Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10766816 | Building composition marker | — | 2020-09-08 |
| 10519064 | Process and additive to improve adhesion of building compositions to substrates | Hongli Willimann, Robert Koelliker, Andrey Petrovich Pustovgar, Hans Wicki, Urs Heini | 2019-12-31 |
| 9353005 | Process for production of powder redispersible in water and use thereof | Adrian Keller | 2016-05-31 |
| 9126868 | Process and additive to improve adhesion of compositions to substrates | Robert Koelliker | 2015-09-08 |
| 8703874 | Powder to hydrophobise and its use | [Andrei] Andrey P. Pustovgar, Franck Vallée, Paul Emmenegger, Dominique Schaub | 2014-04-22 |
| 8680181 | Process to hydrophobize cement-free mortars | Paul Emmenegger, Robert Koelliker | 2014-03-25 |
| 4704654 | Over-voltage protective circuit for semiconductor network | David V. Belzen, Immanuel Krauter | 1987-11-03 |