| 8808451 |
Reducing agent for the soluble chromate content of cement and methods for production thereof |
Michael Vössing, Auer Gerhard, Benno Laubach, Detlef Klein, Werner Schuy +3 more |
2014-08-19 |
| 6673963 |
Process for preparing sorbic acid by thermal cleavage |
Daniel Decker, Guenter Roscher, Christoph Mollenkopf, Stefan Purps |
2004-01-06 |
| 4870689 |
Ear wax barrier for a hearing aid |
— |
1989-09-26 |
| 4847419 |
Process for the preparation of bifunctional tertiary aromatic phosphine sulfides, and also several specific representatives of this class of compounds |
Hans-Jerg Kleiner |
1989-07-11 |
| 4816605 |
Process for the preparation of bifunctional tertiary aromatic phosphine oxides |
Hans-Jerg Kleiner |
1989-03-28 |
| 4806691 |
Process for the preparation of tertiary phosphine oxides |
— |
1989-02-21 |
| 4761251 |
Process for the preparation of vinylphosphonic dichloride |
Herbert Siegel, Harald Berger |
1988-08-02 |
| 4761252 |
Process for the preparation of vinylphosphonic dichloride |
Herbert Siegel, Harald Berger |
1988-08-02 |
| 4749524 |
Process for the preparation of 2-chloroethanephosphonic dichloride |
Herbert Siegel, Harald Berger |
1988-06-07 |
| 4675446 |
Process for the preparation of tertiary phosphine oxides |
— |
1987-06-23 |
| 4670601 |
Process for the preparation of bifunctional tertiary aromatic phosphine sulfides |
Hans-Jerg Kleiner |
1987-06-02 |
| 4526728 |
2-Acrylamido- and 2-methacrylamido-2-methyl propanephosphonic acids and their salts, process for the preparation thereof, and use thereof for the manufacture of copolymers |
Manfred Finke, Walter Rupp |
1985-07-02 |
