Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8088922 | Dibenzorylenetetracarboximides as infrared absorbers | Martin Koenemann, Yuri Avlasevic, Klaus Muellen | 2012-01-03 |
| 8071775 | Substituted rylene derivatives | Martin Koenemann, Neil Gregory Pschirer, Jianqiang Qu, Gabriele Mattern | 2011-12-06 |
| 7875147 | Method for welding together plastic parts with the aid of laser radiation | Andreas Haas, Werner Rautenberg, Michel Sieffert | 2011-01-25 |
| 7851628 | Conversion of perylene-3,4:9,10-tetracarboximides to a form suitable for use as fluorescent dyes | Peter Erk, Simone Schaefer, Peter Blaschka, Harald Arms, Willi Helfer | 2010-12-14 |
| 7807836 | Preparation of perylen-3,4:9,10-tetracarboxylic dianhydride and also of naphtalene-1,8-dicarboximides | Bernhard Dung, Felix Mueller, Willi Helfer, Volker Weyrauch, Georg Henning | 2010-10-05 |
| 7753967 | Method for converting perylen-3,4:9,10-tetracarboxylic acid diimides into a form suitable for use as a fluorescent dye | Peter Erk, Simone Schaefer, Peter Blaschka, Harald Arms, Willi Helfer | 2010-07-13 |
| 7741487 | Method for producing quaterrylene-3,4:13, 14-tetracarboxy diimides by direct synthesis | Martin Koenemann, Hermann Bidlingmaier, Reinhold Rieger, Peter Blaschka, Helmut Reichelt +1 more | 2010-06-22 |
| 7714044 | Use of 4-cyano-naphthalene-1, 8-dicarboximide derivatives and related compounds to protect organic material from the damaging effects of light | Simon Schambony, Alban Glaser, Ruediger Sens, Helmut Reichelt | 2010-05-11 |
| 7550606 | 9-cyano-substituted perylene-3,4-dicarboxylic acid monoimides | Peter Blaschka, Willi Helfer, Dirk Hammel, Peter Schlichting, Klaus Muellen | 2009-06-23 |
| 7521556 | 1,6,9,14-tetrasubstituted terrylene tetracarboxylic acid diimides | Matthias Krieger, Erik Reuther, Klaus Muellen | 2009-04-21 |
| 7446198 | 9-Cyano-substituted perylene-3, 4-dicarboxylic monoimides | Peter Blaschka, Willi Helfer, Dirk Hammel, Peter Schlichting, Klaus Muellen | 2008-11-04 |
| 7416601 | Black perylene pigments | Peter Erk, Andreas Stohr, Walter Kurtz, Jin Mizuguchi, Benno Sens | 2008-08-26 |
| 7408061 | Rylene dyes | Matthias Krieger, Lorenz Siggel, Stefan Becker, Klaus Muellen, Christopher Kohl | 2008-08-05 |
| 7393956 | Method for the production of perylen-3,4:9,10-tetracarboxylic acid diimides and perylen-3,4:9,10-tetracarboxylic acid dianhydride and naphtalene-1,8-dicarboxylimides | Bernhard Dung, Felix Mueller, Willi Helfer, Volker Weyrauch, Georg Henning | 2008-07-01 |
| 7358362 | Method for the production of terylene-3,4:11,12-tetracarboxydiimides by direct synthesis | Martin Koenemann, Willi Helfer, Juergen Romeis, Jianqiang Qu, Klaus Muellen | 2008-04-15 |
| 7252785 | Composition for producing a thermal insulation coating | Robert Parker, Norbert Schneider, Gerhard Wagenblast | 2007-08-07 |
| 7176255 | Method for producing aqueous polymer dispersions containing colorants | Klemens Mathauer, Walter Maechtle, Peter Rossmanith, Sabine Kielhorn-Bayer, Klaus Muellen +11 more | 2007-02-13 |
| 7145010 | Tert-alkylphenoxy-substituted polycyclic compounds | Willi Helfer, Georg Beck, Matthias Krieger, Peter Erk | 2006-12-05 |
| 7138522 | Rylene derivatives and their use as dyes | Matthias Krieger, Erik Reuther, Klaus Muellen | 2006-11-21 |
| 6737159 | Controlling solar radiation in safety glass laminates | Paul Garrett, Howard D. Booth, Jr. | 2004-05-18 |
| 6136976 | Process for producing perylene-3, 4-dicarboxylic acid imides | Harald Arms, Willi Helfer, Georg Henning | 2000-10-24 |