Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696070 | Quarternary ammonium salt, method for production thereof, and softener composition using salt | Osamu Tachizawa, Akira Sakaguchi, Tohru Katoh, Noriko Yamaguchi, Junichi Inokoshi +1 more | 1997-12-09 |
| 5646317 | Processes for the preparation of N-(long-chain acyl)amino acid and salt thereof, and intermediate amidonitrile and process for the preparation thereof | Youhei Kaneko | 1997-07-08 |
| 5606104 | Process for the preparation of acyloxybenzenesulfonic acid or salt thereof | Yoshio Hatayama, Katsuhisa Inoue, Hiroshi Danjo | 1997-02-25 |