Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5846332 | Thermally floating pedestal collar in a chemical vapor deposition chamber | Jun Zhao, Ashok Sinha, Avi Tepman, Mei Chang, Lee Luo +4 more | 1998-12-08 |
| 5808138 | Stable polyisocyanate copositions obtainable by phosgene-free methods and their preparation | Gerhard Laqua, Bernd Bruchmann | 1998-09-15 |
| 5643364 | Plasma chamber with fixed RF matching | Jun Zhao, Kenneth Smyth, William Taylor, Gerald McNutt | 1997-07-01 |
| 5641851 | Preparation of biuret-containing polyisocyanates | Wolfgang Heider, Werner Langer, Hans Renz | 1997-06-24 |
| 5558717 | CVD Processing chamber | Jun Zhao, Tom K. Cho, Charles Dornfest, Kevin Fairbairn, Xin Sheng Guo +2 more | 1996-09-24 |
| 5489663 | Preparation of polyisocyanates containing isocyanurate groups and use thereof | Peter Brandt, Bernd Bruchmann, Gerhard Laqua, Franz Merger, Andreas Otterbach +3 more | 1996-02-06 |
| 5436336 | Preparation of isocyanurate- and/or uretidone-containing polysiocyanates having a reduced color index and improved shelf life, and products prepared by this method | Bernd Bruchmann, Konrad Stiefenhoefer | 1995-07-25 |
| 5369207 | Preparation of low-viscosity, isocyanurate and urethane group-containing polyisocyanate mixtures | Hans Renz, Guenter Mohrhardt | 1994-11-29 |