Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564438 | Styrene-dialkyl maleate copolymers as dewaxing agents | Sophia Wang | 1986-01-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4564438 | Styrene-dialkyl maleate copolymers as dewaxing agents | Sophia Wang | 1986-01-14 |