发明授权
US4325887A Isocyanatoaryl sulfonic acid esters 失效
异氰酸酯基磺酸酯

Isocyanatoaryl sulfonic acid esters
摘要:
The instant invention relates to a process for the production of isocyanates in which tert.-alkyl urethanes are reacted with phosgene and to isocyanatoaryl sulphonic acid esters obtainable for the first time by this process.
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