WO2026119735 - METHOD FOR RECOVERING ADDITIVES AND/OR POLYMER MATERIAL FROM PLASTIC MATERIAL
National phase entry is expected:
Publication Number
WO/2026/119735
Publication Date
11.06.2026
International Application No.
PCT/EP2025/084743
International Filing Date
28.11.2025
Title **
[English]
METHOD FOR RECOVERING ADDITIVES AND/OR POLYMER MATERIAL FROM PLASTIC MATERIAL
[French]
PROCÉDÉ DE RÉCUPÉRATION D'ADDITIFS ET/OU DE MATÉRIAU POLYMÈRE À PARTIR DE MATIÈRE PLASTIQUE
Applicants **
UNIVERSITEIT GENT
Inventors
DE MEESTER, Steven
ÜGDÜLER, Sibel
CARRIERI, Elisabetta
Priority Data
24216766.6
02.12.2024
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 | * |
| * | |
| Number of Office Actions | * |
| * | |
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
* |
| 译文 |
|
* 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 | 1996 | |
| EPO | Filing, Examination, Granting | 8126 | |
| Japan | Filing, Examination, Granting | 2124 | |
| South Korea | Filing, Examination, Granting | 2009 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
18,995
Contact Us
Abstract[English]
The invention relates to a method for recovering at least one polymer material and/or at least one additive from a plastic material, the method comprises the contacting of the plastic material with a solvent to obtain a suspension comprising a solution and solid particles, the solution comprising the dissolved at least one polymer material and the solid particles comprise the at least one additive. 5 The method further comprises the addition of an organic compound to the suspension to obtain a supernatant and a sediment. The organic compound is insoluble in the solvent and comprises a polymeric chain having at least 5 carbon atoms. The organic compound has a number of hydrogen bond donors (HBD) and a number of hydrogen bond acceptors (HBA), with the ratio HBD/HBA ranging from 0 to 1. 10 The sediment comprises aggregate particles having a size larger than the size of the solid particles.[French]
L'invention concerne un procédé de récupération d'au moins un matériau polymère et/ou d'au moins un additif à partir d'une matière plastique, le procédé comprenant la mise en contact de la matière plastique avec un solvant pour obtenir une suspension comprenant une solution et des particules solides, la solution comprenant le ou les matériaux polymères dissous et les particules solides comprenant le ou les additifs. Le procédé comprend en outre l'ajout d'un composé organique à la suspension pour obtenir un surnageant et un sédiment. Le composé organique est insoluble dans le solvant et comprend une chaîne polymère ayant au moins 5 atomes de carbone. Le composé organique a un certain nombre de donneurs de liaison hydrogène (HBD) et un certain nombre d'accepteurs de liaison hydrogène (HBA), le rapport HBD/HBA allant de 0 à 1. Le sédiment comprend des particules d'agrégat ayant une taille supérieure à la taille des particules solides.