| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | United States | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Israel | 1 |
| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcgill Kenneth E | 10 |
| #2 | Breed Claude E | 10 |
| #3 | Sweat Samuel Franklin | 6 |
| #4 | Sweat Samuel F | 4 |
| Publication | Filing date | Title |
|---|---|---|
| WO0232808A1 | Recovering hf acid from calcium fluoride | |
| US6395246B1 | Preparation of calcium silicate and sulfur dioxide | |
| US6676914B1 | Phosphate acidulation utilizing HF acid |