Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730804 | Process for preparing cyclopropanecarboxylates of lower alcohols | Manfred Kaufhold | 2004-05-04 |
| 6613934 | Enantiomerically enriched malonic acid monoesters substituted by a tertiary hydrocarbon radical, and their preparation | Udo Jegelka, Wolfgang Kleemiss, Bruno Klotz-Berendes | 2003-09-02 |
| 6580004 | Process for preparing potassium monoethyl malonate | Juergen Muhr | 2003-06-17 |
| 6399809 | Process for the preparation of amino acid derivatives | Wolfgang Kleemiss | 2002-06-04 |
| 6172257 | Process for preparing potassium monoethyl malonate | Juergen Muhr | 2001-01-09 |
| 6156214 | Process for removing mercury from alkali metal alkoxide solutions | Marcus Bongen, Guenter Zoche | 2000-12-05 |
| 6143920 | Process for the preparation of methoxyacetic acid esters | Wolfgang Kleemiss, Klaus-Dieter Steffen | 2000-11-07 |
| 6121466 | Process for the preparation of macrocyclic esters | Clemens Osterholt, Josef Metz, Gunther Kohler | 2000-09-19 |
| 6107522 | Process for the preparation of cyclopropylamine | Wolfgang Kleemiss, Manfred Kaufhold | 2000-08-22 |
| 5861533 | Process for nitrosation of C-H-acidic compounds | Frank Bauer | 1999-01-19 |
| 5847197 | Process for the preparation of aminomalonic acid ester salts | Frank Bauer | 1998-12-08 |
| 5831119 | Process for the preparation of aminoacetic acids with a tertiary hydrocarbon radical in the .alpha.-position, or their nitriles | Frank Bauer, Wolfgang Kleemiss | 1998-11-03 |
| 5767326 | Process for preparing hydroxymethylcyclopropane | Wolfgang Kleemiss | 1998-06-16 |
| 5717111 | Process for the continuous preparation of macrocyclic compounds | Guenther Koehler, Josef Metz | 1998-02-10 |
| 5629455 | Process for preparing cyclopropyl alkyl ketones and 4,5-dihydroalkylfurans | Manfred Kaufhold | 1997-05-13 |
| 5616723 | Process for the preparation of 3-amino-5-methylpyrazole | J urgen Muhr | 1997-04-01 |
| 5569781 | Process for the preparation of 1-aminocyclopropanecarboxylic acid hydrochloride | Wolfgang Kleemiss | 1996-10-29 |
| 5481019 | Process for the preparation of alkali metal salts of cyanoacetone | Jurgen Muhr | 1996-01-02 |
| 5412146 | Process for the preparation of 2-cyanoacetoxypropionic esters | Manfred Kaufhold | 1995-05-02 |
| 5274093 | Process for the preparation of sodium thiobarbiturate | — | 1993-12-28 |
| 5097030 | Process for the preparation of 2-(methylthio)barbituric acid | Friedrich Goerentz | 1992-03-17 |
| 4764638 | Method for the preparation of 2,6-naphthalene dicarboxylic acid | — | 1988-08-16 |
| 4605757 | Method of preparing halogen benzoic acids from toluenes halogenated in the nucleus | — | 1986-08-12 |
| 4603220 | Process for the preparation of aromatic monocarboxylic acids from toluene and substituted toluenes | — | 1986-07-29 |
| 4490297 | Method for the recovery and reuse of cobalt and/or manganese components of catalysts | Gunter Zoche | 1984-12-25 |