Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6867301 | Oxidation process for highly dispersible quinacridone pigments | Edward E. Jaffe, Linda SnyderAllen | 2005-03-15 |
| 6180315 | Compositions for making structured color images and application thereof | John S. Zambounis, Abul Iqbal, Zhimin Hao, Henri Dubas | 2001-01-30 |
| 6120944 | Highly transparent, color-pigmented high molecular weight material | Eric Tinguely, Veronique Hall-Goulle, Heinz Wolleb, Zhimin Hao, Abul Iqbal | 2000-09-19 |
| 6063549 | Wet-chemical, developable, etch-stable photoresist for UV radiation with a wavelength below 200 nm | Manfred Hofmann, Norbert Muenzel, Arnold Grubenmann | 2000-05-16 |
| 6040108 | Compositions for making structured color images and application thereof | John S. Zambounis, Abul Iqbal, Zhimin Hao, Henri Dubas | 2000-03-21 |
| 6010567 | Black-pigmented structured high molecular weight material | Eric Tinguely, Veronique Hall-Goulle, Gerardus De Keyzer | 2000-01-04 |
| 5879855 | Compositions for making structured color images and application thereof | John S. Zambounis, Abul Iqbal, Zhimin Hao | 1999-03-09 |
| 5397680 | Positive photoresist having improved processing properties | Norbert Munzel | 1995-03-14 |
| 5380881 | Acid labile solution inhibitors and positive- and negative-acting photosensitive composition based thereon | — | 1995-01-10 |
| 5369200 | Positive photoresist having improved processing properties | Norbert Munzel | 1994-11-29 |
| 5274060 | Copolymers crosslinkable by acid catalysis | — | 1993-12-28 |
| 5238781 | Photosensitive compositions based on polyphenols and acetals | — | 1993-08-24 |
| 5210003 | Acid labile dissolution inhibitors and positive- and negative-acting photosensitive composition based thereon | — | 1993-05-11 |