Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6747105 | Bis-Schiff base ligand-containing mono-metallocene olefin polymerization catalyst, its preparation process and application | Wei-Ming Chen, Yanlong Qian, Gang Zheng, Jiling Huang | 2004-06-08 |
| 6669033 | Suction-type rack | — | 2003-12-30 |
| 6193197 | Multipurpose suction-type connection seat | — | 2001-02-27 |