Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11834522 | Methyl-ethyl-hydroxyalkyl-cellulose and its use in building compositions | Leif Magnus Joakim Anger, Lars Erik Berglund, Alexander Zapf | 2023-12-05 |
| 7288149 | Aqueous cement composition | Hans Rydgren | 2007-10-30 |
| 6022407 | Concrete mixture which yields concrete having high strength at varying density, method for producing the mixture and the concrete, and use of an anionic additive | Ingemar Johansson, Kjell Svedman, Marita Naslund | 2000-02-08 |
| 4650000 | Acidizing method using microemulsion | Eva Andreasson, Finn Egeli, Krister Holmberg, Borje Nystrom, Eva sterberg | 1987-03-17 |