Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951829 | Separation of heteropoly compounds from polyethers, polyesters and polyether esters | Hans-Jurgen Weyer, Rolf Fischer, Herbert Muller | 1999-09-14 |
| 5714638 | Preparation of polyoxyalkylene glycol monoether of tert-butyl alcohol and product | Hans-Juergen Weyer, Rolf Fischer, Herbert Mueller | 1998-02-03 |
| 5659068 | Preparation of polyoxyalkylene glycol monoesters of monocarboxylic acids | Hans-Juergen Weyer, Rolf Fischer, Herbert Mueller | 1997-08-19 |
| 5416240 | Preparation of poloxy-alkylene glycols | Hans-Juergen Weyer, Rolf Fischer, Franz Merger, Herbert Mueller | 1995-05-16 |
| 5414143 | Preparation of polyoxyalkylene glycol monoethers of monohydric alcohols | Hans-Juergen Weyer, Rolf Fischer, Herbert Mueller | 1995-05-09 |
| 5395959 | Adjustment of the average molecular weight of polyoxyalkylene glycols and polyoxyalkylene derivatives in the heteropolyacid-catalyzed polymerization of cyclic ethers and/or acetals with ring cleavage | Hans-Juergen Weyer, Rolf Fischer, Herbert Mueller | 1995-03-07 |
| 5099074 | Process for the preparation of polyether glycols | Herbert Mueller, Rolf Fischer, Hans-Juergen Weyer | 1992-03-24 |
| 5097077 | Purification of heteropolyacid-containing polyalkylene ether glycols | Herbert Mueller, Rolf Fischer, Hans-Juergen Weyer | 1992-03-17 |
| 4851580 | Preparation of trialkylamines | Herbert Mueller, Roman Fischer, Willibald Schoenleben | 1989-07-25 |
| 4775540 | Preparation of pourable choline chloride/silica powders | Otto Hertel, Walter Klink, Wolfgang Koernig, Theodor Weber, Fritz Rateike | 1988-10-04 |
| 4567303 | Process and apparatus for preparing or reacting alkanolamines | Guenter Boettger, Hans Hammer, Otto Hertel, Herbert Mueller, Emil Scharf +1 more | 1986-01-28 |