FR2198002B1 - - Google Patents

Info

Publication number
FR2198002B1
FR2198002B1 FR7331338A FR7331338A FR2198002B1 FR 2198002 B1 FR2198002 B1 FR 2198002B1 FR 7331338 A FR7331338 A FR 7331338A FR 7331338 A FR7331338 A FR 7331338A FR 2198002 B1 FR2198002 B1 FR 2198002B1
Authority
FR
France
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
FR7331338A
Other languages
French (fr)
Other versions
FR2198002A1 (en
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.)
Dominion Foundries and Steel Ltd
Original Assignee
Dominion Foundries and Steel Ltd
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 Dominion Foundries and Steel Ltd filed Critical Dominion Foundries and Steel Ltd
Publication of FR2198002A1 publication Critical patent/FR2198002A1/fr
Application granted granted Critical
Publication of FR2198002B1 publication Critical patent/FR2198002B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
    • C23C22/37—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also hexavalent chromium compounds
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
FR7331338A 1972-08-31 1973-08-30 Expired FR2198002B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00285314A US3857739A (en) 1972-08-31 1972-08-31 Compositions and processes for producing chromium conversion coatings on surfaces of zinc or cadmium

Publications (2)

Publication Number Publication Date
FR2198002A1 FR2198002A1 (en) 1974-03-29
FR2198002B1 true FR2198002B1 (en) 1978-01-27

Family

ID=23093698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7331338A Expired FR2198002B1 (en) 1972-08-31 1973-08-30

Country Status (8)

Country Link
US (2) US3857739A (en)
JP (1) JPS5652118B2 (en)
BE (1) BE804288A (en)
CA (1) CA1009549A (en)
DE (1) DE2343998C2 (en)
FR (1) FR2198002B1 (en)
GB (1) GB1425380A (en)
IT (1) IT990435B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857739A (en) * 1972-08-31 1974-12-31 Dominion Foundries & Steel Compositions and processes for producing chromium conversion coatings on surfaces of zinc or cadmium
CA1083018A (en) * 1977-01-14 1980-08-05 Sydney H. Melbourne Compositions and processes for producing chromium conversion coatings on surfaces of zinc/iron alloy
US4171231A (en) * 1978-04-27 1979-10-16 R. O. Hull & Company, Inc. Coating solutions of trivalent chromium for coating zinc surfaces
US4126490A (en) * 1978-05-01 1978-11-21 Caterpillar Mitsubishi Ltd. Composition for forming chromate coating
US5219617A (en) * 1989-09-19 1993-06-15 Michigan Chrome And Chemical Company Corrosion resistant coated articles and process for making same
DE19615664A1 (en) 1996-04-19 1997-10-23 Surtec Produkte Und Systeme Fu Chromium (VI) free chromate layer and process for its production
US7314671B1 (en) 1996-04-19 2008-01-01 Surtec International Gmbh Chromium(VI)-free conversion layer and method for producing it
US20110151126A1 (en) * 2008-08-29 2011-06-23 Metts Glenn A Trivalent chromium conversion coating
US20110070429A1 (en) * 2009-09-18 2011-03-24 Thomas H. Rochester Corrosion-resistant coating for active metals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2106227A (en) * 1935-04-29 1938-01-25 Allegheny Steel Co Surface treatment of metal to prevent localized corrosive attack
US2786002A (en) * 1954-04-28 1957-03-19 American Chem Paint Co Method of treating zinciferous surfaces
US3116176A (en) * 1959-05-14 1963-12-31 Raymond Druckknopf & Metallwar Process for the production of corrosionresistant coatings on zinc- and cadmium-surfaces
US3287179A (en) * 1963-01-04 1966-11-22 Frank Theodore Process for preparing aluminum surfaces prior to plating
US3331710A (en) * 1963-08-23 1967-07-18 Hooker Chemical Corp Method for coating aluminum
US3481797A (en) * 1966-08-17 1969-12-02 Hooker Chemical Corp Method for operating chemical processing solutions
AU412989B2 (en) * 1967-04-20 1971-05-04 John Lysaght (Australia) Limited Composition and process for inhibiting corrosion of zinc surfaces
US3620777A (en) * 1968-07-24 1971-11-16 Hooker Chemical Corp Chromate chemical coating solution for zinc alloy
US3660172A (en) * 1970-08-19 1972-05-02 Amchem Prod Prepaint treatment for zinciferous surfaces
US3706604A (en) * 1971-01-20 1972-12-19 Oxy Metal Finishing Corp Process for the coating of metal
US3752707A (en) * 1971-08-23 1973-08-14 Heatbath Corp Corrosion resistant composition and method
US3857739A (en) * 1972-08-31 1974-12-31 Dominion Foundries & Steel Compositions and processes for producing chromium conversion coatings on surfaces of zinc or cadmium

Also Published As

Publication number Publication date
US3857739A (en) 1974-12-31
AU5977373A (en) 1975-03-06
CA1009549A (en) 1977-05-03
USRE29827E (en) 1978-11-07
DE2343998C2 (en) 1983-05-11
DE2343998A1 (en) 1974-03-07
IT990435B (en) 1975-06-20
GB1425380A (en) 1976-02-18
FR2198002A1 (en) 1974-03-29
JPS5652118B2 (en) 1981-12-10
BE804288A (en) 1973-12-17
JPS4991933A (en) 1974-09-03

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Legal Events

Date Code Title Description
ST Notification of lapse