Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885102 | Cloth-softening liquid composition containing quaternary ammonium compound and a polyether derivative or cationic surfactant polymer | Masaaki Yamamura, Tetuo Ito, Kazumitsu Furuta, Kazuo Shimizu | 1989-12-05 |
| 4842760 | Soft finishing agent | Masaki Tsumadori, Kazuo Shimizu, Moriyasu Murata | 1989-06-27 |
| 4795573 | Fabric softener of mixed quaternary ammonium salts: combination of linear alkyl and methyl-branched alkyl quaternary ammonium salts | Masaki Tsumadori | 1989-01-03 |