BR9917454A - Passivation processes for zinc-nickel layers - Google Patents

Passivation processes for zinc-nickel layers

Info

Publication number
BR9917454A
BR9917454A BR9917454-5A BR9917454A BR9917454A BR 9917454 A BR9917454 A BR 9917454A BR 9917454 A BR9917454 A BR 9917454A BR 9917454 A BR9917454 A BR 9917454A
Authority
BR
Brazil
Prior art keywords
zinc
passivation processes
nickel layers
layers
passivation
Prior art date
Application number
BR9917454-5A
Other languages
Portuguese (pt)
Inventor
Ernst-Walter Hillebrand
Original Assignee
Walter Hillebrand Gmbh & Co Ga
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 Walter Hillebrand Gmbh & Co Ga filed Critical Walter Hillebrand Gmbh & Co Ga
Priority to BR9917454-5A priority Critical patent/BR9917454A/en
Priority claimed from PCT/EP1999/005995 external-priority patent/WO2001012877A1/en
Publication of BR9917454A publication Critical patent/BR9917454A/en

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  • Chemically Coating (AREA)

Abstract

Patente de Invenção: "PROCESSOS DE PASSIVAçãO PARA CAMADAS DE ZINCO-NìQUEL". A presente invenção refere-se a um processo para passivação de revestimentos de zinco-níquel gaivânicos, segundo o qual o revestimento é tratado com um agente de oxidação, com o qual o emprego de Cromo VI é evitado.Invention Patent: "PASSIVATION PROCESSES FOR ZINC-NÍQUEL LAYERS". The present invention relates to a process for passivating zinc nickel coatings, whereby the coating is treated with an oxidizing agent, with which the use of Chromium VI is avoided.

BR9917454-5A 1999-08-16 1999-08-16 Passivation processes for zinc-nickel layers BR9917454A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9917454-5A BR9917454A (en) 1999-08-16 1999-08-16 Passivation processes for zinc-nickel layers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR9917454-5A BR9917454A (en) 1999-08-16 1999-08-16 Passivation processes for zinc-nickel layers
PCT/EP1999/005995 WO2001012877A1 (en) 1998-08-18 1999-08-16 Passivation method for zinc-nickel layers

Publications (1)

Publication Number Publication Date
BR9917454A true BR9917454A (en) 2002-05-07

Family

ID=25665579

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9917454-5A BR9917454A (en) 1999-08-16 1999-08-16 Passivation processes for zinc-nickel layers

Country Status (1)

Country Link
BR (1) BR9917454A (en)

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 6A,7A E 8A ANUIDADES.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1914 DE 11/09/2007.