Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4512809 | Process for producing, from aluminous siliceous materials, clinker containing alkali metal aluminate and dicalcium silicate, and use thereof | Hans Christian Langstrup Nielsen | 1985-04-23 |
| 4472202 | Process for producing hydraulic cement from dicalcium silicate | Hans Christian Langstrup Nielsen | 1984-09-18 |