| 发明名称 | Chitosan derivative, a method for its preparation and its use as an adsorption agent | ||
| 摘要 | The present invention relates to a cross-linked thiazolidinone chitosan dibenzo crown ether, a method for its preparation as well as its use as adsorbent. | ||
| 申请公布号 | US9187345(B2) | 申请公布日期 | 2015.11.17 |
| 申请号 | US201214114777 | 申请日期 | 2012.06.27 |
| 申请人 | King Saud University | 发明人 | Al-Sarra Ibrahim Abdallah;Alanazi Fars Kaed;Radwan Awwad Abdoh |
| 分类号 | C02F1/42;C02F1/28;C08B37/08;B01J20/24;B01J20/34;B01J20/26;C02F101/20 | 主分类号 | C02F1/42 |
| 代理机构 | Renner, Otto, Boisselle & Sklar, LLP | 代理人 | Renner, Otto, Boisselle & Sklar, LLP |
| 主权项 | 1. Chitosan derivative having the repeating unit of formula 1 wherein each A is independently selected from A is vicinally bound to the crown ether, n equals 1 or 2, X is selected from CHR4, NH, O or S, Y is selected from CR4 or N, L is selected from CR5 or N, R1, R2, R3, R4 and R5 are independently selected from hydrogen, halogen, C1-C20-alkyl, C1-C20-alkoxy, mercapto, alkylthio, alkylamino, arylthio, heteroarylthio, arylamino and heteroarylamino. | ||
| 地址 | Riyadh SA | ||