Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827008 | Preparation of alkoxysilanes containing a low level of chlorine compounds | Charalampos Gousetis, Knut Oppenlaender, Guenter Frey | 1989-05-02 |
| 4810404 | Nitrite- and phosphate-free glycol-based coolant mixtures | Charalampos Gousetis, Knut Oppenlaender, Guenter Frey | 1989-03-07 |