Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413076 | Polyalkylpiperdine side chain stabilizers for synthetic polymer compositions | Syoji Morimura, Takao Yoshioka, Tomoyuki Kurumada | 1983-11-01 |
| 4371644 | Piperidine derivatives and their use as polymer stabilizers | Syoji Moromura, Takao Yoshioka, Tomoyuki Kurumada | 1983-02-01 |
| 4265803 | Polymers containing polyalkylpiperidines and use thereof as stabilizers | Syoji Morimura, Takao Yoshioka, Tomoyuki Kurumada | 1981-05-05 |
| 4237294 | 2,2,6,6-Tetramethylpiperidine derivatives | Syoji Morimura, Takao Yoshioka, Tomoyuki Kurumada | 1980-12-02 |
| 4219465 | Piperidine-spiro-hydantoin derivatives and their use as polymer stabilizers | Syoji Morimura, Takao Yoshioka, Tomoyuki Kurumada | 1980-08-26 |
| 4191683 | Derivatives of 4-aminopiperidine as stabilizers for polymers | Heimo Brunetti, Jean Rody, Tomoyuki Kurumada | 1980-03-04 |