| 9540597 |
Process for the preparation of a powder comprising one or more complexing agent salts |
Frank Mrzena, Ullrich Menge, Michael Schoenherr |
2017-01-10 |
| 9487845 |
Process for the acid digestion of metal-containing compounds |
Helmut Witteler, Bernd Laubusch, Hans-Peter Seelmann-Eggebert |
2016-11-08 |
| 8927669 |
Copolymers, method for producing them and their use for treating surfaces |
Thomas Pfeiffer, Helmut Witteler, Frank Dietsche, Frank-Olaf Mähling, Andreas Fechtenkotter +2 more |
2015-01-06 |
| 8859106 |
Use of polypeptides in the form of adhesive agents |
Hermann Seyffer, Karl-Heinz Schumacher, Hans-Georg Lemaire, Ulf Baus, Thomas Subkowski +2 more |
2014-10-14 |
| 8785685 |
Process for preparing aminopolycarboxylates proceeding from amino acids |
Robert Baumann, Markus Christian Biel, Axel Franzke, Paul Klingelhoefer, Alfred Oftring |
2014-07-22 |
| 8748366 |
Process for the preparation of a spray powder comprising one or more glycine-N,N-diacetic acid derivatives and use of the spray powder for producing compression agglomerates |
Frank Mrzena, Michael Schoenherr, Robert Heinz |
2014-06-10 |
| 8568522 |
Method of passivating metallic surfaces by means of copolymers having phosphoric acid and/or phosphonic acid groups |
Frank Klippel, Alexander Gothlich, Gunnar Schornick, Dietrich Fehringer, Helmut Witteler +1 more |
2013-10-29 |
| 8420174 |
Polymer composition for corrosion protection |
Alexander Goethlich, Frank Klippel, Gunnar Schornick, Guido Vandermeulen, Helmut Witteler +4 more |
2013-04-16 |
| 7905964 |
Method for the passivation of metal surfaces with compositions comprising polymers with acid groups and waxes |
Helmut Witteler, Walter Bertkau, Alexander Gothlich |
2011-03-15 |
| 7749337 |
Method for the passivation of metal surfaces with polymers containing acid groups |
Helmut Witteler, Walter Bertkau, Alexander Gothlich, Jens Haas, Frank Klippel +1 more |
2010-07-06 |
| 7638469 |
Methods of increasing permeability in carbonatic rock formations with alkanesulfonic acids |
Marcus Guzmann, Helmut Witteler, Uwe Ossmer |
2009-12-29 |
| 7217820 |
Cosmetic or pharmaceutical preparations which comprise enaminotriazines as light protection agents, and novel enaminotriazines |
Kristin Tiefensee, Thomas Wunsch |
2007-05-15 |
| 7199181 |
Stabilising composition II |
Manfred Appel |
2007-04-03 |
| 7196135 |
Stabilizing composition I |
Manfred Appel |
2007-03-27 |
| 7011772 |
UV absorbing mixture with textile fiber affinity |
Gerhard Wagenblast, Jürgen Detering, Thorsten Habeck |
2006-03-14 |
| 6887460 |
Cosmetic or pharmaceutical preparations which comprise enaminotriazines as light protection agents, and novel enaminotriazines |
Kristin Tiefensee, Thomas Wunsch |
2005-05-03 |
| 6488915 |
Use of sunscreen combinations which comprise, as essential constituent, 2-(4-alkoxyanilinomethylene) malonic dialkyl esters as photostable UV filters in cosmetic and pharmaceutical preparations |
Kristin Tiefensee, Thomas Wunsch |
2002-12-03 |
| 6458342 |
Use of sunscreen combinations comprising, as essential constituent, 2,2′-p-phenylenebis (3,1-benzoxazin-4-one) as photostable UV filters in cosmetic and pharmaceutical preparations |
Kristin Tiefensee, Thomas Wunsch |
2002-10-01 |
| 6416773 |
Cosmetic or dermatological light protection agent preparations |
Volker Schehlmann, Thomas Wunsch, Wilma M. Dausch |
2002-07-09 |
| 6391289 |
Use of sunscreen combinations comprising, as essential constituent, 4,4′-diarylbutadienes as photostable UV filters in cosmetic and pharmaceutical preparations |
Thorsten Habeck, Thomas Wunsch |
2002-05-21 |
| 6387355 |
Use of sunscreen combinations comprising, as essential constituent, amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations |
Thorsten Habeck, Thomas Wunsch |
2002-05-14 |
