Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404143 | Process for producing high concentration solution of salt of alpha-sulfo fatty acid ester | Shizuo Sekiguchi, Yozo Miyawaki | 1983-09-13 |
| 4318823 | Light colored homogeneous and aqueous alpha olefin sulfonate solutions | Shizuo Sekiguchi, Tetsuo Tano, Kyozo Kitano | 1982-03-09 |
| 4261917 | Process for manufacturing a highly concentrated sulfate solution or slurry | Akira Hayashi, Yoshio Acki, Kyozo Kitano | 1981-04-14 |
| 4213918 | Process for producing clear aqueous solution of olefin sulfonic acid | Akira Hayashi, Haruo Ohkouchi, Kyozo Kitano | 1980-07-22 |
| 4186114 | Free-flowing granular detergent compositions containing olefin sulfonates | Masayoshi Nakamura, Mitsuyoshi Yazaki | 1980-01-29 |