Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368389 | Method for separating vaporous phthalic acid anhydride from a gas stream | Gerhard Birke, Martin Hirsch | 2002-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368389 | Method for separating vaporous phthalic acid anhydride from a gas stream | Gerhard Birke, Martin Hirsch | 2002-04-09 |