WO2025215480 - CATALYST MATERIALS

National phase entry is expected:
Publication Number WO/2025/215480
Publication Date 16.10.2025
International Application No. PCT/IB2025/053538
International Filing Date 03.04.2025
Title **
[English] CATALYST MATERIALS
[French] MATÉRIAUX CATALYSEURS
Applicants **
NOVA CHEMICALS (INTERNATIONAL) S.A.
Inventors
TAYLOR, Jared
SIMANZHENKOV, Vasily
KOLLE, Joel
Priority Data
63/631,665   09.04.2024   US
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Quotation for National Phase entry

Country StagesTotal
China Filing, Examination, Granting2659
EPO Filing, Examination, Granting17714
Japan Filing, Examination, Granting2710
South Korea Filing, Examination, Granting3203
USA Filing, Examination, Granting7340
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Abstract[English] is Ta, Nb, or a mixture thereof; a is 1.0; b is 0.01 to 0.5; c is 0.005 to 0.2; d is 0.005 to 0.1; and x is at least the number of oxygen atoms necessary to render the catalyst electrically neutral. The thermal treatment described herein may include one or more of water nitrogen, carbon dioxide, and argon.[French] est Ta, Nb, ou un mélange de ceux-ci ; a est 1,0 ; b est compris entre 0,01 et 0,5; c est compris entre 0,005 et 0,2 ; d est compris entre 0,005 et 0,1 ; et x est au moins le nombre d'atomes d'oxygène nécessaire pour rendre le catalyseur électriquement neutre. L'agent de traitement thermique décrit dans la description peut comprendre l'un ou plusieurs parmi l'azote, le dioxyde de carbone et l'argon aqueux.