Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7326744 | Low dusting crystal transformations of 2,2′-methylenebis[4-(1,1,3,3-tetramethylbutyl)-6-benzotriazolylphenol] and mixture thereof, method for preparing them, and ultraviolet light absorber using them | Yoshinori Ohmae, Yuichi Kaneko, Masayuki Nishimatsu | 2008-02-05 |
| 7317046 | Cyclic phosphazenes, process for preparing them, flame retardant containing them as active ingredient, and resin composition containing them and molded article therefrom | Heinosuke Yasuda, Masayuki Nishimatsu, Yoshinori Ohmae | 2008-01-08 |
| 5187289 | Method of preparing 2-phenyl benzotriazoles | Kazunobu Kubota, Kunitoshi Iguchi | 1993-02-16 |
| 5104992 | Method of preparing 2-phenyl benezothriazoles | Kazunobu Kubota, Kunitoshi Iguchi | 1992-04-14 |