WO2026028134 - TRIETHYL-ALUMINUM AS AN ADDITIVE TO CONTROL CATALYST ACTIVITY AND REDUCE FORMATION OF POLYMER BYPRODUCTS DURING ETHYLENE OLIGOMERIZATION
National phase entry is expected:
Publication Number
WO/2026/028134
Publication Date
05.02.2026
International Application No.
PCT/IB2025/057766
International Filing Date
30.07.2025
Title **
[English]
TRIETHYL-ALUMINUM AS AN ADDITIVE TO CONTROL CATALYST ACTIVITY AND REDUCE FORMATION OF POLYMER BYPRODUCTS DURING ETHYLENE OLIGOMERIZATION
[French]
TRIÉTHYL-ALUMINIUM EN TANT QU'ADDITIF POUR RÉGULER L'ACTIVITÉ D'UN CATALYSEUR ET RÉDUIRE LA FORMATION DE SOUS-PRODUITS POLYMÈRES PENDANT L'OLIGOMÉRISATION DE L'ÉTHYLÈNE
Applicants **
SABIC GLOBAL TECHNOLOGIES B.V.
Inventors
KOROBKOV, Ilia
AZAM, Shahid
Priority Data
507922
02.08.2024
LU
Application details
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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 | 2023 | |
| EPO | Filing, Examination, Granting | 8141 | |
| Japan | Filing, Examination, Granting | 2170 | |
| South Korea | Filing, Examination, Granting | 2060 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
19,134
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Abstract[English]
The disclosure provides a catalyst composition for the oligomerization of ethylene to produce one or more linear alpha olefins, the catalyst composition including a chromium compound, a heteroatomic multidentate ligand having an NPNPN backbone, wherein each P is an optionally substituted phosphino group and each N is an optionally substituted amino group, a methylaluminoxane, and triethyl-aluminum.[French]
L'invention concerne une composition de catalyseur pour l'oligomérisation de l'éthylène pour produire une ou plusieurs alpha-oléfines linéaires, la composition de catalyseur comprenant un composé de chrome, un ligand multidenté hétéroatomique ayant un squelette NPNPN, chaque P étant un groupe phosphino éventuellement substitué et chaque N étant un groupe amino éventuellement substitué, un méthylaluminoxane et du triéthyl-aluminium.