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公开(公告)号:HU0402128A2
公开(公告)日:2005-04-28
申请号:HU0402128
申请日:2002-10-17
Applicant: BASF AG
Inventor: ROHDE THORSTEN , STAMM ARMIN , HENKELMANN JOACHEM
IPC: C07B61/00 , C07C263/10 , C07C265/10
Abstract: In a process for preparing isocyanates by reacting the corresponding primary amines with phosgene in an inert solvent, use is made of from 0.01 to 50 mol % of a phosphine oxide, based on the total amount of primary amine and isocyanate formed in the reaction solution.