Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102992 | Method of producing prepolymers from hydroxyalkyl lignin derivatives | Wolfgang G. Glasser, Willer de Oliveira, Stephen S. Kelley | 1992-04-07 |
| 5066790 | Method of producing star-like polymers from lignin | Wolfgang G. Glasser, Willer de Oliveira, Stephen S. Kelley | 1991-11-19 |
| 4918167 | Method of producing prepolymers from hydroxyalkyl lignin derivatives | Wolfgang G. Glasser, Willer de Oliveira, Stephen S. Kelley | 1990-04-17 |