Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9086191 | Method for safely preventing backflowing in the conveying of a fluid | Franz Borgel, Mirko Kreitschmann, Anton Meier, Frank-Friedrich Pape, Wolfgang Reif +1 more | 2015-07-21 |
| 8791302 | Process for preparing an N,N-dialky-ethanolamine having high color stability | Frank-Friedrich Pape, Johann-Peter Melder, Roland Bou Chedid, Martin Rudloff | 2014-07-29 |
| 8734617 | Process for preparing N,N-dimethylaminoethoxyethanol | Frank-Friedrich Pape, Johann-Peter Melder, Bernd Stein, Joachim-Thierry Anders, Frank Haese | 2014-05-27 |
| 7307194 | Method for producing 1, 6 hexane diol | Tilman Sirch, Gerd-Dieter Tebben, Ludwig E. Heck, Armin Diefenbacher, Franz Borgel | 2007-12-11 |
| 6132703 | Cosmetic and pharmaceutical preparations containing photostable UV filters | Thorsten Habeck | 2000-10-17 |
| 6013803 | Sterically hindered 4-amino-piperidine with a low dimer content, its production and use | Manfred Julius, Harald Rust, Hardo Siegel, Wolfgang Siegel, Tom Witzel | 2000-01-11 |
| 6011157 | Process for purifying sterically hindered 4-amino piperidines | Manfred Julius, Harald Rust, Hardo Siegel, Wolfgang Siegel, Tom Witzel | 2000-01-04 |
| 5973040 | Tetramethylpiperidine-containing copolymers | Alexander Aumuller, Hubert Trauth, Albin Berger, Andreas Deckers | 1999-10-26 |
| 5821380 | 2-cyanoacrylic esters | Martin Holderbaum, Alexander Aumuller, Hubert Trauth, Guido Voit, Karin Sperling | 1998-10-13 |
| 5710228 | Maleimide/.alpha.-olefin copolymers and their use as light stabilizers and stabilizers for organic material | Walter Denzinger, Albert Hettche, Alexander Aumueller, Hubert Trauth | 1998-01-20 |
| 5670613 | N-vinyl-containing glycoluril derivatives and their use as light stabilizers and stabilizers for organic material | Alexander Aumueller, Eckhard Korona, Hubert Trauth | 1997-09-23 |
| 5504211 | Polyalkylpiperidinyl-containing .beta.-aminoacrylic ester derivatives | Alexander Aumueller, Hubert Trauth | 1996-04-02 |
| 5434202 | N-(.beta.-carbony- and .beta.-cyanovinyl)-2,2,6,6-tetramethyl-piperidine derivatives | Alexander Aumueller, Hubert Trauth | 1995-07-18 |