Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693644 | Wood preservatives | Tsuguhiro Katoh | 1997-12-02 |
| 5663436 | Isothiazolone derivative and microbicidal composition comprising the same as active ingredient | Akiko Kakimizu, Kenji Arai, Norio Kimura | 1997-09-02 |