Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883826 | Tertiary amine-containing polyols prepared in a mannich condensation reaction using a mixture of alkanolamines | J. E. Marugg, Michael A. P. Gansow | 1989-11-28 |
JT
J. A. Thoen
Overall (1989): #101,697 of 140,708Top 75%
1
Patents 1989