Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8193383 | Process for continuously preparing fatty acid methyl esters or fatty esters | Helmut Saft, Rudolph Bönsch | 2012-06-05 |
| 6087139 | Process for producing citric acid and/or citrates | Rudolf Boensch, Juergen Kuhn, Vaclav Cerny, Frantisek Hotek, Jiri Pendl | 2000-07-11 |
| 4981555 | Process and apparatus for concentrating a solution | Manfred Mai | 1991-01-01 |
| 4216196 | Process for thermally decomposing chlorides of bivalent or multivalent metals | — | 1980-08-05 |