WO2023104689 - TITANIUM DIOXIDE PIGMENT PARTICLES COVALENTLY BONDED WITH A FUNCTIONALIZED NANOCELLULOSE
National phase entry is expected:
Publication Number
WO/2023/104689
Publication Date
15.06.2023
International Application No.
PCT/EP2022/084357
International Filing Date
05.12.2022
Title **
[English]
TITANIUM DIOXIDE PIGMENT PARTICLES COVALENTLY BONDED WITH A FUNCTIONALIZED NANOCELLULOSE
[French]
PARTICULES DE PIGMENT DE DIOXYDE DE TITANE LIÉES PAR COVALENCE À UNE NANOCELLULOSE FONCTIONNALISÉE
Applicants **
KRONOS INTERNATIONAL, INC.
Inventors
MOLON, Mariusz
SIEKMAN, Janine
KOCH, Thomas
LANDWEHR, Frank
HERBST, Annika
Priority Data
EP21212480
06.12.2021
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
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| * | |
| * | |
| * | |
| * | |
| * | |
| 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 | 1931 | |
| EPO | Filing, Examination, Granting | 8387 | |
| Japan | Filing, Examination, Granting | 2099 | |
| South Korea | Filing, Examination, Granting | 1948 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,105
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
The invention relates to a composite material comprised of titanium dioxide pigment particles and nanocellulose wherein the titanium dioxide pigment particles and the nanocellulose are covalently bonded to each other via at least one carboxyl groups and/or at least one phosphate groups. In addition, the present invention pertains to a method for obtaining said composite material, the composite material obtained by said method. Finally, the present invention relates to an aqueous slurry and the use of the aqueous slurry in the manufacture of paper, décor papers, corrugated cardboards, and packaging.[French]
L'invention concerne un matériau composite constitué de particules de pigment de dioxyde de titane et de nanocellulose, les particules de pigment de dioxyde de titane et la nanocellulose étant liées par covalence les unes aux autres par l'intermédiaire d'au moins un groupe carboxyle et/ou d'au moins un groupe phosphate. De plus, la présente invention concerne un procédé d'obtention dudit matériau composite, le matériau composite obtenu par ledit procédé. Enfin, la présente invention concerne une suspension aqueuse et l'utilisation de la suspension aqueuse dans la fabrication de papier, de papier décoratif, de carton ondulé et d'emballage.