Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815299 | Method for obtaining a natural mixture of conjugated equine estrogens depleted in non-conjugated lipophilic compounds | Klaus-Guenter Gerling, Hans-Joerg Mueller, Stefan Wachsmann | 2014-08-26 |
| 7524833 | Method and apparatus for concentrating and stabilizing conjugated estrogens from mare urine | Juergen Ahnsorge, Heinz-Helmer Rasche | 2009-04-28 |
| 7081451 | Method and apparatus for concentrating and stabilizing conjugated estrogens from mare urine | Juergen Ahnsorge, Heinz-Helmer Rasche | 2006-07-25 |
| 7074325 | Device for concentrating and stabilizing conjugated estrogens from mare urine | Juergen Ahnsorge, Heinz-Helmer Rasche | 2006-07-11 |
| 5814624 | Method for obtaining estrogens from pregnant mare urine by solid-phase extraction | Friederich Borchers, Henning Heinemann, Heinz-Helmer Rasche | 1998-09-29 |
| 5723454 | Method for obtaining estrogens from pregnant mare urine by solid phase extraction on a semi-polar adsorber resin | Henning Heinemann, Gerhard Mechtold, Heinz-Helmer Rasche | 1998-03-03 |
| 5294638 | Phenyalkylaminoalkyl compounds and pharmaceutical compositions containing them | Insa Hell, Ulf Preuschoff, Hermann Kraehling, Samuel David, Marie-Odile Christen | 1994-03-15 |
| 5212173 | Alkylaminoalkylamine and ether compounds, processes and intermediates for their preparation, and medicaments containing them | Herman Kraehling, Samuel David, Insa Hell, Ulf Preuschoff, Marie-Odile Christen | 1993-05-18 |
| 5013852 | 3-flavone carboxylic acid compounds | Rainer Walenta, Reiner Muller-Peddinghaus, Michael Wurl, Ulf Preuschoff | 1991-05-07 |
| 4886806 | Flavone-3-carboxylic acids compounds and pharmaceutical compositions containing them | Rainer Walenta, Reiner Muller-Peddinghaus, Michael Wurl, Ulf Preuschoff | 1989-12-12 |
| 4182889 | Process for preparing 10-methyl-2,9-dioxatricyclo[4,3,1,0.sup.3,7 ] decanes | Akiji Asai, Samuel David, Peter W. Thies | 1980-01-08 |