WO2023152073 - METAL EFFECT PIGMENTS WITH SURFACE-TREATMENTS, PREPARING METHOD AND USE OF SAME
National phase entry:
Publication Number
WO/2023/152073
Publication Date
17.08.2023
International Application No.
PCT/EP2023/052775
International Filing Date
06.02.2023
Title **
[English]
METAL EFFECT PIGMENTS WITH SURFACE-TREATMENTS, PREPARING METHOD AND USE OF SAME
[French]
PIGMENTS À EFFET MÉTALLIQUE AVEC TRAITEMENTS DE SURFACE, PROCÉDÉ DE PRÉPARATION ET UTILISATION DE CEUX-CI
Applicants **
MERCK PATENT GMBH
Frankfurter Strasse 250
64293 Darmstadt, DE
Inventors
LI, Bangyin
c/o Merck Performance Materials G.K. [JP]
Arco Tower 5F, 1-8-1 Shimomeguro 1-chome
Meguro-ku
TOKYO 153-8927, JP
Priority Data
22155912.3
09.02.2022
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 | * |
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International Searching Authority |
EPO
* |
| Applicant's Legal Status |
Legal Entity
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| * | |
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| * | |
| * | |
| Entry into National Phase under |
Chapter I
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| Translation |
|
Recalculate
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1149 | |
| EPO | Filing, Examination | 4846 | |
| Japan | Filing | 591 | |
| South Korea | Filing | 575 | |
| USA | Filing, Examination | 3310 |
Total: 10471 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
Metal effect pigments, having a surface treatment comprising A) phosphoric acid (H3PO4), B) tetraethyl orthosilicate (TEOS) and C) at least one organic coupling agent to the metal effect pigments, exhibiting excellent humidity resistance performance without any influence on the chroma, luster and color of base metal effect pigments, a process for producing same and their use.[French]
L'invention concerne des pigments à effet métallique ayant un traitement de surface, comprenant A) de l'acide phosphorique (H3PO4), b) de l'orthosilicate de tétraéthyle (TEOS) et c) au moins un agent de couplage organique aux pigments à effet métallique, présentant une excellente performance de résistance à l'humidité sans aucune influence sur la saturation, le lustre et la couleur de pigments à effet métallique de base, un procédé de production de ceux-ci et leur utilisation.