Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557269 | Method and device for reducing the volume or pressure of a fluid which is driven through an opening by moving surfaces | Dietrich Schüler, Ewald G. Welp, Bruno Holtmann, Armin Hutzenlaub | 2003-05-06 |
| 6413314 | Doctor rod for a coating device | Ulrich Schoof | 2002-07-02 |
| 6127091 | Photopolymerizable composition and photopolymerizable recording material prepared using this composition | Ulrich Geissler, Hans-Dieter Frommeld | 2000-10-03 |
| 6114091 | Photopolymerizable composition containing an N-heterocyclic photoinitiator | Ulrich Geissler, Hans-Dieter Frommeld | 2000-09-05 |
| 5766350 | Applicator system for a web-coating apparatus | Ingo Becker, Gerhard Wohlfeil, Reinhard Knop | 1998-06-16 |
| 5015554 | Positive radiation-sensitive mixture | Gabriele Lambert | 1991-05-14 |
| 4983501 | Positive-working radiation-sensitive composition and radiation-sensitive recording material prepared therewith | — | 1991-01-08 |
| 4966828 | Carbonylmethylene-heterocyclic compounds containing trihalogenomethyl groups, process for their preparation, and light-sensitive mixture containing the compounds | Reinhard Doenges, Ulrich Geissler, Hartmut Steppan | 1990-10-30 |
| 4887547 | Apparatus for continuously applying a uniform coating to a material web | Herbert Sommer | 1989-12-19 |
| 4853314 | Positive-working radiation-sensitive coating solution and positive photoresist material with monoalkyl ether of 1,2-propanediol as solvent | Ralf Ohlenmacher | 1989-08-01 |
| 4789619 | Positive-working radiation-sensitive mixture comprising a sensitizing polymethine dye | Joachim Knaul | 1988-12-06 |
| 4764450 | Positive-working radiation-sensitive coating solution and positive photoresist material with monomethyl ether of 1,2-propanediol as solvent | Ralf Ohlenmacher | 1988-08-16 |
| 4619885 | Photopolymerizable composition comprising a 1,3,10-triazaanthracen-4-one as the photoinitiator | Rainer Wingen, Ulrich Geissler | 1986-10-28 |
| 4506003 | Positive-working radiation-sensitive mixture | Gerhard Buhr, Hartmut Steppan | 1985-03-19 |
| 4506006 | Process for preparing relief images in imaged irradiated light-sensitive material having acid-cleavable compound by hot air treatment, overall irradiation and alkaline development | — | 1985-03-19 |
| 4409314 | Light-sensitive compounds, light-sensitive mixture, and light-sensitive copying material prepared therefrom | Gerhard Buhr, Paul Stahlhofen | 1983-10-11 |
| 4401520 | Process for the preparation of screen printing stencils by an electroplating method | Hartmut Steppan, Barbara Wildenhain | 1983-08-30 |
| 4311782 | Radiation-sensitive mixture and process for the production of relief images | Gerhard Buhr | 1982-01-19 |
| 4266001 | Light-sensitive mixture | Gerhard Buhr | 1981-05-05 |
| 4250247 | Acid degradable radiation-sensitive mixture | Jurgen Sander, Gerhard Buhr | 1981-02-10 |
| 4247611 | Positive-working radiation-sensitive copying composition and method of using to form relief images | Jurgen Sander, Gerhard Buhr | 1981-01-27 |
| 4231852 | Device for cathodic corrosion protection employing an external current anode | — | 1980-11-04 |