Yu; Shijiong

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yu; Shijiong.The latest application filed is for "catalysts for ethylene polymerization, main catalyst components thereof and process for preparing the same".

Company Profile

0.5.6

Yu; Shijiong - Shanghai CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Main catalyst component for olefin polymerization, a process for preparing the same and a catalyst comprising the same Grant 7,985,814 - Xiao , et al. July 26, 2	2011-07-26
Catalyst for ethylene polymerization, preparation thereof, and method for controlling the polymerization kinetic behavior of said catalyst Grant 7,867,939 - Xiao , et al. January 11, 2	2011-01-11
Catalysts for ethylene polymerization, main catalyst components thereof and process for preparing the same App 20090005524 - Xiao; Mingwei ; et al.	2009-01-01
Solid main catalyst component for ethylene polymerization, a process for preparing the same and a catalyst containing the same Grant 7,405,176 - Xiao , et al. July 29, 2	2008-07-29
Polyethylene catalyst and a process for preparing the same Grant 7,354,981 - Xiao , et al. April 8, 2	2008-04-08
Catalyst For Ethylene Polymerization, Preparation Thereof, And Method For Controlling The Polymerization Kinetic Behavior Of Said Catalyst App 20080027191 - Xiao; Mingwei ; et al.	2008-01-31
Catalyst for polymerization of ethylene, preparation thereof and use of the same Grant 7,300,902 - Xiao , et al. November 27, 2	2007-11-27
Main catalyst component for olefin polymerization, a process for preparing the same and a catalyst comprising the same App 20070213482 - Xiao; Mingwei ; et al.	2007-09-13
Catalyst for polymerization of ethylene, preparation thereof and use of the same App 20060094589 - Xiao; Mingwei ; et al.	2006-05-04
Polyethylene catalyst and a process for preparing the same App 20050170949 - Xiao, Ming Wei ; et al.	2005-08-04
Solid main catalyst component for ethylene polymerization, a process for preparing the same and a catalyst containing the same App 20040248729 - Xiao, Mingwei ; et al.	2004-12-09

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.