Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371504 | Use of acrylate copolymers as soil antiredeposition agents and soil release agents in laundry processes | Menno Hazenkamp, Frank Oliver Heinrich Pirrung, Dario Perera, Paula Barreleiro, Christa Junkes | 2016-06-21 |
| 8987185 | Laundry article having cleaning and conditioning properties | Martina Hutmacher, Inga Kerstin Vockenroth, Georg Meine, Katherine G. Yu, Matthew Michael Petkus +1 more | 2015-03-24 |
| 8361951 | Tris(heterocyclyl) metal complexes, washing and cleaning agents containing the same, and use as bleach catalysts | Andre Hatzelt, Anette Nordskog, Stefan Leopold, Peter Schmiedel, Jörg Sundermeyer +1 more | 2013-01-29 |
| 8318650 | Bis(hydroxyquinoline) metal complexes as bleach catalysts | Andre Hatzelt, Anette Nordskog, Stefan Leopold, Peter Schmiedel, Jörg Sundermeyer +1 more | 2012-11-27 |
| 8318651 | Biheteroaryl metal complexes as bleach catalysts | Andre Hatzelt, Anette Nordskog, Stefan Leopold, Peter Schmiedel, Jörg Sundermeyer +1 more | 2012-11-27 |
| 8206462 | Use of polymers comprising carboxyl groups in combination with bivalent cations for creating a protective layer | Paula Barreleiro, Danuta Bedrunka, Arndt Scheidgen | 2012-06-26 |
| 7897557 | Encapsulated bleaching agent particles | Peter Schmiedel, Heinz-Juergen Voelkel, Heribert Kaiser, Soeren Hoelsken, Volker Blank +1 more | 2011-03-01 |
| 7781389 | Phthalimidoperoxyalkanoic acid-containing detergent or cleaning agent | Peter Schmiedel, Elke Scholl, Christian Rosenkranz, Soeren Hoelsken, Bernhard Guckenbiehl | 2010-08-24 |
| 7737103 | Multicomponent thin-to-thick system | Matthias Hloucha, Danuta Bedrunka, Rainer Hofmann, Erik Hattemer, Doris Dahlmann | 2010-06-15 |
| 7531498 | Peroxycarboxylic acid-based bleach compositions having a long shelf life | Peter Schmiedel, Paula Barreleiro, Bernhard Orlich | 2009-05-12 |
| 7064099 | Process for the production of particulate detergents | Thomas Gassenmeier, Juergen Millhoff, Peter Schmiedel, Ute Krupp | 2006-06-20 |
| 5372727 | Auxiliaries for the filtration and/or dewatering of mineral and coal suspensions | Rita Koester, Horst-Dieter Speckmann, Dieter Koeppl | 1994-12-13 |
| 5308448 | Process for the flotation of fillers from deinked waste paper in the presence of surfactants containing sulfonate groups | Ansgar Behler, Rainer Hoefer, Klaus Hornfeck | 1994-05-03 |
| 5232551 | Process for the flotation of fillers from deinked waste paper using organic phosphoric acid esters | Klaus Hornfeck, Rainer Hoefer | 1993-08-03 |
| 5108585 | Flotation of non-sulfidic ore with a glycosidic collector | Rita Koester, Manfred Biermann, Harald Schnegelberger | 1992-04-28 |
| 5028238 | Dispersants and their use in aqueous coal suspensions | Thomas Foerster | 1991-07-02 |
| 4995998 | Surfactant mixtures as collectors for the flotation of non-sulfidic ores | Rita Koester | 1991-02-26 |
| 4956124 | Bicyclic decanedioic acids, a process for their production, and their use as flotation aids | Horst Eierdanz, Paul Schulz, Rita Koester | 1990-09-11 |
| 4888120 | Water-based drilling and well-servicing fluids with swellable, synthetic layer silicates | Heinz Mueller, Claus-Peter Herold, Stephan van Tapavizca, Hans Dolhaine, Winfried Wichelhaus | 1989-12-19 |
| 4839066 | Fabric-softening detergent | Horst Upadek, Winfried Wichelhaus | 1989-06-13 |
| 4814070 | Alkyl sulfosuccinates based on alkoxylated fatty alcohols as collectors for non-sulfidic ores | Rita Koester, Uwe Ploog | 1989-03-21 |
| 4790931 | Surfactant mixtures as collectors for the flotation of non-sulfidic ores | Rita Koester | 1988-12-13 |
| 4790932 | N-alkyl and N-alkenyl aspartic acids as co-collectors for the flotation of non-sulfidic ores | Beatrix Kottwitz, Rita Koester | 1988-12-13 |
| 4789466 | Method of separating non-sulfidic minerals by flotation | Rita Koester | 1988-12-06 |
| 4774004 | Process for filtering liquors used in dry cleaning | Werner Gruenewaelder, Margarete Schaefer, Winfried Wichelhaus | 1988-09-27 |