发明授权
- 专利标题： Pulping process
- 专利标题（中）： 制浆工艺
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申请号： US158776申请日： 1988-02-22
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公开(公告)号： US4851082A公开(公告)日： 1989-07-25
- 发明人: Akio Mita , Akio Dobashi , Susumu Kashiwabara
- 申请人： Akio Mita , Akio Dobashi , Susumu Kashiwabara
- 申请人地址： JPX
- 专利权人： Director General of Agency of Industrial Science and Technology
- 当前专利权人： Director General of Agency of Industrial Science and Technology
- 当前专利权人地址： JPX
- 优先权： JPX62-097262 19870422; JPX62-290680 19871119
- 主分类号： D21C3/00
- IPC分类号： D21C3/00 ; D21C3/22
摘要：
A process for the production of a pulp from bast fibers, which includes reacting a mixture of the bast fibers and an aqueous digestion liquid at a temperature of 60.degree.-130.degree. C. The digestion liquid includes (a) hydrogen peroxide or a compound capable of generating hydrogen peroxide in the presence of water, (b) an alkali metal carbonate, and (c) an oxalate.
公开/授权文献
- US5347047A Preparation of acylaromatic compounds 公开/授权日：1994-09-13
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