Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9102613 | Method for producing sorbic anhydride and also use thereof as a preservative in foods | Ralf Krahwinkel, Robert Markert, Erasmus Vogl | 2015-08-11 |
| 8440719 | Preservatives based on carboxylic anhydrides | Johannes Kaulen, Erasmus Vogl, Manfred Hoffmann | 2013-05-14 |
| 8207224 | Preservatives based on carboxylic anhydrides | Johannes Kaulen, Erasmus Vogl, Manfred Hoffmann | 2012-06-26 |
| 6350893 | Method for the production of dibenzyl carbonates | Claus Dreisbach | 2002-02-26 |
| 6160160 | Process for preparing benzyl carbazates | Robert Sollner, Claus Dreisbach, Frank Jelitto | 2000-12-12 |
| 5756824 | Process for the preparation of carbazates | Heinz Landscheidt, Alexander Klausener | 1998-05-26 |
| 5081288 | Process for the preparation of substituted 3,5-dichloro-2,4-difluoro-benzenes | Heinz U. Blank | 1992-01-14 |
| 5068428 | Process for the preparation of cyclopropanecarboxamide | Herbert Diehl, Heinz U. Blank | 1991-11-26 |
| 5032687 | Process for the preparation of cyclopropylamine | Herbert Diehl, Heinz U. Blank | 1991-07-16 |
| 4868347 | Process for obtaining substituted fluorobenzenes | Heinz U. Blank | 1989-09-19 |