发明名称 METHOD FOR CONTROLLING MICROBIAL CONTAMINATION OF MINERAL SUSPENSIONS
摘要 <p>The disinfection and/or conservation and/or reduction and/or control of the microbial contamination of aqueous dispersions and/or aqueous mineral matter suspensions, comprises: (a) increasing the concentration in hydroxyl ions in the dispersions and/or the suspensions, to at least 1x10-2> mole/1, and (b) dispersing and/or crushing the aqueous dispersions and/or suspensions. Before, during or after stage (a), a dispersant and/or a crushing agent is added. The process further comprises optionally reducing the concentration of hydroxyl ions to less than or equal to 1x10-2> mole/l, and optionally adding a substance with microbicide effect and/or implementing a physical process of decontamination. Independent claims are also included for: (1) an aqueous dispersions and/or suspensions of mineral materials; (2) a mineral formulations; (3) paper formulations; and (4) aqueous paints such as lacquers and varnishes.</p>
申请公布号 EP1843794(B1) 申请公布日期 2012.09.26
申请号 EP20060700552 申请日期 2006.01.20
申请人 OMYA DEVELOPMENT AG 发明人 BURI, MATTHIAS;SCHWARZENTRUBER, PATRICK;HUBSCHMID, SILVIA
分类号 A61L2/18;B01F17/00;B01J13/00 主分类号 A61L2/18
代理机构 代理人
主权项
地址