🇺🇸 FDA
Patent

US 6747105

Bis-Schiff base ligand-containing mono-metallocene olefin polymerization catalyst, its preparation process and application

expired A61PA61P29/00

Quick answer

US patent 6747105 (Bis-Schiff base ligand-containing mono-metallocene olefin polymerization catalyst, its preparation process and application) held by East China University of Science and Technology expires Mon Jun 03 2024 00:00:00 GMT+0000 (Coordinated Universal Time). Status: expired.

Key facts

Applicant
East China University of Science and Technology
Grant date
Tue Jun 08 2004 00:00:00 GMT+0000 (Coordinated Universal Time)
Expiration
Mon Jun 03 2024 00:00:00 GMT+0000 (Coordinated Universal Time)
Claims
10
CPC classes
A61P, A61P29/00