Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837335 | Process for the preparation of pure 1-phenyl-3-carbalkoxy-5-hydroxypyrazoles | Hubert Stuckler | 1989-06-06 |
| 4408045 | Process for the preparation of partially etherified methylolmelamines | Gerhard Stern, Walter Raml | 1983-10-04 |
| 4369286 | Modified aminoplast resins containing methylolmelamine etherified with a monoalcohol as modifier | Hubert Czepel, Friedl Heger | 1983-01-18 |