Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10006169 | Method for delignifying and bleaching pulp | Bernd Hopf, Ralf Grimmer, Sigrid Wegmann, Verena Illhardt | 2018-06-26 |
| 8568558 | Process for delignifying and bleaching chemical pulp | — | 2013-10-29 |
| 8545673 | Process for recovering molybdate or tungstate from aqueous solutions | Hans Ulrich Süss | 2013-10-01 |
| 8299007 | Base stock lubricant blends | James T. Carey, Angela S. Galiano-Roth | 2012-10-30 |
| 8277765 | Process for recovering molybdate or tungstate from aqueous solutions | Hans Ulrich Süss | 2012-10-02 |
| 8034173 | Processing compositions and method of forming the same | Felix Muller, Maria Nargiello, Jodi Lynn Russell, Ashot K. Serobian, Patrick Winter | 2011-10-11 |
| 7851511 | Emulsifier for highly liquid W/O emulsion based on partly crosslinked polyglycerol esters of polyhydroxystearic acid | Petra Allef, Wolfgang Berkels, Burghard Gruning, Peter Hameyer | 2010-12-14 |
| 7399487 | High-concentration aqueous dispersions comprising hydrophilic microfine metal oxide particles and dispersion auxiliaries | Christoph Batz-Sohn, Petra Brandt, Steffen Hasenzahl, Klaus Jenni, Kathrin Lehmann +2 more | 2008-07-15 |
| 7339011 | Amphiphilic organopolysiloxanes having polyester groups and use thereof as emulsifiers of dispersing agents | Sascha Oestreich | 2008-03-04 |
| 7148260 | Water-based emulsifier wax gels including free sphingoid bases and oil in-water emulsion including the same | — | 2006-12-12 |
| 7084215 | Amphiphilic organopolysiloxanes having polyester groups and use thereof as emulsifiers or dispersing agents | Sascha Oestreich | 2006-08-01 |
| 7074419 | Cosmetic and pharmaceutical oil-in-water emulsions | Peter Hameyer, Klaus Jenni | 2006-07-11 |
| 6972277 | Foaming clean and polish emulsions comprising bisquaternary organomodified silicone | — | 2005-12-06 |
| 6737501 | Process for the preparation of copolymeric hydrophobically modified polyglutamic acid derivatives and their use | Erika Messinger, Peter Muss, Ute Schick, Christian Weitemeyer, Astrid Zündorff | 2004-05-18 |
| 6602388 | Process for forming headbox for a machine | Wolfgang Ruf, Hans Loser, Klaus Lehleiter, Konstantin Fenkl | 2003-08-05 |
| 6471828 | Headbox | Wolfgang Ruf, Hans Loser, Klaus Lehleiter, Konstantin Fenkl | 2002-10-29 |
| 6358501 | Polypeptide-polysiloxane copolymers | Peter Lersch, Christian Weitemeyer | 2002-03-19 |
| 6352616 | Jointless lamellae for a headbox | Konstantin Fenkl | 2002-03-05 |
| 6353068 | Polyacrylates and their use as degassing agents for paints and coatings | Eberhard Esselborn, Christian Psiorz, Ute Schick, Stefan Silber, Ellen Reuter +1 more | 2002-03-05 |
| 6261418 | Headbox with flexible support plates | Wolf-Gunter Stotz, Thomas Merath, Klaus Lehleiter, Christoph Link, Josef Frey +3 more | 2001-07-17 |
| 6214169 | Sheet formation system with deckle plates and method for reducing edge waves | Wolfgang Ruf, Konstantin Fenkl | 2001-04-10 |
| 6022926 | Organosilanes and organopolysiloxanes containing 2-oxazolidinone groups, their use as surface-active substances and their use for preparing organosilanes and organopolysiloxanes containing amino or carbamido groups | Christian Weitemeyer | 2000-02-08 |
| D419782 | Pattern for absorbent sheet material | Megumi Saito, Galyn A. Schulz, Dinesh M. Bhat, Kenneth Ernest Saffran, Richard D. Huss +1 more | 2000-02-01 |
| 5891977 | Organopolysiloxanes comprising polyhydroxyorganyl radicals and polyoxyalkylene radicals | Burghard Gruning, Peter Lersch, Christian Weitemeyer | 1999-04-06 |
| 5849159 | Multi-layer headbox with plastic and metal divider plate | Helmut Heinzmann, Wolfgang Ruf, Ulrich Begemann, Frank Fey | 1998-12-15 |