Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689889 | Chromatographic separation of enantiomers of lactones | Walter Lange, Rolf Grosser, Burkhard Kohler, Stefan Michel, Uwe Zweering | 2004-02-10 |
| 6559334 | Polymers chromatographic separation of enantiomers | Walter Lange, Michael Grosse-Bley, Rolf Grosser, Franz-Peter Hoever | 2003-05-06 |
| 6274736 | Chromatographic enantiomer separation of lactones | Walter Lange, Rolf Grosser, Burkhard Kohler, Stefan Michel, Guido Martin Bomer +1 more | 2001-08-14 |
| 5868938 | Chiral stationary phases for chromatographic separation of optical isomers | by Guido Martin Bomer, Rolf Grosser, Walter Lange, Uwe Zweering, Burkhard Kohler +2 more | 1999-02-09 |
| 5739249 | Chlorine-free multifunctional resins for paper finishing | Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Helmut Reiff, Joachim Probst +3 more | 1998-04-14 |
| 5580355 | Leather tanning agent and standardizing agents for dyestuffs | Torsten Groth, Winfried Joentgen, Ulrich Muller, Guido Martin Bomer, Harro Traubel | 1996-12-03 |
| 5510530 | Optically active sulphur-containing amino acid derivatives | Michael Grosse-Bley, Rolf Grosser, Dieter Arlt, Walter Lange | 1996-04-23 |
| 5503714 | Chlorine-free multifunctional resins for paper finishing | Jurgen Reiners, Hans-Josef Laas, Joachim Konig, Helmut Reiff, Joachim Probst +3 more | 1996-04-02 |
| 5481026 | Optically active amino acid sulphoxide and amino acid sulphone derivatives | Michael Grosse-Bley, Rolf Grosser, Walter Lange, Franz-Peter Hoever, Dieter Arlt | 1996-01-02 |
| 5472741 | Softening and waterproofing retanning agents | Gunter Sackmann, Joachim Kochta, Henricus Slaats | 1995-12-05 |
| 5432251 | Optically active sulphur-containing amino acid derivatives, their preparation, their polymerization to give optically active polymers and the use thereof | Michael Grosse-Bley, Rolf Grosser, Dieter Arlt, Walter Lange | 1995-07-11 |
| 5432252 | Optically active sulphur-containing amino acid derivatives, their preparation, their polymerization to give optically active polymers and the use thereof | Michael Grosse-Bley, Rolf Grosser, Dieter Arlt, Walter Lange | 1995-07-11 |
| 5357001 | Optically active amino acid sulphoxide and amino acid sulphone derivatives, their preparation, their polymerisation and use as adsorbents for chromatographic resolution of racemates | Michael Grosse-Bley, Rolf Grosser, Walter Lange, Franz-Peter Hoever, Dieter Arlt | 1994-10-18 |
| 5354884 | Optically active N-.alpha.-fluoroacryloylamino acid derivatives for the resolution of racemates | Rolf Grosser, Walter Lange, Dieter Arlt, Dietmar Bielefeldt | 1994-10-11 |
| 5348656 | Optically active bead polymers containing fillers | Wolfgang Podszun, Rolf Grosser, Walter Lange, Michael Grosse-Bley | 1994-09-20 |
| 5347042 | Optically active sulphur-containing amino acid derivatives, their preparation, their polymerisation to give optically active polymers and the use thereof | Michael Grosse-Bley, Rolf Grosser, Dieter Arlt, Walter Lange | 1994-09-13 |
| 5298583 | Polymer dyestuffs and preparation and use thereof | Ludger Heiliger, Hans-Ulrich Siegmund, Herbert Hugl, Antonius Lobberding, Eberhard Kuckert +2 more | 1994-03-29 |
| 5292924 | Optically active N-.alpha.-fluoroacryloylamino acid polymers for the resolution of racemates | Rolf Grosser, Walter Lange, Dieter Arlt, Dietmar Bielefeldt | 1994-03-08 |
| 5274167 | Polymeriable optically active (meth) acrylic acid derivatives | Walter Lange, Rolf Grosser, Dieter Arlt | 1993-12-28 |
| 5030697 | Polymer-bound dyes, process for their production and use | Herbert Hugl, Heinz Kolbl, Florin Seng, Eberhard Kuckert, Gunter Sackmann | 1991-07-09 |
| 4959419 | Polymeric emulsifiers based on aminotelechelic oligomers I | Adolf Schmidt, Udo-Winfried Hendricks, Karl-Heinz Ott, Herbert Eichenauer, Alfred Pischtschan | 1990-09-25 |
| 4937000 | Optically active (meth)acrylamides, a process for their preparation, and their use for racemate resolution | Rolf Grosser, Ulrich Schwartz, Dieter Arlt, Karl-Erwin Piejko | 1990-06-26 |
| 4931525 | Optical active (meth)acrylamides and polymers thereof for racemate resolution | Ulrich Schwartz, Rolf Grosser, Karl-Erwin Piejko, Dieter Arlt | 1990-06-05 |
| 4920181 | Polymeric emulsifiers based on amino telechelatic vinyl oligomers II | Adolf Schmidt, Udo-Winfried Hendricks, Karl-Heinz Ott, Herbert Eichenauer, Alfred Pischtschan | 1990-04-24 |
| 4918129 | Process for the production of aqueous polymer dispersions, the dispersions obtainable by this process and their use for the production of coatings | Joachim Probst, Josef Pedain, Adolf Schmidt, Wolfhart Wieczorrek | 1990-04-17 |