Issued Patents All Time
Showing 1–25 of 112 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476699 | Amino- and hydroxysubstituted triphenyl-s-triazines as stabilizers | Georges Metzger, Peter Michaelis, Helmut Luther | 2009-01-13 |
| 7087753 | Naphthyltriazines as stabilizers for organic material | Vien Van Toan, Georges Metzger, Thomas Schäfer, Stéphane Biry, Christophe Bulliard +1 more | 2006-08-08 |
| 6929667 | Method for the fluorescent whitening of cotton | Fabienne Cuesta, Hans Kramer, Georges Metzger, Bernd Wockenfuss | 2005-08-16 |
| 6919454 | Biphenyl-substituted triazines | Ian J. Fletcher, Jurgen Kaschig, Georges Metzger, Pascal Hayoz | 2005-07-19 |
| 6841670 | Biphenyl-substituted triazines | Ian J. Fletcher, Jurgen Kaschig, Georges Metzger | 2005-01-11 |
| 6835329 | Heteroaryl substituted hydroxyphenyltriazine uv-absorbers | Hanspeter Sauter, Rudolf Zink | 2004-12-28 |
| 6818205 | Use of fluorescent whitening agents | Helmut Luther, Georges Metzger | 2004-11-16 |
| 6783698 | Mixtures of fluorescent whitening agents | Hanspeter Sauter, Hans Kramer, Werner Schreiber | 2004-08-31 |
| 6730655 | Biphenyl diquaternary ammonium compounds | Dietmar Ochs, Hanspeter Sauter, Fernand Hoffstetter | 2004-05-04 |
| 6719922 | Mixtures of fluorescent whitening agents | Hanspeter Sauter, Hans Kramer, Werner Schreiber | 2004-04-13 |
| 6706930 | Process for the preparation of halogenated hydroxydiphenyl compounds | Armando Di Teodoro, Werner Hölzl, Rudolf Zink | 2004-03-16 |
| 6596907 | Process for the preparation of 4,4′-dihalogen-o-hydroxydiphenyl compounds | Armando Di Teodoro, Werner Hölzl, Rudolf Zink | 2003-07-22 |
| 6528469 | Fabric bleaching composition | Georges Metzger | 2003-03-04 |
| 6482241 | Asymmetric stilbene compounds | Georges Metzger, Claude Eckhardt, Fabienne Cuesta | 2002-11-19 |
| 6468958 | Biphenyl-substituted triazines | Ian J. Fletcher, Jurgen Kaschig, Georges Metzger, Pascal Hayoz | 2002-10-22 |
| 6464735 | Fluorescent whitening agents | Peter Rohringer, Georges Metzger | 2002-10-15 |
| 6458169 | Fluorescent whitening agents | Peter Rohringer, Georges Metzger | 2002-10-01 |
| 6384284 | Biphenyl compounds substituted by camphor or hydantoin derivatives as sunscreen compositions | Rudolf Zink, Helmut Luther, Bernd Herzog | 2002-05-07 |
| 6365737 | Process for the preparation of stilbene compounds | Georges Metzger, Fabienne Cuesta, Peter Rohringer, Rene Schlatter | 2002-04-02 |
| 6255483 | Biphenyl-substituted triazines | Ian J. Fletcher, Jurgen Kaschig, Georges Metzger, Pascal Hayoz | 2001-07-03 |
| 6228127 | Bleaching or washing composition | Georges Metzger | 2001-05-08 |
| 6221342 | Cosmetic use of Bis(resorcinyl)triazine derivatives | Dietmar Huglin, Helmut Luther | 2001-04-24 |
| 6215029 | Process for the preparation of halogenated hydroxydiphenyl compounds | Urs Burckhardt, Armando Di Teodoro, Werner Hölzl, Rudolf Zink, Hanspeter Sauter +1 more | 2001-04-10 |
| 6210449 | Fluorescent whitening agents | Peter Rohringer, Georges Metzger | 2001-04-03 |
| 6201000 | Use of selected benzotriazole derivatives for protecting human and animal skin and hair from the harmful effects of UV radiation | Helmut Luther, Rudolf Zink | 2001-03-13 |