Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5330570 | Preparation and method for coating glass vessels | Hartmut Gomm, Dirk Naumann | 1994-07-19 |
| 5314534 | Preparation and method for coating glass vessels | Hartmut Gomm, Dirk Naumann | 1994-05-24 |
| 5269970 | Electrically conductive tin-IV-oxide and method for production thereof | Erich Ruf, Gerd Dembinski, Hartmut Gomm, Hans-Gunter Krohm | 1993-12-14 |
| 5246623 | Method for the preparation of electrically conductive tin-IV-oxide of fine-particle size and the use of tin-IV-oxide as filler and pigment | Astrid Klapdor | 1993-09-21 |
| 5116468 | Method for the preparation of finely divided, electrically conductive tin(IV) oxide | Dirk Naumann, Frank Honselmann | 1992-05-26 |
| 4983750 | Phosphobetaines, methods for their synthesis and their use especially for industrial purposes | Hans-Joachim Kollmeier | 1991-01-08 |