GB421696A - Anodic coating of zinc base metals - Google Patents

Anodic coating of zinc base metals

Info

Publication number
GB421696A
GB421696A GB133234A GB133234A GB421696A GB 421696 A GB421696 A GB 421696A GB 133234 A GB133234 A GB 133234A GB 133234 A GB133234 A GB 133234A GB 421696 A GB421696 A GB 421696A
Authority
GB
United Kingdom
Prior art keywords
zinc
gms
molybdate
class
treatment
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
GB133234A
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.)
New Jersey Zinc Co
Original Assignee
New Jersey Zinc Co
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 to DENDAT623563D priority Critical patent/DE623563C/de
Priority to US642610A priority patent/US1953999A/en
Application filed by New Jersey Zinc Co filed Critical New Jersey Zinc Co
Priority to GB133234A priority patent/GB421696A/en
Publication of GB421696A publication Critical patent/GB421696A/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
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers

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)
  • Prevention Of Electric Corrosion (AREA)

Abstract

421,696. Electrolytic surface treatment of zinc. FAIRWEATHER, H. G. C., 65, Chancery Lane, London..-(New Jersey Zinc Co. ; 160, Front Street, New York, U.S.A.) Jan. 13, 1934, No. 1332. [Class 41] Zinc and alloys consisting mainly thereof are provided with an insoluble coating resistant to weathering or corrosion by anodic treatment in a substantially neutral electrolyte containing an alkali metal ferrocyanide, ferricyanide, dichromate, oxalate or molybdate or ammonium oxalate or molybdate or more than one of these substances. Suitable baths are those containing 35 gms. of crystalline ammonium oxalate or 50 gms. of crystalline potassium ferrocyanide per litre. The metal surface may first be cleaned bv cathodic treatment in a bath containing 45 gms. of tri-sodium phosphate per litre of water. The coatings may be painted, lacquered or dyed. Coloured coatings may be obtained by addition of a dye to the electrolyte. Specifications 252,020, 305,651, [both in Class 82 (i)], 340,104, 376,534, 376,988, 378,645, [all in Group II], 414,580, 414,966, and 419,781 are referred to.
GB133234A 1932-11-14 1934-01-13 Anodic coating of zinc base metals Expired GB421696A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DENDAT623563D DE623563C (en) 1934-01-13
US642610A US1953999A (en) 1932-11-14 1932-11-14 Anodic coating of zinc base metals
GB133234A GB421696A (en) 1934-01-13 1934-01-13 Anodic coating of zinc base metals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB133234A GB421696A (en) 1934-01-13 1934-01-13 Anodic coating of zinc base metals

Publications (1)

Publication Number Publication Date
GB421696A true GB421696A (en) 1934-12-28

Family

ID=9720154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB133234A Expired GB421696A (en) 1932-11-14 1934-01-13 Anodic coating of zinc base metals

Country Status (2)

Country Link
DE (1) DE623563C (en)
GB (1) GB421696A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465773A (en) * 1947-02-21 1949-03-29 Du Pont Process of producing a catalytic article

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE742546C (en) * 1941-03-04 1943-12-06 Waffenwerke Bruenn A G Process to increase the corrosion resistance of zinc and its alloys
DE749946C (en) * 1941-11-20 1944-12-12 Process to increase the corrosion resistance of zinc and its alloys

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465773A (en) * 1947-02-21 1949-03-29 Du Pont Process of producing a catalytic article

Also Published As

Publication number Publication date
DE623563C (en)

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