IP

Irina PORTNAYA

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Samara, RU: #123 of 470 inventorsTop 30%
Overall (All Time): #3,737,153 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5494939 Porous polymer material and process for production thereof Efim S. Vainerman 1996-02-27