发明名称 |
Mass treatment of cellulosic materials |
摘要 |
This invention provides a process for deacidifying paper by contacting the paper with hydrocarbon or halocarbon solutions of certain magnesium and/or zinc alkoxyalkoxides which may have been treated with carbon dioxide to yield low viscosity solutions.
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申请公布号 |
US5208072(A) |
申请公布日期 |
1993.05.04 |
申请号 |
US19910792499 |
申请日期 |
1991.11.13 |
申请人 |
FMC CORPORATION |
发明人 |
KAMIENSKI, CONRAD W.;WEDINGER, ROBERT S. |
分类号 |
C07C43/11;D21H25/18 |
主分类号 |
C07C43/11 |
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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