Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853158 | Process for preparing N,N-dialkylaniline salt of 5-acetyl-2-alkylbenzene sulfonic acid | Kunioki Kato, Masao Kawamura, Hiroshi Goda, Kazuhiro Hamatani | 1989-08-01 |
| 4842971 | Photoreceptor for electrophotography having a hydroxystyrene subbing layer | Takayuki Sugaiwa, Akira Kinoshita | 1989-06-27 |