Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7432329 | Dispersing agents for pigments or extenders based on acrylic acid alkyl ester polymers | Karlheinz Haubennestel, Ulrich Orth | 2008-10-07 |
| 7317062 | Copolymers, preparation thereof and use as wetting agents and dispersants | Karlheinz Haubennestel, Werner Tiegs | 2008-01-08 |
| 7205351 | Processing aids for the processing of synthetic polymer compositions | Bärbel Gertzen, Andrea Esser, Karlheinz Haubennestel | 2007-04-17 |
| 6596816 | Dispersing agents for pigments or extenders based on acrylic acid alkyl ester polymers | Karlheinz Haubennestel, Ulrich Orth | 2003-07-22 |
| 6111054 | Products obtainable by salt formation from polyamines and the use thereof as dispersing agents for pigments and extenders | Karlheinz Haubennestel, Ulrich Orth, Udo Krappe | 2000-08-29 |
| 5151218 | Phosphoric acid esters, method of producing them, and use thereof as dispersants | Karl-Heinz Haubennestel | 1992-09-29 |
| 5130463 | Phosphoric acid esters, method of producing them, and use thereof as dispersants | Karl-Heinz Haubennestel | 1992-07-14 |
| 4942213 | Addition compounds useful as dispersing agents and dispersion stabilizers, process for producing them, their use and solids coated therewith | Karl-Heinz Haubennestel | 1990-07-17 |
| 4795796 | Addition compounds suitable for use as dispersing agents and dispersion stabilizers, process for their production, their use and solids coated therewith | Karlheinz Haubennestel | 1989-01-03 |