Invention Grant
US3399110A Recovery of fibrous material from waste waters of the paper, cardboard and celluloseindustry by addition of condensation of urea and an alkyleneimine
失效
通过加入尿素和亚烷基亚胺的缩合从纸，纸板和纤维素工业的废水中回收纤维材料
- Patent Title: Recovery of fibrous material from waste waters of the paper, cardboard and celluloseindustry by addition of condensation of urea and an alkyleneimine
- Patent Title (中): 通过加入尿素和亚烷基亚胺的缩合从纸，纸板和纤维素工业的废水中回收纤维材料
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Application No.: US43909265Application Date: 1965-03-11
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Publication No.: US3399110APublication Date: 1968-08-27
- Inventor: HANS SOMMER , HERBERT BESTIAN , DIETER BERGMANN
- Applicant: HOECHST AG
- Assignee: Hoechst AG
- Current Assignee: Hoechst AG
- Priority: DEF0042338 1964-03-14
- Main IPC: D21F1/82
- IPC: D21F1/82
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