Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808692 | Preparation of advanced epoxy resins from epoxy resins and dihydric phenols in the presence of phosphonium compounds | Loan A. Ho | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808692 | Preparation of advanced epoxy resins from epoxy resins and dihydric phenols in the presence of phosphonium compounds | Loan A. Ho | 1989-02-28 |