WO2025099668 - PROCESS FOR REMOVING POLYURETHANE FIBERS FROM POLYAMIDE ARTICLES
National phase entry is expected:
Publication Number
WO/2025/099668
Publication Date
15.05.2025
International Application No.
PCT/IB2024/061103
International Filing Date
08.11.2024
Title **
[English]
PROCESS FOR REMOVING POLYURETHANE FIBERS FROM POLYAMIDE ARTICLES
[French]
PROCÉDÉ D'ÉLIMINATION DE FIBRES DE POLYURÉTHANE D'ARTICLES EN POLYAMIDE
Applicants **
RHODIA BRASIL S.A.
Inventors
HOELSCHER, Fernanda
GAMBA TAVARES, Luiza
VELOSO MEDEIROS, Guainumbi
HANSU PAK, Pierre
VIDOTO DUTRA, Felipe
DE SOUZA SANTANA, Marcos Henrique
DIAS DUTRA, Joyce Gabriella
Priority Data
PCT/IB2023/061287
08.11.2023
IB
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
* |
| 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 | 2177 | |
| EPO | Filing, Examination, Granting | 10851 | |
| Japan | Filing, Examination, Granting | 2357 | |
| South Korea | Filing, Examination, Granting | 2334 | |
| USA | Filing, Examination, Granting | 4740 |

Total:
22,459
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
The present invention is related to a process for removing polyurethane fibers from a polyamide article, comprising at least one step of depolymerization of the polyurethane fibers carried out by contacting said article with at least one solvent.[French]
La présente invention concerne un procédé d'élimination de fibres de polyuréthane d'un article en polyamide, comprenant au moins une étape de dépolymérisation des fibres de polyuréthane réalisée par mise en contact dudit article avec au moins un solvant.