ClassID:

120704

C23G1/085 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20230416871
2023-12-28

Method for Extracting and Recovering Gold from Aqueous Solution

#2
20230383390
2023-11-30

FERRITIC STAINLESS STEEL AND COMPONENT FOR EXHAUST GAS

#3
20230349051
2023-11-02

METHOD FOR DISSOLVING METAL OXIDES FROM LIFE SCIENCES EQUIPMENT

#4
20230295809
2023-09-21

Compositions And Methods for Pickling and Passivation of Stainless Steel Welds

#5
20230105051
2023-04-06

FERRITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME

#6
20230104538
2023-04-06

Procedure for Finishing Stainless Steel Parts

#7
20220177989
2022-06-09

METHOD FOR MANUFACTURING OF STAINLESS STEEL STRIPS

#8
20220154351
2022-05-19

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

#9
20220098692
2022-03-31

Grain-oriented electrical steel sheet and method for manufacturing same

#10
20210371775
2021-12-02

ACIDIC CLEANING COMPOSITIONS FOR ENHANCED SOIL REMOVAL

#11
20200362461
2020-11-19

Metallic material surface treatment agent, metallic material having surface treatment coating, and manufacturing method therefor

#12
20200199705
2020-06-25

Method for manufacturing high-strength galvanized steel sheet

#13
20190305328
2019-10-03

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

#14
20190301024
2019-10-03

Process for the rapid blackening of surgical needles

#15
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

#16
20180355492
2018-12-13

Cleaning compositions and methods for removing oxides from superalloy substrates

#17
20180320261
2018-11-08

Low temperature carburizing method and carburizing apparatus

#18
20180305784
2018-10-25

Grain-oriented electrical steel sheet and decarburized steel sheet used for manufacturing the same

#19
20180298503
2018-10-18

METHOD OF PRODUCING COLD ROLLED STEEL STRIP AND PRODUCTION SYSTEM FOR COLD ROLLED STEEL STRIP

#20
20180068684
2018-03-08

Disk drive suspension baseplate having enhanced torque retention and method of manufacture

#21
20170370004
2017-12-28

Process for the rapid blackening of surgical needles

#22
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

#23
20170226604
2017-08-10

Method for producing a retort for a nitriding furnace and retort

#24
20170191166
2017-07-06

METHOD FOR MANUFACTURING A PROCESS APPARATUS AND A PROCESS APPARATUS

#25
20170152580
2017-06-01

Method for manufacturing high-strength galvanized steel sheet

#26
20170028474
2017-02-02

Method for manufacturing micropore filter

#27
20150027600
2015-01-29

Si-containing high strength cold rolled steel sheet, method of producing the same, and automotive members

#28
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

#29
20140373980
2014-12-25

Ferrite-based stainless steel plate having excellent resistance against scale peeling, and method for manufacturing same

#30
20140370415
2014-12-18

Stainless separator for fuel cell and method of manufacturing the same

#31
20140295081
2014-10-02

Treatment of steel surfaces

#32
20140013814
2014-01-16

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

#33
20130313125
2013-11-28

Production method for R—Fe—B based sintered magnet having plating film on surface thereof

#34
20130149529
2013-06-13

METHOD OF PRODUCING COLD-ROLLED STEEL SHEET AS WELL AS COLD-ROLLED STEEL SHEET AND MEMBERS FOR AUTOMOBILE

#35
20130074871
2013-03-28

Stainless steel pickling in an oxidizing, electrolytic acid bath

#36
20130000681
2013-01-03

METHOD OF CLEANING BEER KEGS, BREWERY, WINERY AND DAIRY PROCESS EQUIPMENT

#37
20120172277
2012-07-05

Aqueous acid cleaning, corrosion and stain inhibiting compositions in the vapor phase comprising a blend of nitric and sulfuric acid

#38
20120172276
2012-07-05

Acid cleaning and corrosion inhibiting compositions comprising a blend of nitric and sulfuric acid

#39
20110257057
2011-10-20

CLEANING SOLUTION FOR STAINLESS STEEL AND CLEANING METHOD USING SAME

#40
20100279209
2010-11-04

Metal separator plate for a fuel cell having a coating layer comprising carbon particles dispersed in a binder resin, and a production method therefor

#41
20100129697
2010-05-27

Stainless steel separator for fuel cell and the manufacturing method thereof

#42
20100065167
2010-03-18

Annealing and pickling process

#43
20090269649
2009-10-29

Stainless separator for fuel cell and method of manufacturing the same

#44
20080121623
2008-05-29

Method of selectively stripping an engine-run ceramic coating

#45
20070138138
2007-06-21

Hot rolled steel sheet excellent in chemical convertibility and method of production of the same

#46
20070023943
2007-02-01

Stripping titanium-based wear coatings

#47
20060266287
2006-11-30

Method and system for passivating a processing chamber

#48
20060091182
2006-05-04

Repair of braze joint and article repaired