Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556635 | Films based on copolymers, their applications in transdermal systems and their processes of preparation | Michel Istin, Jean-Marc Grognet | 1996-09-17 |
| 5110683 | Films having in their thickness at least two superimposed zones, including an insulating zone and a conductive zone, and the production thereof by irradiating a polymer film by means of a beam of high energy ions | Emmanuel Balanzat, C. Boiziau, Jean-Paul Duraud, Alain LeMoel | 1992-05-05 |
| 4983460 | Films having in their thickness at least two superimposed zones, including an insulating zone and a conductive zone, and the production thereof by irradiating a polymer film by means of a beam of high energy ions | Emmanuel Balanzat, C. Boiziau, Jean-Paul Duraud, Alain Le Moel | 1991-01-08 |
| 4861480 | Organomineral semipermeable membrane and its production process | Michel Berardo, Jean-Marie Martinet, Gilbert Roche | 1989-08-29 |