Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7479305 | Immersion plating of silver | Hans-Jürgen Schreier | 2009-01-20 |
| 6869637 | Bath and method of electroless plating of silver on metal surfaces | Carl Hutchinson, Christian Sparing | 2005-03-22 |
| 6698648 | Method for producing solderable and functional surfaces on circuit carriers | Christian Wunderlich, Petra Backus | 2004-03-02 |
| 6336962 | Method and solution for producing gold coating | Petra Backus, Christian Wunderlich | 2002-01-08 |
| 5882736 | palladium layers deposition process | Ludwig Stein, Waltraud Strache | 1999-03-16 |
| 5705219 | Method for coating surfaces with finely particulate materials | Jurgen Besenhard, Olaf Claussen, Hans Gausmann, Heinrich Meyer | 1998-01-06 |
| 4966786 | Conditioning means for printed circuits | Hans-Jurgen Ehrich | 1990-10-30 |
| 4929422 | Process for the adhesive metallization of synthetic materials | Michael C. Romer, Gunther Rosskamp, Hubert-Matthias Seidenspinner, Ludwig Stein, Waltraud Strache | 1990-05-29 |
| 4611554 | Method and device for the treatment of printed circuit boards | Horst Blasing | 1986-09-16 |
| 4517254 | Adhesive metallization of polyimide | Joachim Grapentin, Jurgen Skupsch | 1985-05-14 |
| 4285991 | Method for producing printed circuits | Klaus Gedrat, Hans-Jurgen Ehrich, Joachim Wolff | 1981-08-25 |
| 4262085 | Process for preparation of metal patterns on insulating carrier materials | Hans-Jurgen Ehrich | 1981-04-14 |
| 4248632 | Solution and process for the activation of surfaces for metallization | Hans-Jurgen Ehrich, Wolfgang Clauss | 1981-02-03 |