Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5959041 | Method of preparation of copolymers of 1,3-butadiene and styrene useful for the production of tires with low rolling resistance and copolymers of 1,3-butadiene and styrene thus obtained | Valentin Ruiz Santa Quiteria, Juan Antonio Delgado Oyague, Luisa Fraga Trillo | 1999-09-28 |
| 5798419 | Method of preparation of copolymers of 1,3-butadiene and styrene useful for the production of tires with low rolling resistance and copolymers of 1,3-butadiene and styrene thus obtained | Valentin Ruiz Santa Quiteria, Juan Antonio Delgado Oyague, Luisa Fraga Trillo | 1998-08-25 |