Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845239 | Phosphoric esters and process for preparing the same | Junya Wakatsuki, Tohru Katoh, Akira Matsunaga | 1989-07-04 |
| 4812254 | Detergent composition | Junya Wakatsuki, Tomohiko Sano | 1989-03-14 |
| 4804533 | Metal salts of monoalkyl phosphates, preparation thereof, and cosmetic compositions comprising same | Takashi Imamura, Norio Nishigawa, Junichi Fukasawa, Haruya Kato | 1989-02-14 |
| 4803010 | Water-soluble viscosity increasing agent and detergent composition containing the same | Hidekazu Ogino, Hiroshi Kamitani, Jun Kamegai, Hiroki Sawada, Hajime Hirota | 1989-02-07 |