Issued Patents 2002
Showing 1–2 of 2 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 |