Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579933 | Process for producing aqueous solution of monoallylamine polymer | Ikuo Hayashi, Hiroyuki Takayama | 2003-06-17 |
| 4812540 | Preparation of polymers of monoallylamine and diallylamine derivatives with azo catalyst | Toshio Ueda, Susumu Harada | 1989-03-14 |
| 4678474 | Method for improving color fastness of reactive dyes on cellulose with allylamine copolymer | Toshio Ueda, Susumu Harada | 1987-07-07 |
| 4644042 | Polymers of N-substituted secondary monoallylamines and their salts and process for producing the same | Toshio Ueda, Kiyoshi Shimizu, Sakuro Hasegawa, Susumu Harada | 1987-02-17 |