Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5190747 | Oral or detergent composition comprising a nonionic surface active agent | Tomoko Yasumasu, Hiroshi Miyake, Yoshihisa Endo | 1993-03-02 |
| 5154855 | Emulsified composition | Hiroshi Miyake, Haruhiko Toda | 1992-10-13 |
| 5109127 | Nonionic surface active agent | Tomoko Yasumasu, Hiroshi Miyake, Yoshihisa Endo | 1992-04-28 |
| 4816188 | Process for the preparation of saturated/unsaturated mixed fatty acid ester sulfonates | Kyozo Kitano | 1989-03-28 |
| 4579687 | Process for producing salt of alpha-sulfo fatty acid alkyl ester | Katsumasa Nagano, Kyozo Kitano | 1986-04-01 |
| 4561999 | Surfactant composition | Kyozo Kitano, Katsumasa Nagano | 1985-12-31 |
| 4545939 | Process for producing sulfonate of unsaturated fatty acid ester | Kyozo Kitano, Katsumasa Nagano | 1985-10-08 |
| 4404143 | Process for producing high concentration solution of salt of alpha-sulfo fatty acid ester | Yozo Miyawaki, Toshiaki Ogoshi | 1983-09-13 |
| 4318823 | Light colored homogeneous and aqueous alpha olefin sulfonate solutions | Tetsuo Tano, Kyozo Kitano, Toshiaki Ogoshi | 1982-03-09 |
| 4309317 | Clear aqueous olefin sulfonate solution | Tetsuo Tano, Kyozo Kitano | 1982-01-05 |
| 4279786 | Homogeneous aqueous alpha-olefin sulfonate composition | Tetsuo Tano, Kyozo Kitano | 1981-07-21 |
| 4248793 | Process for the production of internal olefin sulfonate | Katsumasa Nagano, Yozo Miyawaki, Kyozo Kitano | 1981-02-03 |
| 4185034 | Bleaching olefin sulfonates with phosphate and peroxide | Kazuo Yamamoto, Yozo Miyawaki | 1980-01-22 |
| 4183867 | Method for preparation of internal olefin sulfonate | Katsumasa Nagano, Kyozo Kitano | 1980-01-15 |