EP0462073A3 - Electrolyte for producing thin black conversion layers on light metals - Google Patents

Electrolyte for producing thin black conversion layers on light metals Download PDF

Info

Publication number
EP0462073A3
EP0462073A3 EP19910810453 EP91810453A EP0462073A3 EP 0462073 A3 EP0462073 A3 EP 0462073A3 EP 19910810453 EP19910810453 EP 19910810453 EP 91810453 A EP91810453 A EP 91810453A EP 0462073 A3 EP0462073 A3 EP 0462073A3
Authority
EP
European Patent Office
Prior art keywords
electrolyte
conversion layers
light metals
producing thin
thin black
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.)
Granted
Application number
EP19910810453
Other languages
German (de)
Other versions
EP0462073B1 (en
EP0462073A2 (en
Inventor
Kerstin Haupt
Juergen Schmidt
Thomas Schwarz
Ulrich Bayer
Thomas Furche
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.)
Jenoptik AG
Original Assignee
Jenoptik Jena GmbH
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 Jenoptik Jena GmbH filed Critical Jenoptik Jena GmbH
Publication of EP0462073A2 publication Critical patent/EP0462073A2/en
Publication of EP0462073A3 publication Critical patent/EP0462073A3/en
Application granted granted Critical
Publication of EP0462073B1 publication Critical patent/EP0462073B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C25D11/02—Anodisation
    • C25D11/026—Anodisation with spark discharge
    • 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
    • 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
    • C25D11/14—Producing integrally coloured layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP91810453A 1990-06-14 1991-06-13 Electrolyte for producing thin black conversion layers on light metals Expired - Lifetime EP0462073B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD341637 1990-06-14
DD34163790A DD295198B5 (en) 1990-06-14 1990-06-14 Electrolyte for producing thin black conversion coatings on light metals

Publications (3)

Publication Number Publication Date
EP0462073A2 EP0462073A2 (en) 1991-12-18
EP0462073A3 true EP0462073A3 (en) 1993-01-20
EP0462073B1 EP0462073B1 (en) 1994-11-30

Family

ID=5619162

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810453A Expired - Lifetime EP0462073B1 (en) 1990-06-14 1991-06-13 Electrolyte for producing thin black conversion layers on light metals

Country Status (3)

Country Link
US (1) US5094727A (en)
EP (1) EP0462073B1 (en)
DD (1) DD295198B5 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1034522C (en) * 1995-04-18 1997-04-09 哈尔滨环亚微弧技术有限公司 Plasma enhanced electrochemical surface ceramic method and product prepared by same
US6245436B1 (en) * 1999-02-08 2001-06-12 David Boyle Surfacing of aluminum bodies by anodic spark deposition
DE102008026557A1 (en) 2008-06-03 2009-12-17 Königsee Implantate und Instrumente zur Osteosynthese GmbH Electrochemically produced, biodegradation-stable, ductile and adherent titanium oxide surface layer on titanium or titanium-based alloys
DE102008026558B4 (en) 2008-06-03 2010-04-01 Königsee Implantate und Instrumente zur Osteosynthese GmbH Electrochemical immersion process in an aqueous electrolyte to produce a biologically degradable surface layer on bases of titanium or titanium-based alloys
CN103088387B (en) * 2012-12-13 2016-04-20 陕西华银科技有限公司 Copper oxide/aluminum oxide composite catalyst and preparation method thereof and special micro-arc oxidation electrolyte

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3870925D1 (en) * 1987-02-02 1992-06-17 Friebe & Reininghaus Ahc METHOD FOR PRODUCING DECORATIVE COATINGS ON METALS.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
METALLOBERFLäCHE Bd. 40, Nr. 12, Dezember 1986, Seiten 539 - 540 KURZE 'beschichten durch anodische oxidation unter funkenentladungen (anof)' *

Also Published As

Publication number Publication date
US5094727A (en) 1992-03-10
DD295198B5 (en) 1996-06-27
EP0462073B1 (en) 1994-11-30
EP0462073A2 (en) 1991-12-18

Similar Documents

Publication Publication Date Title
AU7747591A (en) Image generator
AU3280993A (en) Photovoltaic device and method for producing the same
AU544512B2 (en) Video key edge generator
HU910483D0 (en) Composite electric film
EP0493101A3 (en) Image conversion
AU5050193A (en) Sollar cell
JPS561914A (en) Camera mounted on microscope
AU658848B2 (en) Solid electrolytes
GB9017982D0 (en) A solar cell arrangement
AU8428291A (en) Can with push-on cover
GB8928058D0 (en) Digital image generation
AU7656391A (en) Image generator
GB9008424D0 (en) Power take-off engagement mechanism
AU529692B2 (en) Coarse grained aluminium hydroxide
AU7989191A (en) Image generator
AU7882591A (en) A thermal shunt for a battery
GB2186294B (en) Object provided with a decorative black anti-wear layer
AU8112182A (en) Image data conversion
EP0462073A3 (en) Electrolyte for producing thin black conversion layers on light metals
ZA91824B (en) Converting vehicles
AU544123B2 (en) Solar mirrors
GB9000929D0 (en) Emergency light
AU8829891A (en) Improved composite tooling
GB2242797B (en) Signal generation using digital-to-analogue conversion
EP0444435A3 (en) Two cell laser raman converter

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): CH FR GB LI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH FR GB LI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: JENOPTIK GMBH

17P Request for examination filed

Effective date: 19930429

17Q First examination report despatched

Effective date: 19940304

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH FR GB LI

ET Fr: translation filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19950221

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

REG Reference to a national code

Ref country code: CH

Ref legal event code: PUE

Owner name: JENOPTIK GMBH TRANSFER- PTS GESELLSCHAFT FUER PHYS

REG Reference to a national code

Ref country code: CH

Ref legal event code: PUE

Owner name: PTS GESELLSCHAFT FUER PHYSIKALISCH-TECHNISCHE STUD

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

REG Reference to a national code

Ref country code: FR

Ref legal event code: TP

REG Reference to a national code

Ref country code: GB

Ref legal event code: 711B

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: CH

Ref legal event code: AEN

Free format text: REAKTIVIERUNG NACH IRRTUEMLICHER LOESCHUNG

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: AHC OBERFLAECHENTECHNIK GMBH & CO. OHG

Free format text: AHC OBERFLAECHENTECHNIK GMBH & CO. OHG#BOELCKESTRASSE 25#50171 KERPEN (DE) -TRANSFER TO- AHC OBERFLAECHENTECHNIK GMBH & CO. OHG#BOELCKESTRASSE 25#50171 KERPEN (DE)

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20101231

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20101230

Year of fee payment: 20

Ref country code: FR

Payment date: 20110127

Year of fee payment: 20

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20110612

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

Effective date: 20110612