Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9872496 | Microbicidal preparations based on 1, 2-benzisothiazonlin-3-one with a content of aromatic alcohol | Wolfgang Beilfuss, Klaus Weber, Ralf Gradtke, Wolfgang Siegert | 2018-01-23 |
| 8501206 | Liquid concentrate for preserving cosmetics | Wolfgang Beilfuss, Klaus Weber, Ralf Gradke | 2013-08-06 |
| 8197833 | Liquid concentrate for preserving cosmetics | Wolfgang Beilfuss, Klaus Weber, Ralf Gradke | 2012-06-12 |
| 7537776 | Liquid concentrate for preserving cosmetics | Wolfgang Beilfuss, Klaus Weber, Ralf Gradke | 2009-05-26 |
| 7364746 | Liquid concentrate for the preservation of cosmetic and pharmaceutical products | Klaus Weber, Ralf Gradtke, Wolfgang Beilfuss | 2008-04-29 |