Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885112 | Surface active secondary amidoamino acid or salt compounds | Kohshiro Sotoya, Makoto Kubo, Kazuhiko Okabe, Masanobu Tanigaki, Masaji Yamanishi | 1989-12-05 |
| 4876034 | Secondary amidoamino acid based detergent composition | Hidekazu Ogino, Sahoko Igarashi, Kohshiro Sotoya | 1989-10-24 |
| 4832950 | Antimicrobial suspensions and antimicrobial hair treatment compositions | Susumu Takaya, Motoko Nakamura | 1989-05-23 |
| 4824604 | Detergent composition | Kazuyuki Yahagi, Kaoru Tsujii, Yoshihisa Matsumura | 1989-04-25 |
| 4803010 | Water-soluble viscosity increasing agent and detergent composition containing the same | Hidekazu Ogino, Hiroshi Kamitani, Jun Kamegai, Hiroki Sawada, Tomihiro Kurosaki | 1989-02-07 |