| 6592832 |
Method for producing highly pure lithium salts |
Holger Friedrich, Joachim Pfeffinger |
2003-07-15 |
$548,000 |
| 6538054 |
Flame-proof moulding compounds |
Martin Klatt, Brigitte Gareiss, Motonori Yamamoto, Herbert Fisch, Michael Nam +1 more |
2003-03-25 |
$417,000 |
| 6503969 |
Flame-retardant polyester molding compositions containing flame retardant nitrogen compounds and diphosphinates |
Martin Klatt, Michael Nam, Herbert Fisch |
2003-01-07 |
$648,000 |
| 6190567 |
Breaking down hydroxylamine in aqueous solutions |
Frank Hanus, Hans-Michael Schneider, Otto Watzenberger, Uwe Wegmann |
2001-02-20 |
$337,000 |
| 6180235 |
Phosphorus-containing iron powders |
Gabriele Friedrich, Reinhold Schlegel |
2001-01-30 |
$455,000 |
| 6110230 |
Use of carboxyamide-polysiloxanes for water proofing leather |
Holger Friedrich, Michael Kneip |
2000-08-29 |
$963,000 |
| 6036742 |
Finely divided phosphorus-containing iron |
Gabriele Friedrich, Reinhold Schlegel |
2000-03-14 |
|
| 5993569 |
Silicon-containing iron powders |
Joachim Simon, Reinhold Schlegel |
1999-11-30 |
|
| 5919348 |
Modification of the flow resistance of diaphragms |
Holger Friedrich, Klaus-Dieter Hoppe, Dieter Schlafer, Kurt Hecky |
1999-07-06 |
|
| 5899393 |
Recycling of diaphragms |
Rudi Kroner, Dieter Schlafer, Wolfgang Steiner, Holger Friedrich |
1999-05-04 |
|
| 5876785 |
Recycling of diaphragms |
Rudi Kroner, Dieter Schlafer, Wolfgang Steiner, Holger Friedrich |
1999-03-02 |
|
| 5856543 |
Silanes comprising branched alkyl chains |
Holger Friedrich, Harald Keller |
1999-01-05 |
|
| 5837107 |
Process for production of aqueous solutions of free hydroxylamine |
Otto Watzenberger, Hans-Michael Schneider, Albrecht Friederang |
1998-11-17 |
|
| 5817853 |
Preparation of acyloxyalkoxysilanes |
Holger Friedrich, Norbert Mronga, Raimund Schmid |
1998-10-06 |
|
| 5783161 |
Stabilized hyroxylamine solutions |
Hans-Michael Schneider |
1998-07-21 |
|
| 5755951 |
Regeneration of plastic diaphragm |
Rudi Kroner, Hans-Michael Schneider, Holger Friedrich, Kurt Hecky, Dieter Schlafer +1 more |
1998-05-26 |
|
| 5077023 |
Reduction in the rate of oxidation of sulfite solutions |
Klaus-Dieter Hoppe, Paul-Michael Bever, Matthias Kraume |
1991-12-31 |
|
| 4995950 |
Preparation of alkali metal nitrates |
Wolfgang Kochanek |
1991-02-26 |
|
| 4879102 |
Regeneration of wash solutions containing Fe(II) and Fe(III) chelate complexes |
Klaus-Dieter Hoppe, Siegfried Schreiner |
1989-11-07 |
|
| 4837002 |
Removal of chlorate from caustic soda |
Dieter Schlaefer, Wolfgang Kochanek |
1989-06-06 |
|
| 4830842 |
Preparation of pure boron trifluoride |
Hans H. Reich |
1989-05-16 |
|
| 4786211 |
Filling cavities in mining |
Berthold Mueller, Wilhelm Volkenborn |
1988-11-22 |
|
| 4395273 |
Preparation of multi-trace element fertilizers |
Bernhard Purucker, Eberhard Rother, Geerd F. Juergens, Dieter Wagner |
1983-07-26 |
|
| 4360504 |
Simultaneous destruction of trace components in the reaction off-gas from the synthesis of melamine |
Klaus Blanck, Winfried Dethlefsen, Anton Jungbauer, Ernst-Juergen Schier, Hans-Ulrich Schlimper +1 more |
1982-11-23 |
|
| 4336234 |
Preparation of storage-stable, pumpable and pourable aluminosilicate suspensions by wet milling |
Hans-Ulrich Schlimper, Dieter Roth, Ludwig Kreitner, Heinrich Spahn |
1982-06-22 |
|
