WO2026037566 - POLYURETHANE TOUGHENER SUITABLE FOR EPOXY COMPOSITION
National phase entry is expected:
Publication Number
WO/2026/037566
Publication Date
19.02.2026
International Application No.
PCT/EP2025/070329
International Filing Date
16.07.2025
Title **
[English]
POLYURETHANE TOUGHENER SUITABLE FOR EPOXY COMPOSITION
[French]
DURCISSEUR DE POLYURÉTHANE APPROPRIÉ POUR UNE COMPOSITION ÉPOXY
Applicants **
HENKEL AG & CO. KGAA
Inventors
SHYSHOV, Oleksandr
BENOMAR, Mustapha
KLOTZ, Michael
Priority Data
24194810.8
15.08.2024
EP
Application details
| Total Number of Claims/PCT | * |
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| Number of Drawings | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 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 | 2022 | |
| EPO | Filing, Examination, Granting | 8118 | |
| Japan | Filing, Examination, Granting | 2171 | |
| South Korea | Filing, Examination, Granting | 2044 | |
| USA | Filing, Examination, Granting | 7740 |
Total:
22,095
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Abstract[English]
The present invention relates to a polyurethane toughener suitable for epoxy composition, in particular a polyurethane toughener providing for epoxy composition with excellent mechanical strength as well as corrosion resistance while possessing low viscosity, to the method of producing the polyurethane toughener, to a curable epoxy composition comprising the polyurethane toughener, and a method of bonding substrates by using the curable epoxy composition.[French]
La présente invention concerne un durcisseur de polyuréthane approprié pour une composition époxy, en particulier un durcisseur de polyuréthane fournissant une composition époxy présentant une excellente résistance mécanique ainsi qu'une résistance à la corrosion tout en possédant une faible viscosité, le procédé de production du durcisseur de polyuréthane, une composition époxy durcissable comprenant le durcisseur de polyuréthane, et un procédé de liaison de substrats à l'aide de la composition époxy durcissable.