Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370570 | Low-modulus silylated polyurethanes | Lars Zander, Marc Pascal Burmeister, Rolf Tenhaef, Johann Klein, Jan-Erik Damke | 2019-08-06 |
| 7071254 | Preparation containing gypsum from flue gas desulphurisation, method for using the same and use thereof | Johann Klein, Gaby Schilling, Sabine Sipmann, Ralph Schuetze, Friedheim Koepnick +3 more | 2006-07-04 |
| 6828382 | Polyacrylate joint sealants | Klaus Helpenstein, Wolfgang Klauck, Johann Klein, Lydia Duhm | 2004-12-07 |
| 6790903 | Dispersions of silyl-terminated polymers with a high solids content, their production and their use | Martin Majolo, Wolfgang Klauck, Johann Klein, Wolfgang Ernst, Gaby Schilling | 2004-09-14 |
| 6726798 | Polystyrene binders | Kai Boege, Michael Dziallas, Klaus Helpenstein, Wolfgang Klauck, Johann Klein +2 more | 2004-04-27 |
| 5134180 | Use of nonionic cellulose ethers in jointing and coating compounds based on aqueous polymer dispersions | Klaus Helpenstein, Tore Podola, Bernhard Knop | 1992-07-28 |
| 5118731 | Early-rain-resistant joint-sealing compounds | Klaus Helpenstein, Tore Podola, Bernhard Knop | 1992-06-02 |
| 5118732 | Early-rain-resistant joint-sealing compounds | Klaus Helpenstein, Tore Podola, Bernhard Knop | 1992-06-02 |
| 5118730 | Early-rain-resistant joint-sealing compounds | Klaus Helpenstein, Tore Podola, Bernhard Knop | 1992-06-02 |
| 5004769 | Use of nonionic cellulose ethers in joint-sealing materials and coating materials | Klaus Helpenstein, Tore Podola, Bernhard Knop | 1991-04-02 |