Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6888006 | Method for processing pyrollidone and n-vinyl pyrollidone residues | Martin Schmidt-Radde, Gerhard Laqua, Ulrich Eiden, Stephan Scholl, Christoph Übler | 2005-05-03 |
| 6703511 | Method for obtaining pure n-vinyl pyrrolidone | Bernd Eck, Jorg Heilek, Martin Schmidt-Radde | 2004-03-09 |
| 5948945 | Prevention of spontaneous decomposition of gaseous acetylene | Rudolf Erich Lorenz, Martin Schmidt-Radde, Hans-Peter Schildberg, Gunter Saladin | 1999-09-07 |
| 5723685 | Preparation of monovinyl ethers | Marc Heider, Thomas Ruhl, Martin Schmidt-Radde, Jochem Henkelmann | 1998-03-03 |
| 5710284 | Purification of N-vinylpyrrolidone by crystallization | Martin Schmidt-Radde, Bernd Eck, Bernhard Maltry | 1998-01-20 |
| 5461159 | Binding chemical impurities contained in crude N-vinylpyrrolid-2-one | Brigitta Huckestein, Rainer Blankenburg | 1995-10-24 |
| 4614604 | Lubricants for shaping polyvinyl chloride, which contain esterified oligomeric polyhydric alcohols | Wolf-Dieter Balzer, Guenter Hatzmann, Wolfram Dietsche, Albert Hettche, Stefan Weiss | 1986-09-30 |
| 4294576 | Removal of oligomer deposits from textile materials | Friedrich Reinert, Paul Anthony Richter, Michele Vescia, Dieter Wegerle | 1981-10-13 |
| 4275244 | Linear polyalkylene ether glycols of high molecular weight | Pauls Davis | 1981-06-23 |
| 4207199 | Solid cold bleach activators for detergents and cleaning agents containing an active oxygen donor | Johannes Perner | 1980-06-10 |