GB2141138B - Trivalent chromium electroplating electrolytes rejuvenation thereof - Google Patents

Trivalent chromium electroplating electrolytes rejuvenation thereof

Info

Publication number
GB2141138B
GB2141138B GB08412122A GB8412122A GB2141138B GB 2141138 B GB2141138 B GB 2141138B GB 08412122 A GB08412122 A GB 08412122A GB 8412122 A GB8412122 A GB 8412122A GB 2141138 B GB2141138 B GB 2141138B
Authority
GB
United Kingdom
Prior art keywords
rejuvenation
trivalent chromium
chromium electroplating
electroplating electrolytes
electrolytes
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
GB08412122A
Other versions
GB2141138A (en
GB8412122D0 (en
Inventor
Thaddeus Walter Tomaszewski
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.)
OMI International Corp
Original Assignee
OMI International 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
Priority claimed from US06/492,302 external-priority patent/US4477315A/en
Priority claimed from US06/492,303 external-priority patent/US4477318A/en
Priority claimed from US06/492,304 external-priority patent/US4439285A/en
Application filed by OMI International Corp filed Critical OMI International Corp
Publication of GB8412122D0 publication Critical patent/GB8412122D0/en
Publication of GB2141138A publication Critical patent/GB2141138A/en
Application granted granted Critical
Publication of GB2141138B publication Critical patent/GB2141138B/en
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
    • 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
    • C25D21/00—Processes for servicing or operating cells for electrolytic coating
    • C25D21/16—Regeneration of process solutions
    • C25D21/18—Regeneration of process solutions of electrolytes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
GB08412122A 1983-05-12 1984-05-11 Trivalent chromium electroplating electrolytes rejuvenation thereof Expired GB2141138B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/492,302 US4477315A (en) 1980-11-10 1983-05-12 Trivalent chromium electrolyte and process employing reducing agents
US06/492,303 US4477318A (en) 1980-11-10 1983-05-12 Trivalent chromium electrolyte and process employing metal ion reducing agents
US06/492,304 US4439285A (en) 1980-11-10 1983-05-12 Trivalent chromium electrolyte and process employing neodymium reducing agent

Publications (3)

Publication Number Publication Date
GB8412122D0 GB8412122D0 (en) 1984-06-20
GB2141138A GB2141138A (en) 1984-12-12
GB2141138B true GB2141138B (en) 1986-07-09

Family

ID=27413928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08412122A Expired GB2141138B (en) 1983-05-12 1984-05-11 Trivalent chromium electroplating electrolytes rejuvenation thereof

Country Status (7)

Country Link
AU (1) AU2796484A (en)
BR (1) BR8402245A (en)
CA (1) CA1244376A (en)
DE (1) DE3417416A1 (en)
ES (1) ES8603592A1 (en)
FR (1) FR2545841A1 (en)
GB (1) GB2141138B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101367924B1 (en) * 2006-03-31 2014-03-17 아토테크 도이칠란드 게엠베하 Crystalline chromium deposit
ES2491517T3 (en) * 2007-10-02 2014-09-08 Atotech Deutschland Gmbh Crystalline Chrome Alloy Tank
AT510422B1 (en) * 2010-11-04 2012-04-15 Univ Wien Tech METHOD FOR THE DEPOSITION OF HARTCHROM FROM CR (VI) - FREE ELECTROLYTES
CO7190036A1 (en) * 2014-02-11 2015-02-19 Garcia Carlos Enrique Muñoz Continuous trivalent chrome plating process
CN108808030B (en) * 2018-07-03 2023-08-08 重庆大学 Pulsed battery design based on B-Z oscillation reaction
EP4151779A1 (en) * 2021-09-15 2023-03-22 Trivalent Oberflächentechnik GmbH Chrome-indium, chrome-bismuth and chrome antimony coating, method for the production and use thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3303114A (en) * 1964-01-10 1967-02-07 Udylite Corp Chromium plating
DE1496983B2 (en) * 1965-01-20 1971-03-18 Roggendorf. Wilhelm. 7640 Kehl TETRACHROME BATH CONTAINING SELENIUM TITANIUM AND ZIRCONIUM COMPOUNDS AND PROCESS FOR THE DEPOSITION OF DUPLEX CHROME LAYERS
US3634211A (en) * 1969-10-06 1972-01-11 M & T Chemicals Inc Process for electroplating chromium and electrolytes therefor
US3694328A (en) * 1970-08-24 1972-09-26 Udylite Corp Composition and process for chromium plating
US4054494A (en) * 1973-12-13 1977-10-18 Albright & Wilson Ltd. Compositions for use in chromium plating
US4392922A (en) * 1980-11-10 1983-07-12 Occidental Chemical Corporation Trivalent chromium electrolyte and process employing vanadium reducing agent

Also Published As

Publication number Publication date
BR8402245A (en) 1984-12-18
DE3417416A1 (en) 1984-11-22
GB2141138A (en) 1984-12-12
CA1244376A (en) 1988-11-08
AU2796484A (en) 1984-11-15
ES532467A0 (en) 1985-12-16
GB8412122D0 (en) 1984-06-20
DE3417416C2 (en) 1988-07-07
FR2545841A1 (en) 1984-11-16
ES8603592A1 (en) 1985-12-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee