Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8728505 | Synergistically active mixtures of α,ω-amino alcohol enantiomers, preparation thereof and use thereof in insect- and mite-repellent formulations | Burkhard Koch, Nikolaus Muller | 2014-05-20 |
| 8309732 | Process for preparing quaternary salts of piperidyl esters of mandelic acid | Denys Baskakov, Ralf Krahwinkel, Antje Hieronymi | 2012-11-13 |
| 7888515 | Method for the production of N,N-carbonyldiazoles | Bernd Griehsel, Johannes Scherer | 2011-02-15 |
| 7154003 | Process for preparing phthaloyl chloride | — | 2006-12-26 |
| 7102012 | Process for preparing N,N'-carbonyldiazoles | Bernd Griehsel | 2006-09-05 |