Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5132471 | Purification of .alpha.-bisabolol | Gerald Lauterbach, Klaus Euler | 1992-07-21 |
| 4806679 | Isomerization of diacyloxybutenes | Wolfgang Hoelderich, Rolf Fischer, Wolf D. Mross, Hans-Martin Weitz | 1989-02-21 |
| 4775540 | Preparation of pourable choline chloride/silica powders | Gerhard Jeschek, Walter Klink, Wolfgang Koernig, Theodor Weber, Fritz Rateike | 1988-10-04 |
| 4739051 | Preparation of morpholine | Wolfgang Schroeder, Wolfgang Lengsfeld, Gerd Heilen, Guenter Boettger | 1988-04-19 |
| 4567303 | Process and apparatus for preparing or reacting alkanolamines | Guenter Boettger, Hans Hammer, Gerhard Jeschek, Herbert Mueller, Emil Scharf +1 more | 1986-01-28 |
| 4565894 | Preparation of ionones | Hans Kiefer, Lothar Arnold | 1986-01-21 |
| 4450045 | Preparation of water-soluble, nitrogen-containing condensates and their use in papermaking | Friedrich Linhart, Emil Scharf | 1984-05-22 |
| 4371674 | Water soluble crosslinked ethyleneimine grafted polyamidoamine | Emil Scharf, Jaroslav Melzer, Rolf Fikentscher | 1983-02-01 |
| 4330480 | Preparation of aminoalkyl half-esters of sulfuric acid | Karl-Heinz Beyer, Albrecht H. Wallis, Klaus Wulz, Kamuran Izi | 1982-05-18 |
| 4328142 | Preparation of water-soluble condensates and their use as crosslinking agents for the preparation of papermaking aids | Emil Scharf, Jaroslav Melzer | 1982-05-04 |