Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10640714 | Use of compositions having a content of 3,3′-methylenebis(5-methyloxazolidine) in the removal of sulphur compounds from process streams | Wolfgang Beilfuss, Ralf Gradtke, Stefanie Krause, Jennifer Knopf, Michael Streek +1 more | 2020-05-05 |
| 10519144 | Condensation product of 1-amino-2-propanol and formaldehyde and the use thereof for reducing the amount of hydrogen sulphide in liquids and gases | Wolfgang Beilfuss, Ralf Gradtke, Jennifer Knopf | 2019-12-31 |
| 10010071 | Liquid concentrate for the protection of compositions to be applied topically, against microbial attack | Carsten Bungenstock, Sarah Erichsen, Sabine HERWEG, Sonja Luthje | 2018-07-03 |
| 9907737 | Composition comprising ferulic acid ethyl ester and aryl alkanol | Wolfgang Beilfuss, Peter Oltmanns, Sabine HERWEG, Sarah Erichsen, Carsten Bungenstock +1 more | 2018-03-06 |
| 9883671 | Mixture of natural or nature-identical alcohols with improved effectiveness | Ralf Gradtke, Wolfgang Beilfuss, Stefan SAKULOWSKI | 2018-02-06 |
| 9872496 | Microbicidal preparations based on 1, 2-benzisothiazonlin-3-one with a content of aromatic alcohol | Wolfgang Beilfuss, Gisela Hahn, Ralf Gradtke, Wolfgang Siegert | 2018-01-23 |
| 9446071 | Antimicrobially active compositions based on zinc compound, glycerine monoalkyl ether and antioxidant | Petra Kolditz, Wolfgang Beilfuss, Carsten Bungenstock, Sabine HERWEG | 2016-09-20 |
| 8895043 | Reducing formaldehyde emissions in formal-containing compositions | Wolfgang Beilfuss, Ralf Gradtke, Ingo Krull | 2014-11-25 |
| 8877983 | Process for the preparation of 1-alkyl glycerol ethers | Wolfgang Beilfuss, Martin Balthasar, Ralf Gradtke, Heinz-Georg Steffen | 2014-11-04 |
| 8841349 | Stabilize compositions based on monoalkyl glycerol ethers and aromatic alcohols | Wolfgang Beilfuss, Ralf Gradtke, Petra Kolditz | 2014-09-23 |
| 8728998 | Glyceryl ethers as preservatives for cooling lubricants | Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Karl-Heinz Diehl | 2014-05-20 |
| 8710103 | Synergistic preparations based on mixtures of glycerol ether with aromatic alcohol for controlling mycobacteria | Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Michael Mohr | 2014-04-29 |
| 8568754 | Low-emission formaldehyde donor preparations and use thereof | Wolfgang Beilfuss, Ralf Gradtke, Ingo Krull | 2013-10-29 |
| 8501206 | Liquid concentrate for preserving cosmetics | Wolfgang Beilfuss, Gisela Hahn, Ralf Gradke | 2013-08-06 |
| 8440725 | Synergistic preparations based on mixtures of glycerol ether with aromatic alcohol for controlling mycobacteria | Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Michael Mohr | 2013-05-14 |
| 8349881 | Methods for preserving technical products such as fuels and lubricants with a microbicidal composition | Ralf Gradtke, Wolfgang Beilfuss, Wolfgang Siegert | 2013-01-08 |
| 8329063 | Low-emission formaldehyde donor preparations | Wolfgang Beilfuss, Ralf Gradtke | 2012-12-11 |
| 8197833 | Liquid concentrate for preserving cosmetics | Wolfgang Beilfuss, Gisela Hahn, Ralf Gradke | 2012-06-12 |
| 8093193 | Composition based on glycerol ether/polyol mixtures | Wolfgang Beilfuss, Sabine Wutsch, Ralf Gradtke | 2012-01-10 |
| 8084480 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Ralf Gradtke, Wolfgang Beilfuss, Wolfgang Siegert | 2011-12-27 |
| 8058218 | Composition based on glycerol ether/polyol mixtures | Wolfgang Beilfuss, Sabine HERWEG, Ralf Gradtke | 2011-11-15 |
| 7935701 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Ralf Gradtke, Wolfgang Beilfuss, Wolfgang Siegert | 2011-05-03 |
| 7846885 | Glyceryl ethers as preservatives for cooling lubricants | Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Karl-Heinz Diehl | 2010-12-07 |
| 7781467 | Microbicidal composition based on formaldehyde donor compounds and antioxidants | Ralf Gradtke, Wolfgang Beilfuss, Wolfgang Siegert | 2010-08-24 |
| 7781466 | Preparation for the fungicidal and algicidal finish of alkaline coating compositions | Petra Kolditz, Ralf Gradtke, Wolfgang Beilfuss | 2010-08-24 |