DE3790088D2 - Electrolytic bath for forming a glossy black chromium coating layer - Google Patents

Electrolytic bath for forming a glossy black chromium coating layer

Info

Publication number
DE3790088D2
DE3790088D2 DE87HU8700006T DE3790088T DE3790088D2 DE 3790088 D2 DE3790088 D2 DE 3790088D2 DE 87HU8700006 T DE87HU8700006 T DE 87HU8700006T DE 3790088 T DE3790088 T DE 3790088T DE 3790088 D2 DE3790088 D2 DE 3790088D2
Authority
DE
Germany
Prior art keywords
forming
coating layer
electrolytic bath
chromium coating
black 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
DE87HU8700006T
Other languages
German (de)
Inventor
Ferenc Magyar
Jenoe Pojbics
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.)
LATSZERESZETI ESZKOEZOEK GYARA
Original Assignee
LATSZERESZETI ESZKOEZOEK GYARA
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 LATSZERESZETI ESZKOEZOEK GYARA filed Critical LATSZERESZETI ESZKOEZOEK GYARA
Application granted granted Critical
Publication of DE3790088D2 publication Critical patent/DE3790088D2/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
    • C25D3/08—Deposition of black chromium, e.g. hexavalent chromium, CrVI

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)
  • Chemical Treatment Of Metals (AREA)
DE87HU8700006T 1986-02-19 1987-02-19 Electrolytic bath for forming a glossy black chromium coating layer Expired DE3790088D2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU70286A HU198970B (en) 1986-02-19 1986-02-19 Electrolysis bath for making bright, black chromium plating

Publications (1)

Publication Number Publication Date
DE3790088D2 true DE3790088D2 (en) 1988-08-25

Family

ID=10950923

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87HU8700006T Expired DE3790088D2 (en) 1986-02-19 1987-02-19 Electrolytic bath for forming a glossy black chromium coating layer

Country Status (5)

Country Link
AU (1) AU7036087A (en)
DE (1) DE3790088D2 (en)
GB (1) GB2196988B (en)
HU (1) HU198970B (en)
WO (1) WO1987005056A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU611957B2 (en) * 1988-10-13 1991-06-27 Council Of Scientific And Industrial Research Improved black chromium plating bath useful for solar selective coatings
NL9000310A (en) * 1989-02-27 1990-09-17 Omi Int Corp MIXTURE AND METHOD FOR CONVERSION.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419481A (en) * 1966-04-08 1968-12-31 Diamond Shamrock Corp Electrolyte and process for electroplating black chromium and article thereby produced
DE2416604A1 (en) * 1974-04-05 1975-10-09 W Kampschulte & Cie Dr GALVANIC BLACK CHROME BATH AND PROCESS FOR THE DEPOSITION OF DEEP BLACK CHROME COATINGS
AU513298B2 (en) * 1978-06-02 1980-11-27 International Lead Zinc Research Organization Inc. Electrodeposition of black chromium
SU827606A1 (en) * 1978-06-19 1981-05-07 Предприятие П/Я Р-6762 Electrolyte for precipitating black chrome coatings

Also Published As

Publication number Publication date
GB2196988B (en) 1990-05-02
HU198970B (en) 1989-12-28
WO1987005056A1 (en) 1987-08-27
GB2196988A (en) 1988-05-11
HUT43121A (en) 1987-09-28
GB8724086D0 (en) 1987-11-18
AU7036087A (en) 1987-09-09

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee