Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465555 | Water-soluble polymers of di-C.sub.1 -C.sub.3 -alkylaminoneopentyl (meth)acrylates, and their use as retention agents, drainage agents and flocculants in papermaking | Juergen Hartmann, Dietmar Jung, Heinrich Hartmann, Herbert Spoor | 1984-08-14 |
| 4450045 | Preparation of water-soluble, nitrogen-containing condensates and their use in papermaking | Otto Hertel, Emil Scharf | 1984-05-22 |
| 4425238 | Removal of anionic compounds from water | Hans-Juergen Degen, Wolf Guender, Werner Auhorn, Guenter Frey, Werner Streit +1 more | 1984-01-10 |
| 4421602 | Linear basic polymers, their preparation and their use | Fritz Brunnmueller, Rolf Schneider, Michael Kroener, Hans Mueller | 1983-12-20 |
| 4321395 | Preparation of acetanilides | Karl Eicken, Wolfgang Rohr | 1982-03-23 |
| 4315017 | Triazole derivatives | Bernd Zeeh, Heinrich Adolphi | 1982-02-09 |
| 4260562 | Preparation of O,N-disubstituted hydroxylamines | Bjoern Girgensohn, Gernot Reissenweber, Eckhard Hickmann | 1981-04-07 |
| 4256754 | Insecticidal agents | Bernd Zeeh, Heinrich Adolphi | 1981-03-17 |
| 4240973 | N-Cyclohexyl-N-methoxyacetoacetamide | Bjoern Girgensohn, Bernd Zeeh | 1980-12-23 |
| 4207243 | Preparation of 2,5-dimethylfuran-3-carboxylic acid alkyl esters | Bjoern Girgensohn, Hans Rupert Merkle, Hardo Siegel, Hans Mueller | 1980-06-10 |
| 4200743 | Preparation of 1-cyano-2,1,3-benzothiadiazinones | Gerd Stubenrauch, Gerhard Hamprecht | 1980-04-29 |