Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876380 | Color reduction of polymeric isocyanates via multiple solvent fractionation | Lao-Jer Chen | 1989-10-24 |
SL
Steven B. Lowenkron
Overall (1989): #55,192 of 140,708Top 40%
1
Patents 1989