Wei Xu

This inventor holds 9 USPTO granted patents, plus 3 CIPO patents and 1 EPO patent. Top assignee: Nova Chemicals (International) S.a.. Active years: 2000-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Wei Xu. Retrieved from https://idiyas.com/inventor/wei-xu-wa41qfpy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 9

% Patents Active = 88.9

CIPO Patents = 3 (Patent Applications = 1)

EPO Patents = 1

Average Co-Inventor Count = 2.8

ph-index = 5

Forward Citations = 72(Granted Patents)

Location History:

Calgary, CA (2000 - 2003)
Riyadh, GB (2004)

Company Filing History:

9 out of 478

Nova Chemicals (International) S.a.

patents

Years Active: 2000-2004

Loading Chart...

9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6794329 - Catalyst activator (2004-09-21),

2. 6649558 - Bis-phosphinimine catalyst (2003-11-18),

3. 6380333 - Group 8, 9 or 10 olefin copolymerization catalyst (2002-04-30),

4. 6339161 - Group 8, 9 or 10 transition metal catalyst for olefin polymerization (2002-01-15),

5. 6239238 - Bis-phosphinimine catalyst (2001-05-29),

6. 6239237 - Group 8, 9 or 10 transition metal catalyst for olefin polymerization (2001-05-29),

7. 6239061 - Aluminum-phosphinimine complexes as catalysts for the (co)polymerization of ethylene (2001-05-29),

8. 6147172 - Phosphinimine/heteroatom catalyst component (2000-11-14),

9. 6133387 - Group 8, 9 or 10 olefin copolymerization catalyst (2000-10-17),

Title: Innovations of Wei Xu in Catalyst Technology

Introduction

Wei Xu is a prominent inventor based in Calgary, Canada. He has made significant contributions to the field of catalyst technology, holding a total of 9 patents. His work primarily focuses on organometallic complexes and their applications in olefin polymerization.

Latest Patents

One of Wei Xu's latest patents involves a catalyst activator that utilizes bis-phosphinimine catalysts. These organometallic complexes feature two phosphinimine ligands and at least one activatable ligand, which serve as catalyst components for olefin polymerization. The preferred polymerization systems are created by combining these organometallic complexes with an ionic activator and/or an alumoxane. Notably, the catalyst components often contain titanium, zirconium, or hafnium, which are activated with an ionic activator to form effective catalysts for ethylene polymerization.

Career Highlights

Wei Xu has worked with notable companies in the chemical industry, including Nova Chemicals. His experience in these organizations has allowed him to develop and refine his innovative approaches to catalyst technology.

Collaborations

Wei Xu has collaborated with esteemed colleagues such as Qinyan Wang and Xiaoliang Gao, contributing to advancements in their shared field of expertise.

Conclusion

Wei Xu's innovative work in catalyst technology has led to significant advancements in olefin polymerization. His contributions are recognized through his numerous patents and collaborations with industry professionals.

Profile summary based on public USPTO records.