Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111181 | Cement with reduced permeability | Astri Kvassnes | 2021-09-07 |
| 11054353 | Bond strength testing | Astri Kvassnes, Benny Suryanto, Jaehwan Kim | 2021-07-06 |
| 11014851 | Composition of a cement additive material as an additive to cementitious mineral admixtures, and utilized as latent hydraulic binders to improve the outcome of cementitious products | Astri Kvassnes | 2021-05-25 |