Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12037184 | Aluminum container containing dicarbonate | Karl-Joachim Schoebben, Christoph Hofmann, Marcus Taupp | 2024-07-16 |
| 10800728 | Method for producing dialkyldicarbonates using tertiary amines as catalysts | Christoph Hofmann | 2020-10-13 |
| 9375030 | Method for preserving drinks | Manfred Hoffmann, Ingo Broda | 2016-06-28 |
| 9145518 | Stabilization of pyrocarbonic acid diesters by finely divided solids | Johannes Kaulen | 2015-09-29 |
| 9102613 | Method for producing sorbic anhydride and also use thereof as a preservative in foods | Ralf Krahwinkel, Robert Markert, Edwin Ritzer | 2015-08-11 |
| 8710258 | Stabilization of dicarbonate diesters with protonic acids | Steffen Kahlert, Johannes Kaulen | 2014-04-29 |
| 8569540 | Stabilization of dicarbonate diesters with protonic acids | Steffen Kahlert, Johannes Kaulen | 2013-10-29 |
| 8466308 | Stabilization of diesters of dicarbonic acid | Steffen Kahlert, Johannes Kaulen | 2013-06-18 |
| 8440719 | Preservatives based on carboxylic anhydrides | Johannes Kaulen, Edwin Ritzer, Manfred Hoffmann | 2013-05-14 |
| 8207224 | Preservatives based on carboxylic anhydrides | Johannes Kaulen, Edwin Ritzer, Manfred Hoffmann | 2012-06-26 |
| 8207368 | Stabilization of diesters of dicarbonic acid | Steffen Kahlert, Johannes Kaulen | 2012-06-26 |
| 8114425 | Process for the production of wood-based materials | Steffen Donath, Thomas Jaetsch, Peter Spetmann, Tobias Zahlmann, Andreas Böttcher | 2012-02-14 |
| 8048903 | 5-iodotetrazoles | Hermann Uhr, Rainer Bruns, Martin Kugler, Oliver Kretschik, Bernhard Neumann | 2011-11-01 |
| 7884118 | 1-cycloalkyl-5-iodotetrazoles | Rainer Bruns, Martin Kugler, Hermann Uhr, Oliver Kretschik | 2011-02-08 |
| 6992201 | Process for preparing phosphites and transition metal complexes | Ulrich Scholz, Arne Gerlach, Jorma Hassfeld | 2006-01-31 |