Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699830 | Crosslinked copolymer of unsaturated carboxylic acid and process for producing the same, copolymer of unsaturated carboxylic acid, biodegradeable builder, and detergent composition | Shigeru Matsuo | 2004-03-02 |