Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812579 | Process for producing N-substituted maleimides | Yasuyuki Takayanagi | 1989-03-14 |
| 4408067 | Process for producing carboxylic acid esters from nitriles | Tomio Nakamura | 1983-10-04 |
| 4337215 | Process for purifying 2-acrylamido-2-methylpropanesulfonic acid | Masatake Kamogawa | 1982-06-29 |
| 4321411 | Process for producing N-substituted acrylamide or methacrylamide | Tomio Nakamura | 1982-03-23 |
| 4219498 | Process for preparing highly pure-2-acrylamido-2-methylpropanesulfonic acid | Masatake Kamogawa | 1980-08-26 |