WO2026041305 - PROCESS OF STRIPPING NICKEL OR COBALT FROM COATED STEEL SUBSTRATES
National phase entry is expected:
Publication Number
WO/2026/041305
Publication Date
26.02.2026
International Application No.
PCT/EP2025/070173
International Filing Date
15.07.2025
Title **
[English]
PROCESS OF STRIPPING NICKEL OR COBALT FROM COATED STEEL SUBSTRATES
[French]
PROCÉDÉ DE DÉCAPAGE DE NICKEL OU DE COBALT À PARTIR DE SUBSTRATS EN ACIER REVÊTUS
Applicants **
TATA STEEL IJMUIDEN B.V.
Inventors
WITTEBROOD, Adrianus, Jacobus
HINDI, Muawya
Priority Data
24195157.3
19.08.2024
EP
25166633.5
27.03.2025
EP
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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| Number of Pages with Drawings | * |
| Pages of Specification | * |
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| Number of Office Actions | * |
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International Searching Authority |
EPO
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
* |
| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2080 | |
| EPO | Filing, Examination, Granting | 8147 | |
| Japan | Filing, Examination, Granting | 2174 | |
| South Korea | Filing, Examination, Granting | 2083 | |
| USA | Filing, Examination, Granting | 5340 |
Total:
19,824
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Abstract[English]
The invention relates to a process of selectively stripping nickel or cobalt from coated steel substrates. The invention further relates to an aqueous alkaline ammonia solution suitable for use in the process.[French]
L'invention concerne un procédé de décapage sélectif de nickel ou de cobalt à partir de substrats en acier revêtus. L'invention concerne en outre une solution aqueuse alcaline d'ammoniac appropriée pour être utilisée dans le procédé.