Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351765 | Process for the production of compounds having in the molecule at least one .beta.-sulfatoethyl-sulfone group and at least one sulfonic acid group | Taira Fujita, Hiroyuki Nakagawa, Kimiyuki Kobayashi, Katuhiko Okamoto | 1982-09-28 |