CA1244376A - Trivalent chromium electrolyte and process - Google Patents

Trivalent chromium electrolyte and process

Info

Publication number
CA1244376A
CA1244376A CA000453954A CA453954A CA1244376A CA 1244376 A CA1244376 A CA 1244376A CA 000453954 A CA000453954 A CA 000453954A CA 453954 A CA453954 A CA 453954A CA 1244376 A CA1244376 A CA 1244376A
Authority
CA
Canada
Prior art keywords
present
amount
ions
electrolyte
chromium
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
CA000453954A
Other languages
English (en)
French (fr)
Inventor
Thaddeus W. 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
Application granted granted Critical
Publication of CA1244376A publication Critical patent/CA1244376A/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)
CA000453954A 1983-05-12 1984-05-09 Trivalent chromium electrolyte and process Expired CA1244376A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US492,304 1983-05-12
US06/492,302 US4477315A (en) 1980-11-10 1983-05-12 Trivalent chromium electrolyte and process employing reducing agents
US492,303 1983-05-12
US06/492,303 US4477318A (en) 1980-11-10 1983-05-12 Trivalent chromium electrolyte and process employing metal ion reducing agents
US492,302 1983-05-12
US06/492,304 US4439285A (en) 1980-11-10 1983-05-12 Trivalent chromium electrolyte and process employing neodymium reducing agent

Publications (1)

Publication Number Publication Date
CA1244376A true CA1244376A (en) 1988-11-08

Family

ID=27413928

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000453954A Expired CA1244376A (en) 1983-05-12 1984-05-09 Trivalent chromium electrolyte and process

Country Status (7)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101367924B1 (ko) * 2006-03-31 2014-03-17 아토테크 도이칠란드 게엠베하 결정형 크롬 고착물
ES2491517T3 (es) * 2007-10-02 2014-09-08 Atotech Deutschland Gmbh Depósito de aleación de cromo cristalino
AT510422B1 (de) * 2010-11-04 2012-04-15 Univ Wien Tech Verfahren zur abscheidung von hartchrom aus cr(vi)- freien elektrolyten
CO7190036A1 (es) * 2014-02-11 2015-02-19 Garcia Carlos Enrique Muñoz Proceso de cromado trivalente continuo
CN108808030B (zh) * 2018-07-03 2023-08-08 重庆大学 基于b-z振荡反应的脉冲电池设计
EP4151779A1 (de) * 2021-09-15 2023-03-22 Trivalent Oberflächentechnik GmbH Chrom-indium-, chrom-bismut- und chrom-antimon-beschichtung, verfahren zur herstellung und verwendung

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 (de) * 1965-01-20 1971-03-18 Roggendorf. Wilhelm. 7640 Kehl Selen titan und zirkonverbindungen enthaltendes tetrachrom bad und verfahren zur abscheidung von duplex chromschichten
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 (pt) 1984-12-18
DE3417416A1 (de) 1984-11-22
GB2141138B (en) 1986-07-09
GB2141138A (en) 1984-12-12
AU2796484A (en) 1984-11-15
ES532467A0 (es) 1985-12-16
GB8412122D0 (en) 1984-06-20
DE3417416C2 (pt) 1988-07-07
FR2545841A1 (fr) 1984-11-16
ES8603592A1 (es) 1985-12-16

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Legal Events

Date Code Title Description
MKEX Expiry