Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4393113 | Novel silicon-containing copolymer, ultrathin solid membrane composed of said copolymer, use of said solid membrane for concentrating a specified gas in a gaseous mixture, and process for producing said solid membrane | Kiyoshi Sugie, Teizo Yamaji | 1983-07-12 |
| 4220563 | Heat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparation | Shigeyoshi Hara | 1980-09-02 |