Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9956547 | Preparation of polyglycerols | Anton Kaiser, Bert Marc Weckhuysen, Dirk Leinweber, Fiona Kirby, Franz-Xaver Scherl +1 more | 2018-05-01 |
| 8703865 | Method for production of polymer-encapsulated pigments | Matthias Ganschow, Ulrike Rohr, Karl-Heinz Schweikart, Katharina Landfester | 2014-04-22 |
| 8021716 | Polyelectrolyte-encapsulated pigments | Carsten Plueg, Gerald Mehltretter, Karl-Heinz Schweikart, Andreas Voigt, Lars Daehne +2 more | 2011-09-20 |
| 7655300 | Transparent zeolite-polymer hybrid material with tunable properties | Gion Calzaferri, André Devaux, Stéphane Suarez, Andreas Kunzmann | 2010-02-02 |
| 7404854 | Method for pigmenting semi-crystalline plastics with phthalocyanine pigments in a non-warping manner | Matthias Ganschow, Carsten Plueg | 2008-07-29 |
| 7399354 | Method for the production of pigment granules | Andreas Stohr, Heinfred Ohleier | 2008-07-15 |
| 7348372 | Method for distortion-free pigmentation of partly-crystalline plastics with phthalocyanine pigments | Thomas Hundsdorf, Klaus Brychcy, Andreas Stohr | 2008-03-25 |
| 7285663 | β-Isoindigo coloring agent | Heino Heckmann | 2007-10-23 |
| 7220843 | Methanesulfonamide azo dyes | Dominique Pflieger | 2007-05-22 |
| 7029818 | Use of coated pigment granules in electrophotographic toners and developers, powder coatings and inkjet inks | Ulrike Rohr, Ruediger Baur, Andreas Stohr | 2006-04-18 |
| 7014699 | Oxalkylation products produced from epoxides and amines and their use in pigment preparations | Martin Winter, Andreas Harz, Andreas Pfrengle | 2006-03-21 |
| 7002021 | Diketopyrrolopyrrole pigments | Felix Grimm, Joachim Weber, Andreas Wacker | 2006-02-21 |
| 6984724 | Pigmented 1-naphtholsulphonic acid-based monoazo pigments | Uday T. Nabar, Frank Morgenroth, Chandrashekhar D. Patil, Sunil D. Deval | 2006-01-10 |
| 6913641 | Laked monoazo pigments based on naphtholsulfonic acids | Uday T. Nabar, Frank Morgenroth, Chandrashekhar D. Patil, Sunil D. Deval | 2005-07-05 |
| 6872245 | Azo pigments | Felix Grimm, Andreas Wacker | 2005-03-29 |
| 6821335 | Phthalic acid imides as synergists for improving the properties of aqueous pigment preparations | Martin Winter, Andreas Harz | 2004-11-23 |
| 6504045 | Crystal polymorphs of a yellow disazo colorant, and their preparation | Ruediger Jung, Joachim Weber, Martin Schmidt, Olaf Schupp, Andreas Wacker | 2003-01-07 |
| 6485558 | Process for the preparation of pigment granules | Heinfred Ohleier | 2002-11-26 |
| 6290768 | Flow-enhanced pigment preparation for offset printing | Joachim Weide, Thomas Wallach | 2001-09-18 |
| 6207240 | Laser marking of effect coatings | Axel Schoenfeld, Andreas Stohr | 2001-03-27 |
| 6191263 | Crystal modification of C.I. Pigment Red 53:2 (.gamma.-phase) | Martin Schmidt | 2001-02-20 |
| 6168895 | Pigment for electrophotographic toners and developers | Rudiger Baur, Hans-Tobias Macholdt | 2001-01-02 |
| 6146455 | Crystal modification of C.I. Pigment Red 53:2 (.delta.-phase) | Martin Schmidt | 2000-11-14 |
| 6028178 | Pigment for electrophotographic toners and developers | Rudiger Baur, Hans-Tobias Macholdt | 2000-02-22 |
| 5910577 | Quinoxaline-monoazo-acetarylide pigment | Joachim Weber | 1999-06-08 |