WO2023208747 - METHOD FOR BLACK-PASSIVATING A ZINC LAYER, BLACK-PASSIVATION COMPOSITION, AND RESPECTIVE USE
National phase entry is expected:
Publication Number
WO/2023/208747
Publication Date
02.11.2023
International Application No.
PCT/EP2023/060371
International Filing Date
20.04.2023
Title **
[English]
METHOD FOR BLACK-PASSIVATING A ZINC LAYER, BLACK-PASSIVATION COMPOSITION, AND RESPECTIVE USE
[French]
PROCÉDÉ DE PASSIVATION NOIRE D'UNE COUCHE DE ZINC, COMPOSITION DE PASSIVATION NOIRE ET UTILISATION RESPECTIVE
Applicants **
ATOTECH DEUTSCHLAND GMBH & CO. KG
Erasmusstraße 20
10553 Berlin, DE
Inventors
SHARMA, Prateek
c/o Atotech Deutschland GmbH & Co. KG
Intellectual Property
Erasmusstraße 20
10553 Berlin, DE
KUMAR, Veerendra
c/o Atotech Deutschland GmbH & Co. KG
Intellectual Property
Erasmusstraße 20
10553 Berlin, DE
SARDANA, Nitin
c/o Atotech Deutschland GmbH & Co. KG
Intellectual Property
Erasmusstraße 20
10553 Berlin, DE
KACZMAREK, Michal
c/o Atotech Deutschland GmbH & Co. KG
Intellectual Property
Erasmusstraße 20
10553 Berlin, DE
Priority Data
22171011.4
29.04.2022
EP
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
| * | |
| * | |
International Searching Authority |
EPO
* |
| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| Translation |
|
Recalculate
* The data is based on automatic recognition. Please verify and amend if necessary.
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1094 | |
| EPO | Filing, Examination | 4588 | |
| Japan | Filing | 590 | |
| South Korea | Filing | 574 | |
| USA | Filing, Examination | 2710 |
Total: 9556 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
The present invention refers to a method for black-passivating a zinc layer, a respective black-passivation composition comprising one or more than one blackening agent selected from the group consisting of formula (I), salts, and stereoisomers thereof, and a respective use of such blackening agents for black-passivating a zinc layer, wherein the zinc layer is substantially free of, preferably does not comprise, nickel.[French]
La présente invention concerne un procédé de passivation noire d'une couche de zinc, une composition de passivation noire respective comprenant un ou plusieurs agents de noircissement choisis dans le groupe constitué par la formule (I), des sels et des stéréoisomères correspondants, et une utilisation respective de tels agents de noircissement pour la passivation noire d'une couche de zinc, la couche de zinc étant sensiblement exempte, de préférence ne comprenant pas, de nickel.