Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8017724 | Method for producing sulfonic acid group-containing carbonaceous material, solid acid catalyst, method for producing alkylation reaction product, and method for producing olefin polymer | Shinichirou Yanagawa, Hidesato Kondo | 2011-09-13 |
| 8013130 | Carbon-based solid acid, catalyst comprising the solid acid, and reaction using the solid acid as catalyst | Shinichirou Yanagawa, Hidesato Kondo | 2011-09-06 |