Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10202495 | Enzymatically modified lignins | Michael Richter, Tobias HECK, Dagmara Jankowska | 2019-02-12 |
| 7994259 | Polymer comprising amide and ester groups, method for production and use thereof | Ueli Sulser, Ulf Velten, Anna Krapf | 2011-08-09 |
| 7375163 | Cement admixture for improved slump life | Theodor Burge, Ulf Velten, Jurg Widmer, Christian Bürge, Urs Mader | 2008-05-20 |
| 7026402 | Cement admixture for improved slump life | Theodor Burge, Ulf Velten, Jurg Widmer, Christian Bürge, Urs Mader | 2006-04-11 |
| 6855752 | Polymers for cement dispersing admixtures | Ulf Velten, Ueli Sulser, Jurg Widmer, Theodor Burge | 2005-02-15 |
| 6548589 | Cement dispersing polymers for high flow, high strength and selfcompacting concrete | Jurg Widmer, Ueli Sulser, Ulf Velten, Theodor Burge | 2003-04-15 |
| 5100984 | Water-soluble copolymers, a process for their preparation and their use as fluidizers in suspensions of solid matter | Theodor Burge, Jurg Widmer, Ueli Sulser | 1992-03-31 |