AU638512B2 - Protection of lead-containing anodes during chromium electroplating - Google Patents

Protection of lead-containing anodes during chromium electroplating

Info

Publication number
AU638512B2
AU638512B2 AU67569/90A AU6756990A AU638512B2 AU 638512 B2 AU638512 B2 AU 638512B2 AU 67569/90 A AU67569/90 A AU 67569/90A AU 6756990 A AU6756990 A AU 6756990A AU 638512 B2 AU638512 B2 AU 638512B2
Authority
AU
Australia
Prior art keywords
acid
bath
amount
process according
alkylpolysulfonic
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.)
Expired
Application number
AU67569/90A
Other languages
English (en)
Other versions
AU6756990A (en
Inventor
Kenneth Russ Newby
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.)
Atotech Deutschland GmbH and Co KG
Original Assignee
Atochem North America Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23714188&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU638512(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Atochem North America Inc filed Critical Atochem North America Inc
Publication of AU6756990A publication Critical patent/AU6756990A/en
Application granted granted Critical
Publication of AU638512B2 publication Critical patent/AU638512B2/en
Assigned to ELF ATOCHEM NORTH AMERICA, INC. reassignment ELF ATOCHEM NORTH AMERICA, INC. Request to Amend Deed and Register Assignors: ATOCHEM NORTH AMERICA, INC.
Assigned to ATOFINA CHEMICALS, INC. reassignment ATOFINA CHEMICALS, INC. Request to Amend Deed and Register Assignors: ELF ATOCHEM NORTH AMERICA, INC.
Assigned to ATOTECH DEUTSCHLAND GMBH reassignment ATOTECH DEUTSCHLAND GMBH Alteration of Name(s) in Register under S187 Assignors: ATOFINA CHEMICALS, INC.
Anticipated expiration legal-status Critical
Expired 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
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/12—Process control or regulation
    • C25D21/14—Controlled addition of electrolyte components
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Automation & Control Theory (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Paints Or Removers (AREA)
AU67569/90A 1989-11-06 1990-11-06 Protection of lead-containing anodes during chromium electroplating Expired AU638512B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43196389A 1989-11-06 1989-11-06
US431963 1989-11-06

Publications (2)

Publication Number Publication Date
AU6756990A AU6756990A (en) 1991-05-31
AU638512B2 true AU638512B2 (en) 1993-07-01

Family

ID=23714188

Family Applications (1)

Application Number Title Priority Date Filing Date
AU67569/90A Expired AU638512B2 (en) 1989-11-06 1990-11-06 Protection of lead-containing anodes during chromium electroplating

Country Status (9)

Country Link
EP (1) EP0452471B1 (fr)
JP (1) JPH04502786A (fr)
AT (1) ATE150100T1 (fr)
AU (1) AU638512B2 (fr)
BR (1) BR9006995A (fr)
CA (1) CA2054201C (fr)
DE (1) DE69030176T2 (fr)
SG (1) SG52702A1 (fr)
WO (1) WO1991006693A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192515A (en) * 1990-09-20 1993-03-09 Molecular Technology Corporation Reduction of nitrogen oxide and carbon monoxide in effluent gases
DE102006042076A1 (de) * 2006-09-05 2008-03-20 Goldschmidt Tib Gmbh Ein neues Additiv für Chromelektrolyte
PL2792770T3 (pl) 2013-04-17 2015-11-30 Atotech Deutschland Gmbh Funkcjonalna warstwa chromu z ulepszoną odpornością korozyjną

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588481A (en) * 1985-03-26 1986-05-13 M&T Chemicals Inc. Chromium plating bath for producing non-iridescent, adherent, bright chromium deposits at high efficiencies and substantially free of cathodic low current density etching
US4786378A (en) * 1987-09-01 1988-11-22 M&T Chemicals Inc. Chromium electroplating baths having reduced weight loss of lead and lead alloy anodes
US4810337A (en) * 1988-04-12 1989-03-07 M&T Chemicals Inc. Method of treating a chromium electroplating bath which contains an alkyl sulfonic acid to prevent heavy lead dioxide scale build-up on lead or lead alloy anodes used therein

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3402554A1 (de) * 1984-01-26 1985-08-08 LPW-Chemie GmbH, 4040 Neuss Abscheidung von hartchrom auf einer metallegierung aus einem waessrigen, chromsaeure und schwefelsaeure enthaltenden elektrolyten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588481A (en) * 1985-03-26 1986-05-13 M&T Chemicals Inc. Chromium plating bath for producing non-iridescent, adherent, bright chromium deposits at high efficiencies and substantially free of cathodic low current density etching
US4786378A (en) * 1987-09-01 1988-11-22 M&T Chemicals Inc. Chromium electroplating baths having reduced weight loss of lead and lead alloy anodes
US4810337A (en) * 1988-04-12 1989-03-07 M&T Chemicals Inc. Method of treating a chromium electroplating bath which contains an alkyl sulfonic acid to prevent heavy lead dioxide scale build-up on lead or lead alloy anodes used therein

Also Published As

Publication number Publication date
ATE150100T1 (de) 1997-03-15
BR9006995A (pt) 1991-10-22
DE69030176D1 (de) 1997-04-17
DE69030176T2 (de) 1997-07-10
AU6756990A (en) 1991-05-31
EP0452471A4 (en) 1993-11-18
EP0452471B1 (fr) 1997-03-12
SG52702A1 (en) 1998-09-28
CA2054201A1 (fr) 1991-05-07
CA2054201C (fr) 2000-04-11
WO1991006693A1 (fr) 1991-05-16
JPH04502786A (ja) 1992-05-21
EP0452471A1 (fr) 1991-10-23

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Legal Events

Date Code Title Description
HB Alteration of name in register

Owner name: ATOFINA CHEMICALS, INC.

Free format text: FORMER NAME WAS: ELF ATOCHEM NORTH AMERICA, INC.

PC Assignment registered

Owner name: ATOTECH DEUTSCHLAND GMBH

Free format text: FORMER OWNER WAS: ATOFINA CHEMICALS, INC.