Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5527969 | Process for preparing acetaldehyde diethyl acetal | Manfred Kaufhold | 1996-06-18 |
| 4772711 | Method for the preparation of 3-aminoacrylic acid esters | Fritz Englaender, Wilhelm Vogt | 1988-09-20 |
| 4699999 | Method of preparing pure carboxylic acids | Gunter Meyer | 1987-10-13 |
| 4515984 | Process for the preparation of alkali-metal formyl acid esters | — | 1985-05-07 |
| 4447644 | Method for preparation of arylpyruvic acid | — | 1984-05-08 |
| 4424375 | Method and apparatus for performing carbonylation reactions | Uwe Prange, Hermann Richtzenhain, Wilhelm Vogt | 1984-01-03 |
| 4376866 | Process for the preparation of .alpha.-hydroxymethylene arylacetic acid | Fritz Englaender, Wilhelm Vogt | 1983-03-15 |
| 4234545 | Process for the recovery of cobalt values | Uwe Prange | 1980-11-18 |
| 4228097 | Method of preparing .alpha.-hydroxymethylene nitriles | Uwe Prange | 1980-10-14 |