Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620879 | Powdery polyether carboxylate-based polymeric compositions | Hubert Leitner, Alfred Kern, Josef Weichmann | 2003-09-16 |
| 6573316 | Stabilized water-soluble polymer powders on the basis of polyoxy alkylene glycol carboxylates and method for producing same | Josef Weichmann, Konrad Wutz, Manfred Bichler, Alfred Kern | 2003-06-03 |