EP3819404A4 - Trivalent chromium plating solution and chromium plating method using same - Google Patents

Trivalent chromium plating solution and chromium plating method using same Download PDF

Info

Publication number
EP3819404A4
EP3819404A4 EP19830121.0A EP19830121A EP3819404A4 EP 3819404 A4 EP3819404 A4 EP 3819404A4 EP 19830121 A EP19830121 A EP 19830121A EP 3819404 A4 EP3819404 A4 EP 3819404A4
Authority
EP
European Patent Office
Prior art keywords
chromium plating
same
plating solution
plating method
trivalent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19830121.0A
Other languages
German (de)
French (fr)
Other versions
EP3819404A1 (en
Inventor
Madoka NAKAGAMI
Masao Hori
Yuto Morikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JCU Corp
Original Assignee
JCU Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JCU Corp filed Critical JCU Corp
Publication of EP3819404A1 publication Critical patent/EP3819404A1/en
Publication of EP3819404A4 publication Critical patent/EP3819404A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/10—Electroplating: Baths therefor from solutions of chromium characterised by the organic bath constituents used
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/04—Electroplating: Baths therefor from solutions of chromium
    • C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
EP19830121.0A 2018-07-03 2019-07-02 Trivalent chromium plating solution and chromium plating method using same Pending EP3819404A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018126508 2018-07-03
PCT/JP2019/026246 WO2020009096A1 (en) 2018-07-03 2019-07-02 Trivalent chromium plating solution and chromium plating method using same

Publications (2)

Publication Number Publication Date
EP3819404A1 EP3819404A1 (en) 2021-05-12
EP3819404A4 true EP3819404A4 (en) 2022-02-09

Family

ID=69060417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830121.0A Pending EP3819404A4 (en) 2018-07-03 2019-07-02 Trivalent chromium plating solution and chromium plating method using same

Country Status (5)

Country Link
US (1) US20210317589A1 (en)
EP (1) EP3819404A4 (en)
JP (1) JP7349427B2 (en)
CN (1) CN112368421A (en)
WO (1) WO2020009096A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3155524C (en) * 2019-10-31 2024-02-27 Diego DAL ZILIO Sulfate based, ammonium free trivalent chromium decorative plating process
JP2023018744A (en) * 2021-07-28 2023-02-09 株式会社Jcu White trivalent chromium plating bath and white trivalent chromium plating method for object to be plated using the same
WO2023095774A1 (en) * 2021-11-29 2023-06-01 株式会社Jcu Chromium-plated component and method for manufacturing same
JP7330349B1 (en) 2022-11-11 2023-08-21 株式会社Jcu Chrome-plated parts and manufacturing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030178314A1 (en) * 2002-03-21 2003-09-25 United States Steel Corporation Stainless steel electrolytic coating
JP2009074170A (en) * 2007-08-30 2009-04-09 Nissan Motor Co Ltd Chrome-plated part and manufacturing method of the same
CN103014784A (en) * 2012-12-13 2013-04-03 合肥华清方兴表面技术有限公司 Constant-temperature environment-friendly trivalent chromium electroplating liquid and electroplating method thereof
CN105671599A (en) * 2016-04-11 2016-06-15 济南德锡科技有限公司 Sulfate trivalent chromium electroplating solution and preparation method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092226A (en) * 1974-12-11 1978-05-30 Nikolaus Laing Process for the treatment of metal surfaces by electro-deposition of metal coatings at high current densities
US4472249A (en) * 1981-08-24 1984-09-18 M&T Chemicals Inc. Bright chromium plating baths and process
JPH01100291A (en) * 1987-10-12 1989-04-18 Japan Carlit Co Ltd:The Chromium plating method
US9765437B2 (en) * 2009-03-24 2017-09-19 Roderick D. Herdman Chromium alloy coating with enhanced resistance to corrosion in calcium chloride environments
CN101967662A (en) 2010-10-26 2011-02-09 广东多正化工科技有限公司 Trivalent chromium electroplate liquid capable of forming black clad layer
BR112015016551B1 (en) * 2013-01-10 2021-08-31 Coventya , Inc APPARATUS FOR MAINTENANCE OF BATH EFFICIENCY OF TRIVALENT CHROMIUM PLATING AND METHOD FOR MAINTENANCE OF BATH EFFICIENCY OF TRIVALENT CHROME PLATING
EP2801640A1 (en) * 2013-05-08 2014-11-12 ATOTECH Deutschland GmbH Galvanic nickel or nickel alloy electroplating bath for depositing a semi-bright nickel or nickel alloy
JP2015221944A (en) * 2015-08-07 2015-12-10 日産自動車株式会社 Chromium-plated part and production method thereof
CN107254693A (en) 2017-06-28 2017-10-17 合肥博之泰电子科技有限公司 A kind of chromium electro-plating method of ornamental strip

