ITMI911932A0 - PROCEDURE FOR THE ELECTROLYTIC COLORING OF ANODIC OXIDE ON ALUMINUM AND ALUMINUM ALLOYS BY OPTICAL INTERFERENCE - Google Patents

PROCEDURE FOR THE ELECTROLYTIC COLORING OF ANODIC OXIDE ON ALUMINUM AND ALUMINUM ALLOYS BY OPTICAL INTERFERENCE

Info

Publication number
ITMI911932A0
ITMI911932A0 IT91MI1932A ITMI911932A ITMI911932A0 IT MI911932 A0 ITMI911932 A0 IT MI911932A0 IT 91MI1932 A IT91MI1932 A IT 91MI1932A IT MI911932 A ITMI911932 A IT MI911932A IT MI911932 A0 ITMI911932 A0 IT MI911932A0
Authority
IT
Italy
Prior art keywords
aluminum
procedure
optical interference
anodic oxide
electrolytic coloring
Prior art date
Application number
IT91MI1932A
Other languages
Italian (it)
Inventor
Luigi Zanardi
Giuseppe Giordano
Carlo Calcaterra
Original Assignee
Alures S C P A
Alures
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 Alures S C P A, Alures filed Critical Alures S C P A
Priority to ITMI911932A priority Critical patent/IT1250679B/en
Publication of ITMI911932A0 publication Critical patent/ITMI911932A0/en
Priority to EP19920110964 priority patent/EP0522402A1/en
Publication of ITMI911932A1 publication Critical patent/ITMI911932A1/en
Application granted granted Critical
Publication of IT1250679B publication Critical patent/IT1250679B/en

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
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/18—After-treatment, e.g. pore-sealing
    • C25D11/20—Electrolytic after-treatment
    • C25D11/22—Electrolytic after-treatment for colouring layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Chemical Treatment Of Metals (AREA)
ITMI911932A 1991-07-12 1991-07-12 PROCEDURE FOR THE ELECTROLYTIC COLORING OF THE ANODIC OXIDE ON ALUMINUM AND ALUMINUM ALLOYS FOR OPTICAL INTERFERENCE. IT1250679B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI911932A IT1250679B (en) 1991-07-12 1991-07-12 PROCEDURE FOR THE ELECTROLYTIC COLORING OF THE ANODIC OXIDE ON ALUMINUM AND ALUMINUM ALLOYS FOR OPTICAL INTERFERENCE.
EP19920110964 EP0522402A1 (en) 1991-07-12 1992-06-29 Process for electrolytic colouring, by optical interference, the anodic oxide on aluminum and aluminum alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI911932A IT1250679B (en) 1991-07-12 1991-07-12 PROCEDURE FOR THE ELECTROLYTIC COLORING OF THE ANODIC OXIDE ON ALUMINUM AND ALUMINUM ALLOYS FOR OPTICAL INTERFERENCE.

Publications (3)

Publication Number Publication Date
ITMI911932A0 true ITMI911932A0 (en) 1991-07-12
ITMI911932A1 ITMI911932A1 (en) 1993-01-12
IT1250679B IT1250679B (en) 1995-04-21

Family

ID=11360335

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI911932A IT1250679B (en) 1991-07-12 1991-07-12 PROCEDURE FOR THE ELECTROLYTIC COLORING OF THE ANODIC OXIDE ON ALUMINUM AND ALUMINUM ALLOYS FOR OPTICAL INTERFERENCE.

Country Status (2)

Country Link
EP (1) EP0522402A1 (en)
IT (1) IT1250679B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989605A (en) * 1973-03-09 1976-11-02 Sumitomo Chemical Company, Limited Method for continuous electrolytic coloring of aluminum articles
AR208421A1 (en) * 1975-07-16 1976-12-27 Alcan Res & Dev ELECTROLYTICALLY ANODIZED AND COLORED ALUMINUM ARTICLE AND A METHOD TO PRODUCE THE SAME
DE3530934C1 (en) * 1985-08-29 1987-04-16 Chemal Gmbh & Co Kg Process for the uniform electrolytic coloring of anodized aluminum or aluminum alloys

Also Published As

Publication number Publication date
IT1250679B (en) 1995-04-21
EP0522402A1 (en) 1993-01-13
ITMI911932A1 (en) 1993-01-12

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970625