Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806616 | N-N'-dialkylphenylenediamines as curing agents in polyurethane and polyurea manufacture by reaction injection molding | William M. Baumann, Ray V. Scott, Jr., David W. House | 1989-02-21 |