Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879406 | Preparation of pentenoic esters from formylvaleric esters | Franz Merger, Juergen Frank, Uwe Vagi | 1989-11-07 |
| 4874889 | Isomerization of 2-pentenoates to 3-pentenoates | Franz Merger, Hans-Juergen Gosch | 1989-10-17 |
| 4873362 | Preparation of 2-substituted 4-acyloxy-2-butenals | Franz Merger, Hans Horler | 1989-10-10 |
| 4853473 | Preparation of 2(5H)-furanones | Juergen Frank, Franz Merger, Michael Roeper, Uwe Vagt | 1989-08-01 |
| 4845269 | Preparation of 3-pentenoates from 2-pentenoates | Wolfgang Hoelderich, Manfred Sauerwald | 1989-07-04 |
| 4845247 | 3,4,-dihydro-2H-pyrans | Wolfgang Spiegler, Norbert Goetz, Manfred Sauerwald, Toni Dockner | 1989-07-04 |
| 4843171 | 1,1-dialkoxy-2-methyl-4,4-diacyloxy-2-butenes | Bernhard Schulz | 1989-06-27 |
| 4837346 | Preparation of esters of tetrahydropyran-4-carboxylic acid | Rainer Becker, Heinz Eckhardt, Wolfgang Spiegler, Uwe Vagt | 1989-06-06 |
| 4806679 | Isomerization of diacyloxybutenes | Wolfgang Hoelderich, Otto Hertel, Wolf D. Mross, Hans-Martin Weitz | 1989-02-21 |
| 4804786 | Preparation of 4-monoacetals of 2-methylbut-2-ene-1,4-dial | Bernhard Schulz | 1989-02-14 |