Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014937 | Pro-fragrances and method of preparation thereof | Andre Haetzelt, Andreas Bauer, Marc Weyhe, Thomas Gerke, Christian Kropf | 2021-05-25 |
| 11014938 | Compositions comprising precursors for volatiles | Andre Haetzelt, Andreas Bauer, Marc Weyhe, Thomas Gerke, Christian Kropf | 2021-05-25 |
| 10457895 | Washing or cleaning agent for reducing malodors | Christian Kropf, Matthias Sunder, Peter Schmiedel, Marc Weyhe, Stefan Kaskel +2 more | 2019-10-29 |
| 10392579 | Photolabile pro-fragrances | Christian Kropf, Thomas Gerke, Axel Griesbeck, Agnieszka Landes | 2019-08-27 |
| 10235708 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Olga Hinze | 2019-03-19 |
| 10053412 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Agnieszka Landes | 2018-08-21 |
| 9981937 | Orthoformic acid esters as pro-fragrances | Christian Kropf, Thomas Gerke, Thomas Mueller, Julian Papadopoulos | 2018-05-29 |
| 9926258 | Photolabile pro-fragrances | Christian Kropf, Thomas Gerke, Axel Griesbeck, Agnieszka Landes | 2018-03-27 |
| 9885008 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Olga Mayer | 2018-02-06 |
| 9862727 | Process for controlling malodors using oxazolidines | Marc Weyhe, Lukas Baron | 2018-01-09 |
| 9845449 | Stabilized perfume oils | Andreas Gerigk, Hubert Smyrek, Ralf Bunn, Andreas Bauer, Manuela Materne +3 more | 2017-12-19 |
| 9730875 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Agnieszka Landes | 2017-08-15 |
| 9593063 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Bjoern Porschen | 2017-03-14 |
| 9587206 | Combination of an amino alcohol, a fragrance and a silicic acid ester, and the use of same as a pro-fragrance | Andreas Bauer, Andreas Gerigk, Marc Weyhe, Thomas Gerke, Hubert Smyrek | 2017-03-07 |
| 9458081 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Agnieszka Landes | 2016-10-04 |
| 9321986 | Combinations of 1-aza-3,7-dioxabicyclo[3.3.0]octane compounds and silicic acid esters and the use of same as pro-fragrances | Andreas Bauer, Andreas Gerigk, Marc Weyhe, Thomas Gerke, Hubert Smyrek | 2016-04-26 |
| 9312041 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Olga Mayer | 2016-04-12 |
| 9284261 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Agnieszka Landes | 2016-03-15 |
| 9217222 | Prevention of body odour | Markus Egert, Andreas Bauer, Andreas Gerigk, Frank Pessel | 2015-12-22 |
| 9217126 | Photolabile fragrance storage substances | Christian Kropf, Axel Griesbeck, Olga Hinze, Uta Sundermeier | 2015-12-22 |
| 9068151 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Olga Mayer | 2015-06-30 |
| 9006168 | Odorant composition containing allyl ethers as odorant precursors | Christian Kropf, Thomas Gerke, Thomas Mueller, Jan Nordmann | 2015-04-14 |
| 8901064 | Microcapsule containing detergent or cleaning agent | Andreas Bauer, Matthias Sunder | 2014-12-02 |
| 8680040 | 1-aza-3,7-dioxabicyclo[3,3,0]octane compounds and monocyclic oxazolidines as pro-fragrances | Thomas Gerke, Silvia Sauf, Claudia Klink | 2014-03-25 |
| 8604250 | Photolabile pro-fragrances | Thomas Gerke, Christian Kropf, Axel Griesbeck, Olga Hinze | 2013-12-10 |