Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8728998 | Glyceryl ethers as preservatives for cooling lubricants | Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Klaus Weber | 2014-05-20 |
| 7846885 | Glyceryl ethers as preservatives for cooling lubricants | Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Klaus Weber | 2010-12-07 |
| 7268102 | Glyceryl ethers as preservatives for cooling lubricants | Wolfgang Beilfuss, Ralf Gradtke, Wolfgang Siegert, Klaus Weber | 2007-09-11 |
| 5756500 | Aqueous dispersion having a fungicidal and algicidal effect | Wolfgang Beilfuss, Heinz Eggensperger, Peter Oltmanns | 1998-05-26 |
| 5670160 | Preservatives and their use | Heinz Eggensperger, Peter Oltmanns | 1997-09-23 |
| 5591442 | Skin antiseptic and hand disinfectant | Heinz Eggensperger, Peter Goroncy-Bermes, Peter Oltmanns, Susanne Toefke | 1997-01-07 |
| 5516510 | Deodorizing active ingredients | Wolfgang Beilfuss, Heinz Eggensperger, Peter Oltmanns | 1996-05-14 |
| 5387605 | Carboxylic acids that are effective against TB | Wolfgang Beilfuss, Heinz Eggensperger, Michael Mohr | 1995-02-07 |
| 5276047 | Liquid 1,2-benzoisothiazoline-3-one preparation | Heinz Eggensperger, Peter Oltmanns, Karl-Heinz Scheler | 1994-01-04 |
| 5185145 | Disinfectant concentrate and its use as a mycobactericide and viricide | Heinz Eggensperger, Helmut Nolte, Helmut Rackur, Ute Eggers-Maass, Michael Mohr +2 more | 1993-02-09 |
| 5147884 | Preservative for aqueous products and systems | Peter Oltmanns | 1992-09-15 |
| 4917815 | Stable aqueous aromatic percarboxylic acid solution | Wolfgang Beilfuss | 1990-04-17 |
| 4900736 | Salts of alkyl-2-benzimidazole-carbamate and fungicidal compositions thereof suitable for paints and plaster | — | 1990-02-13 |
| 4770705 | Salts of alkyl-2-benzimidazole-carbamate and fungicidal compositions thereof suitable for paints and plaster | — | 1988-09-13 |
| 4379137 | Disinfecting and preserving composition comprising a synergistic combination of a polymeric quaternary ammonium compound and a 3-isothiazolone compound | Helmut H. Ehlers, Heinz Eggensperger, Lothar Bucklers, Ulrich Eigener, Norbert Weigand | 1983-04-05 |