Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889938 | 1,4-Oxathianones and 1,4-oxathiepanones | Hermann O. Wirth | 1989-12-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889938 | 1,4-Oxathianones and 1,4-oxathiepanones | Hermann O. Wirth | 1989-12-26 |