| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 1 | |
| #2 | Brazil | 1 | |
| #3 | EPO (European Patent Office) | 1 | |
| #4 | Spain | 1 | |
| #5 | Greece | 1 | |
| #6 | Ireland | 1 | |
| #7 | Israel | 1 | |
| #8 | New Zealand | 1 | |
| #9 | United States | 1 | |
| #10 | WIPO (World Intellectual Property Organization) | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Rare-earth metal compounds | |
| #2 | Non-metallic elements | |
| #3 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hill Robert Graham Douglas | 3 |
| #2 | Douglas Hill Robert Graham | 2 |
| #3 | Hill Robert Graham D | 1 |
| #4 | Hill R G | 1 |
| #5 | Hill Robert G D | 1 |
| #6 | Hil Robert Graham Douglas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES2004180A6 | Mfr. of a magnesium cement | |
| IE863394L | Magnesium cement | |
| AU6834487A | Magnesium cement |