Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8114263 | Polyvinylammonium compound, method of manufacturing same, acidic solution containing said compound and method of electrolytically depositing a copper deposit | Wolfgang Dahms, Philip Hartmann | 2012-02-14 |
| 7872130 | Mixture of oligomeric phenazinium compounds and acid bath for electrolytically depositing a copper deposit | Heiko Brunner, Wolfgang Dahms, Thomas Moritz, Akif Özkök | 2011-01-18 |
| 7786303 | Acidic bath for electrolytically depositing a copper deposit containing halogenated or pseudohalogenated monomeric phenazinium compounds | Heiko Brunner, Wolfgang Dahms | 2010-08-31 |
| 7153449 | Acidic treatment liquid and method of treating copper surfaces | Uwe Hauf, Harry Fuerhaupter, Alexey Stiop | 2006-12-26 |
| 6723385 | Process for the preliminary treatment of copper surfaces | Heinrich Meyer, Uwe Hauf | 2004-04-20 |
| 6652728 | Cyanide-free aqueous alkaline bath used for the galvanic application of zinc or zinc-alloy coatings | Birgit Sonntag, Barrie Sydney James | 2003-11-25 |
| 6593249 | Method for forming a metal pattern on a dielectric substrate | Heinrich Meyer | 2003-07-15 |
| 6562149 | Solution and process to pretreat copper surfaces | Heinrich Meyer | 2003-05-13 |