Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353057 | Catalyzing cationic resin and blocked polyisocyanate with bismuth carboxylate | Zhiqiang He, Werner J. Blank | 2002-03-05 |
| 6335304 | Metal salts of phosphoric acid esters as cross linking catalysts | Zhiqiang He, Werner J. Blank | 2002-01-01 |
| 5965686 | Zirconium urethane catalysts | Werner J. Blank, Zhiqiang He, John Florio | 1999-10-12 |
| 5846897 | Zirconium urethane catalysts | Werner J. Blank, Zhiqiang He, John Florio | 1998-12-08 |