发明申请
US20050267310A1 Multistage continuous preparation of cycloaliphatic diisocyanates 有权
多级连续制备脂环族二异氰酸酯

Multistage continuous preparation of cycloaliphatic diisocyanates
摘要:
The invention relates to a multistage process for continuous and phosgene-free preparation of cycloaliphatic diisocyanates.
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