Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524272 | Adsorbent and packaging material | Hubertus Besting, Gabriele Hölzl, Alexander Mayerhofer | 2022-12-13 |
| 9238785 | Method for biodiesel and biodiesel precursor production | Ulrich Sohling, Beate Geissler, Herminia Millan | 2016-01-19 |
| 8987487 | Method for removing phosphorus-containing compounds from triglyceride-containing compositions | Ulrich Sohling, Andrea Stege | 2015-03-24 |
| 8778190 | Method for processing waste water loaded with nitrogen-containing compounds | Gerhard Kummer, Manfred Frauenrath, Johannes Lautenschlager, Gotz Burgfels | 2014-07-15 |
| 8637300 | Magnetic glass particles for use in biogas plants, fermentation and separation processes | Ulrich Sohling, Elisabeth Neitmann, Bernd Linke, Jan Mumme, Patrice Ramm +3 more | 2014-01-28 |
| 8394975 | Amorphous adsorbent, method of obtaining the same and its use in the bleaching of fats and/or oils | Jose Antonio Ortiz Niembro, Germán Solis Santamaria, Erik Thomassiny Villaurrutia | 2013-03-12 |
| 6277490 | Color developer pigment for carbonless copying paper | — | 2001-08-21 |
| 5637552 | Process for producing neutral to alkali color developer pigments | Reinhard Hahn | 1997-06-10 |
| 5423911 | Coating pigment for cellulose - based printing media | Helmut Coutelle, Joachim Hlavatsch, Hartmann Schott | 1995-06-13 |
| 5401568 | Coated fillers having silicic acid for heat-sensitive recording materials | Reinhard Hahn | 1995-03-28 |
| 5039377 | Bleaching paper pulp with modified silicate ion exchanger and hydrogen peroxide | Axel von Raven, Josef Weigl, Herbert E. Mayer | 1991-08-13 |