发明名称 |
Melamine formaldehyde polymer for pitch control method |
摘要 |
A method for inhibiting the deposition of pitch on and/or for removing pitch from the surfaces of pulping and papermaking machinery by adding an effective amount of a melamine formaldehyde-type polymer to a pulp slurry or furnish in contact with said machinery.
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申请公布号 |
US5286347(A) |
申请公布日期 |
1994.02.15 |
申请号 |
US19920878637 |
申请日期 |
1992.05.05 |
申请人 |
CALGON CORPORATION |
发明人 |
RICHARDSON, PAUL F. |
分类号 |
D21C9/08;D21H17/51;D21H21/02;(IPC1-7):D21C9/08 |
主分类号 |
D21C9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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