Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174236 | Method for preparation of 1,4-sorbitan | Jieping Wei, Yanling Yang, Daniel Shan, Reta Zhu, Dieter Scherer | 2021-11-16 |
| 11001552 | Method for preparation of 5-fluoro-2-methyl-3-nitrobenzoic acid and its methyl ester | Michael Bersier, Anna Kulesza, Christof Aellig, Sarah Filliger | 2021-05-11 |
| 10689350 | Method for preparation of chlorinated s-propylthiobarbituric acid | Michael Bersier, Candid STOFFEL | 2020-06-23 |
| 9394238 | Process for the production of carnitine from β-lactones | Ellen Klegraf | 2016-07-19 |
| 9156771 | Process for the preparation of enolate salts of 4-fluoro-2-hydroxymethylene-3 oxo-butyrates | Martina Eichenberger, Florencio Zaragoza Dörwald | 2015-10-13 |
| 8563752 | Process for the production of carnitine by cycloaddition | Ellen Klegraf, Stephan Elzner, Wilhelm Quittmann, Daniel Fischer | 2013-10-22 |
| 8337796 | Process for removing hydrogen cyanide from ethanedinitrile | Ellen Klegraf, Wolfgang Wenger | 2012-12-25 |
| 8044246 | Process for the selective preparation of acetaldehyde from acrolein and one or more ammonium salts dissolved in water | Wolfgang Wenger, Andreas HEYL, Lothar Ott, Herbert Vogel, Gökhan Aras | 2011-10-25 |
| 7781601 | Method for the production of 6,6,6-trihalo-3,5-dioxohexanoic acid esters | Wolfgang Wenger | 2010-08-24 |
| 7358393 | Method for preparing β-alaninamides | Stefan Hildbrand | 2008-04-15 |
| 7351851 | Method for the production of 6,6,6-trihalo-3,5-dioxohexanoic acid esters | Wolfgang Wenger | 2008-04-01 |
| 7348450 | Method for the production of 6,6,6-trihalo-3,5-dioxohexanoic acid esters | Wolfgang Wenger | 2008-03-25 |
| 7030204 | Novolak cyanate-based prepolymer compositions | Martin Gmur, Ulrich Daum, Brigitta Heyl-Frank, Alessandro Falchetto | 2006-04-18 |
| 6949677 | Acetoacetylated N-phenyl-p-phenylenediamines | Uta Glufke | 2005-09-27 |
| 6891049 | Method for producing N-alkoxy-N-alkylamides | Stefan Hildbrand, Etienne Sterren | 2005-05-10 |
| 6734324 | Method for producing acetoacetylated aromatic amines | Uta Glufke | 2004-05-11 |
| 6700010 | Method for producing cyanoacetic acid esters | Stefan Hildbrand | 2004-03-02 |
| 6689918 | Method for producing dicarbonyl compounds | Uta Glufke | 2004-02-10 |
| 6680409 | Process for the preparation of robenidine and salts thereof | Stefan Hildbrand | 2004-01-20 |
| 6384242 | Geranic acid derivatives | Peter Fankhauser, Barry Jackson | 2002-05-07 |
| 6350898 | Process for preparing malonic esters | Stefan Hildbrand | 2002-02-26 |
| 6239307 | Process for preparing cyanoacetic esters | Stefan Hildbrand | 2001-05-29 |
| 6127548 | Process for the preparation of formylimidazoles | Hanspeter Mettler | 2000-10-03 |
| 6002062 | Process for the preparation of ethynylcyclopropane | Dominique Michel | 1999-12-14 |
| 5756826 | Process for preparing acetoacetates | — | 1998-05-26 |