Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723098 | Process for the recovery of catalysts in adipic acid production | Georg Steinhoff, Heiko Hoffmann, Helmut Kaponig | 1998-03-03 |
| 5587511 | Process for obtaining adipic acid | Georg Steinhoff, Andreas Gosch, Gerd Hufen | 1996-12-24 |
| RE33748 | Process for the preparation of polyurethane plastics using dianhydro-hexite diols | Holger Meyborg, Kuno Wagner, James-Michael Barnes | 1991-11-19 |
| 4713389 | Fungicidally and bactericidally active acylated saccharin derivatives | Manfred Hajek, Hermann Hagemann, Engelbert Kuhle, Wolfgang Fuhrer, Gerd Hanssler +2 more | 1987-12-15 |
| 4683233 | Salts of 2-keto-2H, 3H-1,2-benzisothiazole 1,1-dioxide as microbicides | Manfred Hajek, Gerd Hanssler, Varl-Heinz Kuck | 1987-07-28 |
| 4666930 | 3-hydrazono-benzisothiazole 1,1-dioxide fungicides | Manfred Hajek, Gerd Hanssler | 1987-05-19 |
| 4667041 | Process for the preparation of 3-hydrazino-1,2-benz-isothiazole 1,1-dioxides | Manfred Hajek, Gerd Hanssler | 1987-05-19 |
| 4642344 | Polyamines | Manfred Hajek, Heinz Ziemann | 1987-02-10 |
| 4564645 | Process for the production of dianhydrohexitol mixtures and the production of polymers from such mixtures | Manfred Hajek, Holger Meyborg | 1986-01-14 |
| 4556649 | Substituted malonic acid diamide insecticides, compositions and use | Rudolf Fauss, Kurt Findeisen, Bernhard Homeyer | 1985-12-03 |
| 4529666 | Plasticized polyvinyl alcohol | Klaus Reinking, Frank Kleiner | 1985-07-16 |
| 4506086 | Process for the production of dianhydrohexitol mixtures and liquid mixture of dianhydrohexitols | Manfred Hajek, Holger Meyborg | 1985-03-19 |
| 4486542 | Enamel frit and a one-bake two- and multilayer enamelling process | Otto Krist | 1984-12-04 |
| 4476253 | Process for the preparation of polyurethane elastomers using diols of the anhydro-tetritol series | Holger Meyborg, Wilhelm Goyert, James-Michael Barnes | 1984-10-09 |
| 4408061 | Process for the preparation of 1,4-3,6-dianhydro-hexitols | Holger Meyborg, Heinz Ziemann | 1983-10-04 |
| 4383051 | Process for the preparation of polyurethane plastics using dianhydro-hexite diols | Holger Meyborg, Kuno Wagner, James-Michael Barnes | 1983-05-10 |