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030178314A1 (en) * 2002-03-21 2003-09-25 United States Steel Corporation Stainless steel electrolytic coating
JP2009074170A (en) * 2007-08-30 2009-04-09 Nissan Motor Co Ltd Chrome-plated part and manufacturing method of the same
CN103014784A (en) * 2012-12-13 2013-04-03 合肥华清方兴表面技术有限公司 Constant-temperature environment-friendly trivalent chromium electroplating liquid and electroplating method thereof
CN105671599A (en) * 2016-04-11 2016-06-15 济南德锡科技有限公司 Sulfate trivalent chromium electroplating solution and preparation method thereof

Also Published As

Publication number Publication date
CN112368421A (en) 2021-02-12
EP3819404A1 (en) 2021-05-12
JPWO2020009096A1 (en) 2021-07-08
WO2020009096A1 (en) 2020-01-09
JP7349427B2 (en) 2023-09-22
US20210317589A1 (en) 2021-10-14

Similar Documents

Publication Publication Date Title
EP3575433A4 (en) Plated steel
EP3575434A4 (en) Plated steel
EP3819404A4 (en) Trivalent chromium plating solution and chromium plating method using same
EP3725920A4 (en) Trivalent chromium plating solution and method for chromium-plating using same
PL3097222T3 (en) Electroplating bath containing trivalent chromium and process for depositing chromium
EP3569725A4 (en) Duplex stainless steel and method for producing same
EP3766984A4 (en) Determination method`
EP3577172A4 (en) Dyed trivalent chromium conversion coatings and methods of using same
EP3495530A4 (en) Steel sheet and plated steel sheet
IL279552A (en) Hemostatic complex and preparation method therefor
EP3834694A4 (en) Dishwasher and method for operating same
EP3804582A4 (en) Cooking apparatus
EP3794163A4 (en) Near neutral ph pickle on multi-metals
EP3838890A4 (en) Method for preparing 18f-bpa and intermediate
EP3828169A4 (en) Dication compound, preparation method therefor and use thereof
EP3673956B8 (en) Systems and methods for treatment planning using continuous quality metrics
EP3897163A4 (en) Meat injector
EP3856207A4 (en) Treatment methods
EP3852589A4 (en) Walk-in bath
EP3856241A4 (en) Treatment methods
EP3794470A4 (en) Kitchen construction apparatus and method
EP3845113A4 (en) Dishwasher and control method therefor
EP3843777A4 (en) Skin therapeutics
EP3819067A4 (en) Member and production method therefor
EP3882367A4 (en) High-strength stainless steel

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210127

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20220110

RIC1 Information provided on ipc code assigned before grant

Ipc: C25D 9/08 20060101ALI20220103BHEP

Ipc: C25D 5/48 20060101ALI20220103BHEP

Ipc: C25D 3/10 20060101ALI20220103BHEP

Ipc: C25D 3/06 20060101AFI20220103BHEP