Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451961 | Ethylenimine polymer, aqueous solution of ethylenimine polymer, production process for the same and purifying process therefor | Seiichi Suzuki, Isao Satoh | 2002-09-17 |
| 6444769 | Production process for ethylenimine polymer aqueous solution | Seiichi Suzuki, Isao Satoh | 2002-09-03 |
| 6417408 | Production process for (poly)alkylene glycol monoalkyl ether | Masaru Kirishiki, Hideaki Tsuneki, Yukio Kadono | 2002-07-09 |
| 6346509 | Higher secondary alcohol alkoxylate compound composition, method for production thereof, and detergent and emulsifier using the composition | Yukio Kadono, Kunihiko Kimata, Kenji Rakutani | 2002-02-12 |