| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Switzerland | 2 | |
| #3 | Austria | 1 | |
| #4 | Belgium | 1 | |
| #5 | Germany | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | Italy | 1 | |
| #9 | Japan | 1 | |
| #10 | Netherlands | 1 | |
| #11 | African Intellectual Property Organization | 1 | |
| #12 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Laleman Charles | 7 |
| #2 | Charles Laleman | 1 |
| #3 | Shiyaruru Raruman | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2753592A1 | METHOD OF MANUFACTURING A LIGHTWEIGHT MATERIAL | |
| CA868958A | Retardateurs de prise pour ciments, chaux hydrauliques et autres liants hydrauliques |