| 发明名称 | Fluorescent whitening agent compositions | ||
| 摘要 | Disclosed are compositions containing: a) 25-60% by weight of compound of formula (1);wherein X is hydrogen, an alkali or alkaline-earth metal, ammonium, alkylammonium and alkanolalkylammonium, alkanolammonium;b) at least 25% by weight of urea;c) up to 50% by weight of water. | ||
| 申请公布号 | US8845761(B1) | 申请公布日期 | 2014.09.30 |
| 申请号 | US201313834509 | 申请日期 | 2013.03.15 |
| 申请人 | 3V Sigma S.P.A. | 发明人 | Seccomandi Carlo;Balestra Ivan;Alioli Paolo |
| 分类号 | D06L3/00;D06L3/02 | 主分类号 | D06L3/00 |
| 代理机构 | Silvia Salvadori, P.C. | 代理人 | Silvia Salvadori, P.C. |
| 主权项 | 1. Compositions comprising: a) 25-60% by weight of the compound of formula (I) wherein X is hydrogen, an alkali or alkaline-earth metal, ammonium, alkylammonium and alkanolalkylammonium, alkanolammonium; b) at least 25% by weight of urea; c) up to 50% by weight of water. | ||
| 地址 | Milan IT | ||