Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354869 | 3,6-bis-(2'-methoxyphenyl)-2,5-dihydro-2,5-dimethyl-pyrrolo -(3,4-c)-pyrrole-1,4-dione compound | Heinz Langhals | 1994-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354869 | 3,6-bis-(2'-methoxyphenyl)-2,5-dihydro-2,5-dimethyl-pyrrolo -(3,4-c)-pyrrole-1,4-dione compound | Heinz Langhals | 1994-10-11 |