Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837276 | Phosphorus-containing oligomers and polymers containing polyphenylene ether blocks and mixtures of other plastics therewith | Friedemann Muller, Karl-Heinz Ott | 1989-06-06 |