Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8841370 | Wear-resistant rubber based on propylene oxide rubber and ultrafine polytetrafluoroethylene | Viktoriya Vitalievna Portnyagina | 2014-09-23 |
| 8822579 | Frost-resistant rubber based on propyleneoxide rubber and natural bentonites | Viktoriya Vitalievna Portnyagina | 2014-09-02 |