Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882410 | Molding compounds comprising a thermoplastically processible aromatic polyester imide | Wolfgang Neugebauer | 1989-11-21 |
| 4851496 | Molding material comprising a thermotropic, aromatic polyester from bis(carboxy phenoxy)diphenyl sulfone | Wolfgang Neugebauer, Martin Bartmann, Juergen Finke | 1989-07-25 |
| 4843140 | Aromatic polyesters based on phenoxyterephthalic acid, and methods of manufacturing and using same | Martin Bartmann | 1989-06-27 |
| 4814416 | Molding compounds comprised of a thermotropic aromatic polyester | — | 1989-03-21 |