Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306161 | Preparation of isobutene homo- or copolymer derivatives | Hannah Maria Koenig, Klaus Muehlbach, Helmut Mach | 2022-04-19 |
| 10745496 | Preparation of isobutene homo- or copolymer derivatives | Hannah Maria Koenig, Klaus Muehlbach, Helmut Mach | 2020-08-18 |
| 9562117 | Preparation of derivatives of isobutene copolymers | Hannah Maria König, Klaus Mühlbach, Helmut Mach | 2017-02-07 |
| 9296841 | Preparation of isobutene homo- or copolymer derivatives | Hannah Maria König, Klaus Mühlbach, Helmut Mach | 2016-03-29 |
| 8697820 | Process for preparing high-reactivity isobutene homo- or copolymers | Hannah Maria Koenig, Klaus Muehlbach, Thomas Wettling, Herbert Mayr | 2014-04-15 |
| 6509403 | Moulding materials with a polyarylene ether sulfone and aliphatic polyamide base | Martin Weber, Joachim Queisser | 2003-01-21 |
| 5834542 | Impact-resistant thermoplastic molding materials | Sabine Kielhorn-Bayer, Friedhelm Lehrich | 1998-11-10 |
| 5087500 | Multilayer panel | Dietmar Kasper, Herbert Woltron, Guenter Kreibiehl, Norbert Becker | 1992-02-11 |
| 5035736 | Herbicides which contain 2-(4-aryloxy)phenoxyacetic or -propionic acid derivatives and/or cyclohexenone derivatives as herbicidal active ingredients and naphthalene derivatives as antidotes | Helmut Hagen, Juergen Pfister, Bruno Wuerzer, Wilfried Helbig, Karl-Otto Westphalen | 1991-07-30 |
| 5008472 | "Preparation of 4,4""-dihydroxyterphenyl" | — | 1991-04-16 |
| 4996354 | Preparation of 2,4-dihydroxybenzoic acid | Peter Neumann | 1991-02-26 |
| 4990660 | Preparation of aromatic hydroxycarboxylic acids | Peter Neumann | 1991-02-05 |
| 4982005 | Preparation of benzophenones | Peter Neumann | 1991-01-01 |
| 4922031 | Preparation of 4,4'-dihydroxybiphenyl | Peter Neumann | 1990-05-01 |
| 4808212 | Oxime esters of substituted quinoline-8-carboxylic acids and use thereof as herbicides | Peter Plath, Karl Eicken, Bernd Zeeh, Helmut Hagen, Rolf-Dieter Kohler +2 more | 1989-02-28 |
| 4804404 | 2 and/or 3-trifluoromethyl-substituted quinoline 8-carboxylic acid derivatives and their use for controlling undesirable plant growth | Helmut Hagen, Rolf-Dieter Kohler, Peter Plath, Thomas Liese-Sauer, Karl Eicken +2 more | 1989-02-14 |
| 4797148 | Quinoline derivatives and their use for controlling undesirable plant growth | Helmut Hagen, Peter Plath, Norbert Meyer, Bruno Wuerzer | 1989-01-10 |