Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458870 | Process for preparing an aqueous solution of sulfanilic acid modified melamine-formaldehyde resin and a cement composition | Jun Uchida, Yuhji Sudoh, Keisuke Nakayama | 2002-10-01 |