Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4402882 | Process for the production of diphosphaspiro compounds | — | 1983-09-06 |
| 4247672 | Heat-curable mixtures based on polyimides and poly-.beta.-iminocrotononitriles | Theobald Haug | 1981-01-27 |
| 4229351 | Process for producing aliphatically N-substituted maleimides | Theobald Haug | 1980-10-21 |