FR1271888A - Improvements to processes and compositions for the production of coatings by chemical conversion on aluminum and its alloys - Google Patents

Improvements to processes and compositions for the production of coatings by chemical conversion on aluminum and its alloys

Info

Publication number
FR1271888A
FR1271888A FR841719A FR841719A FR1271888A FR 1271888 A FR1271888 A FR 1271888A FR 841719 A FR841719 A FR 841719A FR 841719 A FR841719 A FR 841719A FR 1271888 A FR1271888 A FR 1271888A
Authority
FR
France
Prior art keywords
alloys
coatings
compositions
aluminum
processes
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
FR841719A
Other languages
French (fr)
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.)
Henkel Corp
Original Assignee
Amchem Products Inc
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 US854005A external-priority patent/US2988465A/en
Application filed by Amchem Products Inc filed Critical Amchem Products Inc
Priority to FR841719A priority Critical patent/FR1271888A/en
Application granted granted Critical
Publication of FR1271888A publication Critical patent/FR1271888A/en
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
FR841719A 1959-11-19 1960-10-20 Improvements to processes and compositions for the production of coatings by chemical conversion on aluminum and its alloys Expired FR1271888A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR841719A FR1271888A (en) 1959-11-19 1960-10-20 Improvements to processes and compositions for the production of coatings by chemical conversion on aluminum and its alloys

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US854005A US2988465A (en) 1959-11-19 1959-11-19 Method of producing chemical conversion coatings on aluminum surfaces
FR841719A FR1271888A (en) 1959-11-19 1960-10-20 Improvements to processes and compositions for the production of coatings by chemical conversion on aluminum and its alloys

Publications (1)

Publication Number Publication Date
FR1271888A true FR1271888A (en) 1961-09-15

Family

ID=26187870

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841719A Expired FR1271888A (en) 1959-11-19 1960-10-20 Improvements to processes and compositions for the production of coatings by chemical conversion on aluminum and its alloys

Country Status (1)

Country Link
FR (1) FR1271888A (en)

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