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US09006480B2 Process for producing isocyanates 有权
异氰酸酯的制备方法

Process for producing isocyanates
摘要:
The invention relates a process for producing isocyanates comprising the steps of a) providing an azolide and optionally a solvent, and b) adding an acid at a temperature below about 40 C. The invention also relates to the isocyanate obtainable by such a process.
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