Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824605 | Additive for the preparation of ecological permeable concretes with high compression, bending and abrasion resistance, and production process | Nestor De Buen-Unna, Jaime Grau-Genesias | 2004-11-30 |
| 6660077 | Additive for the preparation of ecological permeable concretes with high compression, bending and abrasion resistance, and production process | Nestor De Buen-Unna, Jaime Grau-Genesias | 2003-12-09 |