发明名称 |
Prevention of Starch Degradation in Pump, Paper or Board Making Processes |
摘要 |
The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes. |
申请公布号 |
US2016130765(A1) |
申请公布日期 |
2016.05.12 |
申请号 |
US201514968981 |
申请日期 |
2015.12.15 |
申请人 |
KEMIRA OYJ |
发明人 |
Kolari Marko;Ekman Jaakko;Ikävalko Satu |
分类号 |
D21H21/36 |
主分类号 |
D21H21/36 |
代理机构 |
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代理人 |
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主权项 |
1. A biocidal system comprising zinc ions and a biocide, which form in situ a biocidal composition, wherein the biocide is selected from an oxidizing biocide or a non-oxidizing biocide, with the proviso that the non-oxidizing biocide does not include zinc pyrithione or 1,2-benzoisothiazolin-3-one and zinc pyrithione. |
地址 |
Helsinki FI |