ClassID:

120702

C23G1/081 - CPC Classification

Classification description:

Cleaning or pickling metallic material with solutions or molten salts with acid solutions; Iron or steel solutions containing HSO

Recent Application in this class:
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ANTIMICROBIAL SURFACE TREATMENT SYSTEMS AND METHODS FOR AIRCRAFT FAUCETS

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FUEL CELL SEPARATOR MANUFACTURING METHOD

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STEEL SHEET WITH EXCELLENT PHOSPHATABILITY AND MANUFACTURING METHOD THEREFOR

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METHOD FOR DISSOLVING METAL OXIDES FROM LIFE SCIENCES EQUIPMENT

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20230104538
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Procedure for Finishing Stainless Steel Parts

#6
20230076254
2023-03-09

AUSTENITIC STAINLESS STEEL

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20230063410
2023-03-02

Hot-rolled steel sheet for non-oriented electrical steel sheet, non-oriented electrical steel sheet, and method for manufacturing same

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20220275471
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High-strength thin steel sheet and method for manufacturing same

#9
20220194589
2022-06-23

Antimicrobial coating surface treatment systems and methods for aircraft faucets

#10
20220194588
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Antimicrobial surface treatment systems and methods for aircraft faucets

#11
20220177989
2022-06-09

METHOD FOR MANUFACTURING OF STAINLESS STEEL STRIPS

#12
20220154351
2022-05-19

Acid solution preparation device, acid solution supply apparatus, and pickling facility

#13
20220098692
2022-03-31

Grain-oriented electrical steel sheet and method for manufacturing same

#14
20220090242
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Grain oriented electrical steel sheet, forming method for insulation coating of grain oriented electrical steel sheet, and producing method for grain oriented electrical steel sheet

#15
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Stainless steel sheet and method of manufacturing the same, separator for solid polymer fuel cell, solid polymer fuel cell, and solid polymer fuel cell battery

#16
20200270754
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Method for pickling steel sheets

#17
20200199705
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Method for manufacturing high-strength galvanized steel sheet

#18
20200071784
2020-03-05

High-strength cold-rolled steel sheet

#19
20190305328
2019-10-03

Stainless steel sheet for fuel cell separators, and production method therefor

#20
20190301024
2019-10-03

Process for the rapid blackening of surgical needles

#21
20190119820
2019-04-25

Acid-pickling additive for surface oxide scale of stainless steel material, preparation method thereof, and acid-pickling method

#22
20190112717
2019-04-18

Composition for reducing the removal of material by pickling in the pickling of metal surfaces that contain galvanized and/or ungalvanized steel

#23
20190085469
2019-03-21

Method of cleaning pretreatment of ferrous components that have been joined by welding

#24
20190013525
2019-01-10

Stainless steel for polymer fuel cell separation plate having improved hydrophilicity and contact resistance and method for manufacturing same

#25
20180258541
2018-09-13

Pickling device

#26
20180202052
2018-07-19

Scale conditioning process for advanced high strength carbon steel alloys

#27
20180102194
2018-04-12

Decontamination method reducing radioactive waste

#28
20170370004
2017-12-28

Process for the rapid blackening of surgical needles

#29
20170306507
2017-10-26

COLD-ROLLED STEEL SHEET, METHOD OF MANUFACTURING COLD-ROLLED STEEL SHEET, AUTOMOBILE MEMBER AND FACILITY FOR MANUFACTURING COLD-ROLLED STEEL SHEET

#30
20170306434
2017-10-26

HIGH-CARBON STEEL SHEET AND METHOD OF MANUFACTURING THE SAME

#31
20170204521
2017-07-20

Coated steel sheet, method for producing the same, and resin-coated steel sheet obtained using the same

#32
20170152603
2017-06-01

Method for surface treatment of metals using bacteria

#33
20170152580
2017-06-01

Method for manufacturing high-strength galvanized steel sheet

#34
20160160361
2016-06-09

Inhibiting Toxicity of Acid Systems Used for Treating Metals

#35
20160160329
2016-06-09

Stainless steel for polymer fuel cell separator and method for preparing same

#36
20160130701
2016-05-12

Gold plate coated stainless material and method of producing gold plate coated stainless material

#37
20150118518
2015-04-30

Steel sheet for electroplating, electroplated steel sheet, and methods for producing the same

#38
20140013814
2014-01-16

Method and apparatus for manufacturing Si-containing cold rolled steel sheets

#39
20130074871
2013-03-28

Stainless steel pickling in an oxidizing, electrolytic acid bath

#40
20130048157
2013-02-28

Method for manufacturing high-Si cold rolled steel sheet having excellent chemical conversion properties

#41
20120325376
2012-12-27

High-strength cold-rolled steel sheet and method for producing the same

#42
20110294042
2011-12-01

Stainless steel for polymer fuel cell separator and method for preparing same

#43
20110232679
2011-09-29

Use of thioglycol ethoxylate as a corrosion inhibitor

#44
20110056516
2011-03-10

PROCESS FOR SURFACE TREATMENT OF METALS

#45
20110049428
2011-03-03

Aqueous treatment composition for inhibiting corrosion and acid attack on metallic surfaces

#46
20100132842
2010-06-03

Method for improving surface properties of the stainless steels for bipolar plate of polymer electrolyte membrane fuel cell

#47
20090148335
2009-06-11

PROCESS FOR SURFACE TREATMENT OF METALS

#48
20080202554
2008-08-28

PROCESS FOR SURFACE TREATMENT OF METALS

#49
20070148355
2007-06-28

Apparatus and methods for deoxidizing metal surfaces

#50
20050267004
2005-12-01

Composition and method for surface treatment of oxidized metal

#51
20050037935
2005-02-17

Composition and method for surface treatment of oxidized metal

#52
13783519
2014-07-29

Bio-based corrosion inhibitors