| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | United States | 3 | |
| #3 | African Regional Industrial Property Organization | 2 | |
| #4 | Canada | 2 | |
| #5 | Norway | 2 | |
| #6 | WIPO (World Intellectual Property Organization) | 2 | |
| #7 | EAPO (Eurasian Patent Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Materials and metallurgy | |
| #3 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Pliner Sergey | 14 |
| #2 | Shmotev Sergey | 14 |
| #3 | Shmolev Sergey | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1884550A1 | Precursor compositions for ceramic proppants | |
| EP1884549A1 | Ceramic proppant with low specific weight |