Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515986 | Process for preparing 3-dimethylamino-2,2-dimethylpropanal | Volker Falk, Helmut Springer, Jurgen Weber, Ernst Wiebus, Claus Kniep | 1985-05-07 |
| 4404410 | Process for preparing 2,3-dimethyl-2,3-butanediol | Boy Cornils, Jurgen Weber, Helmut Springer | 1983-09-13 |
| 4317925 | Process for the production of di-n-propylacetic acid | Jurgen Weber, Helmut Springer | 1982-03-02 |
| 4317945 | Process for preparing 2-methyl-2-sec.butyl-1,3-propanediol | Jurgen Weber, Helmut Bahrmann, Helmut Springer | 1982-03-02 |
| 4307252 | 2-Propyl-pent-4-en-1-al | Jurgen Weber, Helmut Springer | 1981-12-22 |
| 4288643 | Process for preparing 2,3-dimethyl-butene-2 | Jurgen Weber, Helmut Springer | 1981-09-08 |
| 4283564 | Process for preparing methacrolein | Hanswilhelm Bach, Eike Brundin, Wilhelm Gick, Helmut Springer, Adolf Hack | 1981-08-11 |
| 4275242 | Process for preparing 2-methylenealdehydes | Jurgen Weber, Helmut Springer | 1981-06-23 |
| 4270008 | 2-Propyl-pent-4-en-1-al | Jurgen Weber, Helmut Springer | 1981-05-26 |