Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314986 | Phenolic resins from bisphenol a residual resins and mixtures of chloro-substituted hydrocarbons, and the use of specific phenolic resins as homogenizers for rubber vulcanizates | Heinrich Schrage, Hans-Josef Buysch, Rene Loix, Hans-Joachim Graf | 1994-05-24 |
| 5292712 | Thermoreactive recording material having particular stability | Gunter Klug, Heinrich Schrage, Hans-Josef Buysch | 1994-03-08 |