNETIC RESONANCE IMAGING CONTRAST AGENTS CONTAINING WATER-SOLUBLE NANOPARTICLES OF MANGANESE OXIDE OR MANGANESE METAL OXIDE

#115
20090118124
2009-05-07

NOVEL AQUEOUS COMPOSITION AND USE OF THE SAME

#116
20090104107
2009-04-23

Methods of making and washing scorodite

#117
20090085005
2009-04-02

Method for scrubbing amine-type extractant

#118
20090078584
2009-03-26

Process for producing scorodite and recycling the post-scorodite-synthesis solution

#119
20080233023
2008-09-25

Method for manufacturing scorodite

#120
20080219911
2008-09-11

Process of precipitation for spheric manganese carbonate and the products produced thereby

#121
20080203363
2008-08-28

Method for producing positive electrode active material of non-aqueous electrolyte secondary cell

#122
20080171897
2008-07-17

Process for preparing a multielement oxide composition comprising the element iron in oxidic form

#123
20080170978
2008-07-17

Clean method for preparing layered double hydroxides

#124
20080115549
2008-05-22

NOVEL AQUEOUS COMPOSITION AND USE OF THE SAME

#125
20080091054
2008-04-17

Method of synthesizing air-stable zero-valent iron nanoparticles at room temperature and applications

#126
20080075645
2008-03-27

Process for complete utilisation of olivine constituents

#127
20080069748
2008-03-20

MULTIVALENT IRON ION SEPARATION IN METAL RECOVERY CIRCUITS

#128
20070253877
2007-11-01

Method for treating arsenic containing solution

#129
20070215009
2007-09-20

Metal oxide nanoporous material, coating composition to obtain the same, and methods of manufacturing them

#130
20070131894
2007-06-14

Sic-hexagonal ferrite type ceramic composite electromagnetic wave absorber

#131
20070117718
2007-05-24

Particles for catalyst and method for producing same

#132
20070090330
2007-04-26

NOVEL AQUEOUS COMPOSITION AND USE OF THE SAME

#133
20070044513
2007-03-01

Shrouded-plasma process and apparatus for the production of metastable nanostructured materials

#134
20060185685
2006-08-24

Nanoscale particles of iron aluminide and iron aluminum carbide by the reduction of iron salts

#135
20060182997
2006-08-17

Noble metal-magnetic metal oxide composite particle and method for producing same

#136
20060163172
2006-07-27

Process for purifying contaminated soil or groundwater with iron particles

#137
20060147369
2006-07-06

Nanoparticle production and corresponding structures

#138
20060014261
2006-01-19

Fermentative process for making inorganic nanoparticles

#139
20050263034
2005-12-01

Novel aqueous composition and use of the same

#140
20050181277
2005-08-18

Positive electrode for nonaqueous electrolytic secondary battery and method of manufacturing the same as well as nonaqueous electrolytic secondary battery and method of manufacturing the same

#141
20050106098
2005-05-19

Microparticles and methods for their production

#142
20050069705
2005-03-31

Iron oxide particles and method for production thereof

#143
20050062576
2005-03-24

Ferrite material, ferrite sintered body, and inductor

#144
20050053538
2005-03-10

Method of producing nanosized oxide powders

#145
20050005816
2005-01-13

Novel aqueous composition and use of the same

#146
17732964
2023-09-19

Inorganic precursors for ionic conductors

#147
12632717
2016-06-07

Robust high temperature sulfur sorbents and methods of making the same