Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176255 | Method for producing aqueous polymer dispersions containing colorants | Klemens Mathauer, Arno Boehm, Walter Maechtle, Peter Rossmanith, Sabine Kielhorn-Bayer +11 more | 2007-02-13 |
| 6727318 | Method for producing aqueous polymer dispersions containing colorants | Klemens Mathauer, Arno Bohm, Walter Machtle, Peter Rossmanith, Sabine Kielhorn-Bayer +11 more | 2004-04-27 |
| 6541032 | Use of finely divided dye-containing polymers PD as color-imparting constituent in cosmetic compositions | Monika Medelnick, Ellen Pfrommer, Thorsten Clemens, Peter Erk, Arno Bohm +8 more | 2003-04-01 |