Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11724996 | Synthesis of intermediates for the preparation of alpha-tocopherol | Ulla Letinois, August Ruettimann | 2023-08-15 |
| 11447459 | Use of substituted chroman-6-ols with extended lipophilic side chains | Laure CLASADONTE, Andre Duesterloh, Weerasinghe M. Indrasena, René Tobias Stemmler | 2022-09-20 |
| 11078178 | 6-chromanol derivatives and their synthesis | Raphael Beumer, Werner Bonrath, Jan-Marc Delpho, Marcel Joray, Jonathan Alan Medlock +2 more | 2021-08-03 |
| 10047065 | Formation of chromanes based on intermolecular reaction of alkynes with dimethylfuran in the presence of gold(I) complexes | Ulla Letinois | 2018-08-14 |
| 10029970 | Method for producing specific α, β-unsaturated aldehydes | Werner Bonrath, Jan Schuetz, Bettina Wuestenberg | 2018-07-24 |
| 9981935 | Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of acids | Jonathan Alan Medlock, Ulla Letinois, Werner Bonrath | 2018-05-29 |
| 9957228 | Process of production of 7,8-dihydro-C15-aldehyde | Werner Bonrath, Jan Schuetz, Bettina Wuestenberg | 2018-05-01 |
| 9908847 | Method for producing specific α,β-unsaturated aldehydes by rearrangement process | Werner Bonrath, Jan Schuetz, Bettina Wuestenberg | 2018-03-06 |
| 9902674 | Process of production of 2,5-dimethylphenol | Werner Bonrath, Ulla Letinois | 2018-02-27 |
| 9815809 | Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of phenols or thiophenols | Ulla Letinois | 2017-11-14 |
| 9809565 | Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of ureas or thioureas | Ulla Letinois, Stephan ACKERMANN | 2017-11-07 |
| 9611200 | (6R,10R)-6,10,14-trimetylpentadecan-2-one prepared from 6,10,14 trimetylpentadeca-5,9,13-trien-2-one or 6,10,14-trimetylpentadeca-5,9-dien-2-one | Werner Bonrath, Jonathan Alan Medlock, René Tobias Stemmler, Johannes Tschumi, Gerardus Karel Maria Verzijl +1 more | 2017-04-04 |
| 9573872 | Using mixtures of E/Z isomers to obtain quantitatively specific products by combining asymmetric hydrogenation and isomerization | Werner Bonrath, Jonathan Alan Medlock, René Tobias Stemmler, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries | 2017-02-21 |
| 9561989 | Process of asymmetric hydrogenation of ketals and acetals | Werner Bonrath, Jonathan Alan Medlock, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries | 2017-02-07 |
| 9458076 | Using mixtures of E/Z isomers to obtain quantitatively specific products by combined asymmetric hydrogenations | Werner Bonrath, Jonathan Alan Medlock, René Tobias Stemmler, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries | 2016-10-04 |
| 9452961 | (6R,10R)-6,10,14-trimetylpentadecan-2-one prepared from 6,10-dimetylundec-5-en-2-one or 6,10-dimetylundeca-5,9-dien-2-one | Werner Bonrath, Jonathan Alan Medlock, René Tobias Stemmler, Johannes Tschumi, Gerardus Karel Maria Verzijl +1 more | 2016-09-27 |
| 9447017 | Process for the production of 4-alkanoyloxy-2-methylbutanoic acid | Werner Bonrath, Jan Schütz, Bettina Wüstenberg | 2016-09-20 |
| 9309194 | Intermediates for the vitamin A and β-carotene synthesis | Werner Bonrath, Jan Schütz, Bettina Wüstenberg | 2016-04-12 |
| 9227907 | Acid chloride | Werner Bonrath, Jan Schütz, Bettina Wüstenberg | 2016-01-05 |
| 9067877 | Process for the production of 1,3,3-trimethyl-2-(3-methylpent-2-en-4-ynyl)cyclohex-1-ene | Werner Bonrath, Jan Schütz, Bettina Wüstenberg | 2015-06-30 |
| 9045402 | Process for preparing chiral quinone | Gerhard Schiefer, Alexander Lucia Leonardus Duchateau | 2015-06-02 |
| 9040742 | Catalytic synthesis of vitamin A intermediate | Werner Bonrath, Bettina Wuestenberg, Jan Schuetz | 2015-05-26 |
| 8987480 | Process of separating chiral isomers of chroman compounds and their derivatives and precursors | Gerhard Schiefer, Alexander Lucia Leonardus Duchateau | 2015-03-24 |
| 8809591 | Process for the manufacture of TMHQ | Werner Bonrath, Jan Schütz, Bettina Wüstenberg | 2014-08-19 |
| 8802898 | Isomerization of β-keto-allenes | Werner Bonrath, Reinhard Karge, Yann Pressel | 2014-08-12 |