Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466819 | Coupled benzotriazole and benzophenone UV absorbers | Semyon Moshchitsky | 1995-11-14 |
| 5373037 | Coupled benzotriazole and benzophenone UV absorbers | Semyon Moshchitsky | 1994-12-13 |
| 5362881 | Coupled benzotriazole and benzophenone UV absorbers | Semyon Moshchitsky | 1994-11-08 |
| 5360850 | Asymmetrical benzotriazolylphenols | Semyon Moshchitsky | 1994-11-01 |
| 5292890 | Asymmetrical benzotriazolylphenols | Semyon Moshchitsky | 1994-03-08 |
| 5262541 | Fluorenol catalyzed reduction of o-nitroazobenzenes and 2-aryl-2H-benzotriazole-N-oxides | Semyon Moshchitsky, Howard R. Leistner | 1993-11-16 |
| 5237071 | Process for preparing 2,2'-methylene-bis(6-(2H-benzotriazol-2-yl)-4-hydrocarbyl phenols) | Semyon Moshchitsky, Mahmut Levent | 1993-08-17 |
| 5166355 | Process for preparing substituted 2,2'-methylene-bis-[6-(2H-benzotriazol-2-yl)-4-hydrocarbyl-phenols] | Semyon Moshchitsky, Mahmut Levent | 1992-11-24 |
| 4767834 | Vinyl benzyl 2,2,6,6-tetramethyl piperidines | Yutaka Nakahara, Bunji Hirai, Mitsuharu Kanai | 1988-08-30 |
| 4692485 | Vinyl benzyl 2,2,6,6-tetramethyl piperidines | Yutaka Nakahara, Bunji Hirai, Mitsuharu Kanai | 1987-09-08 |
| 4529760 | Oligomers of 2,2,6,6-tetramethylpiperidinol polycarboxylic acid esters and synthetic polymer compositions | Motonobu Minagawa, Yutaka Nakahara, Tohru Haruna, Atsushi Nishimura | 1985-07-16 |
| 4463112 | Phenylethylidene-substituted phenyl polyphosphites | Motonobu Minagawa, Yutaka Nakahara, Kazumi Kitsukawa | 1984-07-31 |
| 4460725 | Polyethers containing 2,2,6,6-tetramethyl piperidinyl carboxylic acid ester groups and synthetic resin compositions | Motonobu Minagawa, Naohiro Kubota, Toshihiro Shibata, Ryozo Arata | 1984-07-17 |
| 4450248 | Hindered piperidyl light stabilizers | Charles G. Overberger | 1984-05-22 |
| 4381360 | 1,3-Dicarbonyl compounds and polyvinyl halide resin compositions containing the same | Motonobu Minagawa, Kouji Tsuruga, Masashi Harada | 1983-04-26 |
| 4371651 | Stabilizer compositions and polyvinyl halide resin compositions containing 1,3-dicarbonyl compounds | Motonobu Minagawa, Kouji Tsuruga, Masashi Harada | 1983-02-01 |
| 4346025 | Stabilized vinyl chloride polymer comprising a phenylethylidene aryl phosphite | Motonobu Minagawa, Yutaka Nakahara, Kazumi Kitsukawa | 1982-08-24 |
| 4257927 | Inorganic organic coester stabilizers | Motonobu Minagawa, Yutaka Nakahara, Tohru Haruna | 1981-03-24 |
| 4233414 | Polyhydric phenol coester stabilizers | Motonobu Minagawa, Yutaka Nakahara, Tohru Haruna | 1980-11-11 |