WO2026058133 - METHODS FOR MAKING TRIHYDROCARBYL PHOSPHINES, PRE-METALLATION COMPOUNDS AND SINGLE SITE POLYMERIZATION CATALYSTS
National phase entry is expected:
Publication Number
WO/2026/058133
Publication Date
19.03.2026
International Application No.
PCT/IB2025/059009
International Filing Date
08.09.2025
Title **
[English]
METHODS FOR MAKING TRIHYDROCARBYL PHOSPHINES, PRE-METALLATION COMPOUNDS AND SINGLE SITE POLYMERIZATION CATALYSTS
[French]
PROCÉDÉS DE PRÉPARATION DE TRIHYDROCARBYLPHOSPHINES, DE COMPOSÉS DE PRÉ-MÉTALLATION ET DE CATALYSEURS DE POLYMÉRISATION À SITE UNIQUE
Applicants **
NOVA CHEMICALS (INTERNATIONAL) S.A.
Inventors
TANG, Chun Wai
GOETTEL, James T.
GAO, Xiaoliang
Priority Data
63/693,953
12.09.2024
US
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 |
|
* 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 | 2554 | |
| EPO | Filing, Examination, Granting | 14614 | |
| Japan | Filing, Examination, Granting | 2512 | |
| South Korea | Filing, Examination, Granting | 2730 | |
| USA | Filing, Examination, Granting | 5940 |
Total:
28,350
Contact Us
Abstract[English]
Provided are synthetic methods to make trihydrocarbyl phosphines and phosphinimine pre-metallation compounds which may be used to make single site polymerization catalysts.[French]
L'invention concerne des procédés de synthèse pour préparer des trihydrocarbylphosphines et des composés phosphinimine de pré-métallation qui peuvent être utilisés pour préparer des catalyseurs de polymérisation à site unique.