公开(公告)号：US10093615B2

公开(公告)日：2018-10-09

申请号：US15305923

申请日：2015-04-21

Applicant: BASF SE

Inventor： Manfred Heilig ,  Thomas Schulz ,  Torsten Mattke ,  Filip Nevejans ,  Kai Thiele ,  Stefan Maixner

IPC: C07C263/10 ,  C07C265/12

Abstract: The invention relates to a process for preparing isocyanates by reacting primary amines with phosgene in a solvent, where the solvent comprises a dialkyl carbonate.

公开(公告)号：US10435354B2

公开(公告)日：2019-10-08

申请号：US16057482

申请日：2018-08-07

Applicant: BASF SE

Inventor： Manfred Heilig ,  Thomas Schulz ,  Torsten Mattke ,  Filip Nevejans ,  Kai Thiele ,  Stefan Maixner

IPC: C07C263/10

Abstract: The invention relates to a process for preparing isocyanates by reacting primary amines with phosgene in a solvent, where the solvent comprises a dialkyl carbonate.