Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7410504 | Adducts based on cyclic compounds and the use thereof as tanning agents and curing agents | Stephan Hueffer, Oliver Reese, Stefan Schroeder, Guenter Scherr, Volker Bach | 2008-08-12 |
| 7252402 | Lighting device for baking oven | Bernhard Gotz | 2007-08-07 |
| 7157667 | Cooking device | Bernhard Goetz | 2007-01-02 |
| 6555794 | Electric stove for cooking food having an electrically heated cooking surface | Kurt Leutner, Oliver Gros, Joachim Grützke, Bernhard Gotz | 2003-04-29 |
| 5336815 | Preparation of vinyl glycols | Rainer Becker, Michael Huellmann, Hans-Ulrich Scholz | 1994-08-09 |
| 5081309 | Preparation of 2-alkylcyclopentanones | Wolfgang Lengsfeld | 1992-01-14 |
| 4996365 | Preparation of alkyl-substituted cinnamaldehydes | Gerald Lauterbach, Frank-Friedrich Pape | 1991-02-26 |
| 4956341 | 3-tert-butyl-40-methoxycyclohexylmethanol, its preparation and its use as a scent | Dieter Degner, Ludwig Schuster | 1990-09-11 |
| 4918205 | Preparation of alkylated dodechydronaphto[2,1-b]furans | Eckhard Hickmann, Rainer Becker, Gerald Lauterbach | 1990-04-17 |
| 4847425 | Prepartion of 4-isopropylcyclohexylmethanol and its alkyl ethers | Dieter Degner, Wolfgang Lengsfeld, Ludwig Schuster | 1989-07-11 |
| 4837201 | 4-Methyl-4-phenyl-1-pentanals, their preparation and their use as scents | Norbert Goetz, Hardo Siegel, Gerhard Schindler | 1989-06-06 |
| 4831166 | Preparation of alpha-substituted upsilon-butyrolactones | Heinz Eckhardt, Walter F. Best, Klaus Halbritter | 1989-05-16 |
| 4820389 | Novel benzaldehyde dialkyl acetals and preparation and use thereof | Dieter Degner, Franz Lanzendoerfer, Hardo Siegel | 1989-04-11 |
| 4814510 | Novel benzaldehyde derivatives, their preparation, and their use | Dieter Degner, Heinz Hannebaum | 1989-03-21 |
| 4806670 | Preparation of .alpha.-substituted .beta.-dicarbonyl and .beta.-cyanocarbonyl compounds | Klaus Halbritter, Gerd Heilen | 1989-02-21 |
| 4791098 | 2-methyl-3-(p-methylphenyl)propionitrile, preparation and use thereof as scent | Roland Martin | 1988-12-13 |
| 4784985 | Substituted 4-methyl-4,7-dihydro-1,3-dioxepins, their preparation and their use as scents | Hardo Siegel | 1988-11-15 |
| 4758548 | Novel aliphatic aldehydes and their preparation | Hardo Siegel | 1988-07-19 |
| 4757051 | 2-tert-butyl-4-methylcyclohexanol derivatives, their preparation and their use as scents | Werner Hoffman, Ludwig Schuster | 1988-07-12 |
| 4751214 | Use of 2-tert-butyl-4-methylcyclohexanol as a scent and as a component of scent compositions | Werner Hoffmann, Klaas Jansen, Wolfgang Lengsfeld, Ludwig Schuster | 1988-06-14 |
| RE32676 | 7-aminozolo[1,5-a]pyrimidines and fungicides containing these | Karl Eicken, Hermann Graf, Hubert Sauter, Costin Rentzea, Ernst-Heinrich Pommer +1 more | 1988-05-24 |
| 4720603 | Preparation of p-cymene and homologous alkylbenzenes | Roland Martin | 1988-01-19 |
| 4707302 | 2-substituted 4,4,7,7-tetramethyl-1,3-dioxacycloheptanes, preparation and use thereof as scents | Hardo Siegel | 1987-11-17 |
| 4684743 | Preparation of alpha-substituted .beta.-dicarbonyl, .beta.-cyano-carbonyl and .beta.-dicyano compounds | Klaus Halbritter, Gerd Heilen | 1987-08-04 |
| 4654167 | p-Alkoxycyclohexylalkanols and p-alkoxycyclohexylalkyl esters and their use as scents | Dieter Degner, Werner Hoffmann, Ludwig Schuster | 1987-03-31 |