BE696774A - - Google Patents

Info

Publication number
BE696774A
BE696774A BE696774DA BE696774A BE 696774 A BE696774 A BE 696774A BE 696774D A BE696774D A BE 696774DA BE 696774 A BE696774 A BE 696774A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE696774A publication Critical patent/BE696774A/xx

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)
  • Electroplating Methods And Accessories (AREA)
  • Catalysts (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Treating Waste Gases (AREA)
BE696774D 1966-04-08 1967-04-07 BE696774A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US541075A US3419481A (en) 1966-04-08 1966-04-08 Electrolyte and process for electroplating black chromium and article thereby produced
US59536466A 1966-11-18 1966-11-18

Publications (1)

Publication Number Publication Date
BE696774A true BE696774A (xx) 1967-10-09

Family

ID=27066598

Family Applications (1)

Application Number Title Priority Date Filing Date
BE696774D BE696774A (xx) 1966-04-08 1967-04-07

Country Status (13)

Country Link
US (2) US3419481A (xx)
AT (1) AT272787B (xx)
BE (1) BE696774A (xx)
CH (1) CH473903A (xx)
DE (1) DE1621060C3 (xx)
DK (1) DK134572B (xx)
ES (1) ES338946A1 (xx)
FR (1) FR1522610A (xx)
GB (1) GB1175461A (xx)
IL (1) IL27753A (xx)
NL (2) NL6704974A (xx)
NO (1) NO121926B (xx)
SE (1) SE337151B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6800734A (xx) * 1967-01-18 1968-07-19
US3816142A (en) * 1972-05-08 1974-06-11 K Lindemann Electroless chromium plating process and composition
US3909404A (en) * 1973-02-26 1975-09-30 Oxy Metal Industries Corp Composition and process for electrodepositing a black chromium deposit
FR2529581A1 (fr) * 1982-06-30 1984-01-06 Armines Bain d'electrolyse a base de chrome trivalent
HU198970B (en) * 1986-02-19 1989-12-28 Visoram Szemuevegkeretgyar Electrolysis bath for making bright, black chromium plating
IN167895B (xx) * 1988-01-05 1991-01-05 Council Scient Ind Res
EP3312307A1 (de) * 2015-10-29 2018-04-25 Franz GmbH Verfahren zur effizienten schwarzverchromung i
CN106399990B (zh) * 2016-08-16 2019-09-20 深圳市诚达科技股份有限公司 一种基于不锈钢表面的抗结焦纳米材料及其制备方法
CN109183083B (zh) * 2018-11-27 2020-05-12 东北大学 一种基于热力学耦合问题提高镀铬板表面能的方法
CN111206269B (zh) * 2019-12-19 2021-03-30 陕西斯瑞新材料股份有限公司 一种具有高热辐射系数的电镀黑铬的制备方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA624887A (en) * 1961-08-01 Allied Chemical Corporation Electrodeposition of black chromium coatings
US1953484A (en) * 1928-12-11 1934-04-03 Westinghouse Lamp Co Method of chromium plating
FR754360A (xx) * 1929-10-16 1933-11-03
US2088615A (en) * 1932-06-29 1937-08-03 Schlotter Max Electrodeposition of chromium
DE881596C (de) * 1943-05-28 1953-07-02 Metallgesellschaft Ag Verfahren zur Verbesserung der Gleiteigenschaften metallischer Oberflaechen
US2354746A (en) * 1943-07-12 1944-08-01 Duzmal Stan Edward Attachment device
US2623847A (en) * 1947-09-10 1952-12-30 Lloyd O Gilbert Black chromium plating
US2507956A (en) * 1947-11-01 1950-05-16 Lithographic Technical Foundat Process of coating aluminum
US2777785A (en) * 1953-07-30 1957-01-15 Heintz Mfg Co Composition for and method of treating metals as well as the treated product
US2946728A (en) * 1955-06-23 1960-07-26 Cleveland Pneumatic Ind Inc Adherent electroplating on titanium
US2841540A (en) * 1955-10-28 1958-07-01 Diamond Alkali Co Chemical composition for chromium plating
US2841541A (en) * 1955-10-28 1958-07-01 Diamond Alkali Co Chemical composition for chromium plating
SU135319A1 (ru) * 1960-05-21 1961-01-05 И.И. Левитан Комбинированное черное хромирование
JPS3922105B1 (xx) * 1962-12-20 1964-10-07

Also Published As

Publication number Publication date
NL7403683A (en) 1974-06-25
NO121926B (xx) 1971-04-26
DE1621060C3 (de) 1978-01-19
NL6704974A (xx) 1967-10-09
US3511759A (en) 1970-05-12
ES338946A1 (es) 1968-09-01
IL27753A (en) 1970-10-30
US3419481A (en) 1968-12-31
DE1621060A1 (de) 1971-05-27
AT272787B (de) 1969-07-25
SE337151B (xx) 1971-07-26
DK134572C (xx) 1977-05-02
DE1621060B2 (de) 1976-04-15
CH473903A (fr) 1969-06-15
DK134572B (da) 1976-11-29
GB1175461A (en) 1969-12-23
NL157950B (nl) 1978-09-15
FR1522610A (fr) 1968-04-26

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: E.I. DU PONT DE NEMOURS AND CORP.

Effective date: 19850407