Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876380 | Color reduction of polymeric isocyanates via multiple solvent fractionation | Steven B. Lowenkron | 1989-10-24 |
LC
Lao-Jer Chen
Overall (1989): #85,060 of 140,708Top 65%
1
Patents 1989