Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873292 | Antithrombogenic synthetic polymer and process for its preparation | Kohei Sanui, Nobuhiko Yui, Kazunori Kataoka, Teruo Okano, Yasuhisa Sakurai | 1989-10-10 |
| 4843053 | Low temperature synthesis of condensation polymers | — | 1989-06-27 |
| 4804730 | Process for producing an aliphatic polyester by polymerizing dicarboxylic acid and glycol in the presence of phosphorus or silicon-phosphorus compound acid acceptor and halogenated organic compound | — | 1989-02-14 |