Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8076363 | Isothiazolone-containing preservative with improved effectiveness | Wolfgang Beilfuss, Petra Kolditz | 2011-12-13 |
| 8058218 | Composition based on glycerol ether/polyol mixtures | Wolfgang Beilfuss, Sabine HERWEG, Klaus Weber | 2011-11-15 |
| 7935701 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert | 2011-05-03 |
| 7846885 | Glyceryl ethers as preservatives for cooling lubricants | Wolfgang Beilfuss, Wolfgang Siegert, Karl-Heinz Diehl, Klaus Weber | 2010-12-07 |
| 7781467 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Wolfgang Beilfuss, Klaus Weber, Wolfgang Siegert | 2010-08-24 |
| 7781466 | Preparation for the fungicidal and algicidal finish of alkaline coating compositions | Petra Kolditz, Klaus Weber, Wolfgang Beilfuss | 2010-08-24 |
| 7481973 | Composition and process for chemical and thermal disinfection | Wolfgang Beilfuss, Peter Goroncy-Bermes, Sabine Behrends, Michael Mohr | 2009-01-27 |
| 7368466 | Low-temperature-stable preservatives | Wolfgang Beilfuss, Olaf Kramf, Andreas Teevst | 2008-05-06 |
| 7364746 | Liquid concentrate for the preservation of cosmetic and pharmaceutical products | Gisela Hahn, Klaus Weber, Wolfgang Beilfuss | 2008-04-29 |
| 7268102 | Glyceryl ethers as preservatives for cooling lubricants | Wolfgang Beilfuss, Wolfgang Siegert, Karl-Heinz Diehl, Klaus Weber | 2007-09-11 |
| 7045542 | Low-temperature-stable preservatives | Wolfgang Beilfuss, Olaf Kramf, Andreas Teevst | 2006-05-16 |
| 6956062 | Storage-stable compositions of glycerol monoalkyl ethers | Wolfgang Beilfuss | 2005-10-18 |
| 6465498 | Use of derivatives of methylene-bis-oxazolidine and compositions obtained thereby | Wolfgang Beilfuss | 2002-10-15 |
| 6380391 | Process for the preparation of bis(4-amino-1-pyridinium) alkanes | Wolfgang Beilfuss, Michael Streek | 2002-04-30 |
| 6348483 | Use of derivatives of methylene-bis-oxazolidine and compositions obtained thereby | Wolfgang Beilfuss | 2002-02-19 |