WO2023180216 - NEGATIVELY CHARGED SILICA PARTICLES, METHOD OF PRODUCING SUCH PARTICLES, COMPOSITIONS COMPRISING SUCH PARTICLES, AND A METHOD OF CHEMICAL-MECHANICAL POLISHING USING SUCH PARTICLES
National phase entry:
Publication Number
WO/2023/180216
Publication Date
28.09.2023
International Application No.
PCT/EP2023/056981
International Filing Date
20.03.2023
Title **
[English]
NEGATIVELY CHARGED SILICA PARTICLES, METHOD OF PRODUCING SUCH PARTICLES, COMPOSITIONS COMPRISING SUCH PARTICLES, AND A METHOD OF CHEMICAL-MECHANICAL POLISHING USING SUCH PARTICLES
[French]
PARTICULES DE SILICE CHARGÉES NÉGATIVEMENT, PROCÉDÉ DE PRODUCTION DE TELLES PARTICULES, COMPOSITIONS COMPRENANT DE TELLES PARTICULES, ET PROCÉDÉ DE POLISSAGE CHIMICO-MÉCANIQUE UTILISANT DE TELLES PARTICULES
Applicants **
MERCK PATENT GMBH
Inventors
JACQUINOT, Eric
GUILLAUD, Frederic
Priority Data
22305336.4
22.03.2022
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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| 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
* |
| * | |
| * | |
| * | |
| * | |
| * | |
| Entry into National Phase under |
Chapter I
* |
| 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 | 1998 | |
| EPO | Filing, Examination, Granting | 8131 | |
| Japan | Filing, Examination, Granting | 2130 | |
| South Korea | Filing, Examination, Granting | 1994 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
18,993
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
The present application relates to negatively charged silica particles, to a method of producing such particles, and to compositions comprising such particles as well as to a method for chemical mechanical polishing.[French]
La présente invention concerne des particules de silice chargées négativement, un procédé de production de telles particules, et des compositions comprenant de telles particules ainsi qu'un procédé de polissage chimico-mécanique.