Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5426211 | Vinyl 2-aryl-propionates | Gerd Fulling, Reinhold Keller | 1995-06-20 |
| 5310786 | Reversibly precipitable, water-soluble polymer conjugates | Klaus-Dieter Vorlop, Kerstin Steinke, Dieter Wullbrandt | 1994-05-10 |
| 5238597 | Sucrosetricarboxylic acid and compositions containing the same | Wolfram Fritsche-Lang, Ernst I. Leupold | 1993-08-24 |
| 5155028 | Process for the enzymatic cleavage of vinyl 2-aryl-propionates | Gerd Fulling, Reinhold Keller | 1992-10-13 |
| 5106740 | Immobilization of an isethiacyanate of a cofactor on a polymer | Hubert Bader, Hans-Ullrich Hoppe, Michael Magerstadt, Dieter Ulschneider, Axel Walch | 1992-04-21 |
| 5100673 | Microencapsulation of biologically active material | Hebert Bader, Karl-Heinz Keil, Diether Ruppel, Axel Walch | 1992-03-31 |
| 5082504 | Process for the preparation of a mixture of sucrose oxidation products and the use thereof | Ernst I. Leupold, Karl-Heinz Schonwalder, Wolfram Fritsche-Lang, Adolf Linkies, Werner Gohla +1 more | 1992-01-21 |
| 5068186 | Process for the enzymatic preparation of disaccharide fluorides using .alpha.-glycosyl fluorides as substrates | Reinhold Keller, Matthias Wiesner, Wolfgang Treder, Joachim Thiem | 1991-11-26 |
| 5010012 | Process for the enzymatic preparation of optically active phosphorus containing functional acetic acid derivatives | Dieter Wullbrandt, Reinhold Keller, Wolfgang Holla, Manfred Schneider | 1991-04-23 |
| 4977283 | Process for the oxidation of 5-hydroxymethylfurfural | Ernst I. Leupold, Matthias Wiesner, Knut M. Rapp | 1990-12-11 |
| 4883900 | Process for the preparation of aspartame and agents for carrying it out | Reinhold Keller, Martin Platen | 1989-11-28 |
| 4859590 | Enzymatic synthesis of cyclodextrins using .alpha.-glucosyl fluoride as substrate for cyclodextrin .alpha.(1.fwdarw.4)glucosyltransferase | Joachim Thiem, Wolfgang Treder, Reinhold Keller | 1989-08-22 |
| 4849409 | Diels-alder adduct from streptazoline and naphthoquinones and its oxidation products, which have cytotoxic and antimicrobial activity and which act against protozoa | Hans-Ullrich Hoppe, Susanne Grabley, Hartmut Voelskow, Hans Kraemer, Matthias Wiesner +1 more | 1989-07-18 |
| 4847372 | Process for the single-stage preparation of glycosyl fluorides | Raimund Franz, Hans-Matthias Deger | 1989-07-11 |
| 4767880 | Process for racemizing optically active alpha-phenoxypropionic acid and derivatives thereof | Dieter Wullbrandt | 1988-08-30 |
| 4766207 | Process for the preparation of water-soluble polysaccharides, the saccharides thus obtainable, and their use | Hans-Matthias Deger, Rudiger Erckel, Raimund Franz, Wolfram Fritsche-Lang, Gert-Wolfhard von Rymon Lipinski | 1988-08-23 |
| 4749785 | Process for the preparation of glycosides from glycosyl fluorides | Joachim Thiem, Wolfram Fritsche-Lang, Hans-Matthias Deger, Matthias Kreuzer | 1988-06-07 |
| 4745059 | Process for the preparation of L-phenylalanine | Hartmut Voelskow, Reinhold Keller, Martin Platen, Johann Then, Gerhard Wohner | 1988-05-17 |
| 4709086 | Process for the preparation of 4-benzyl aspartate | Hans-Ullrich Hoppe, Walter Dursch | 1987-11-24 |
| 4703117 | Process for isolating microbial polysaccharides from their fatty amine adducts | Edgar Fischer | 1987-10-27 |
| 4649111 | Process for the preparation of 5'-ribonucleotides | Reinhold Keller | 1987-03-10 |
| 4627983 | Functional protein hydrolyzates, a process for their preparation, use of these protein hydrolyzates as a food additive, and foods containing these protein hydrolyzated | Udo Scharf, Gert-Wolfhard von Rymon Lipinski | 1986-12-09 |
| 4623723 | Process for separating ribonucleic acids from a solution containing deoxyribonucleic acids | Reinhold Keller | 1986-11-18 |
| 4614717 | Process for cultivation of organisms wherein a uniform protein from microorganisms is enzymatically degraded | Traudel Kachholz, Udo Scharf | 1986-09-30 |
| 4576973 | Copolymer, process for its preparation and its use as a sorbent | Karl-Heinz Keil, Fritz Engelhardt, Ulrich Greiner, Klaus Kuhlein, Reinhold Keller +1 more | 1986-03-18 |