公开(公告)号：AT452874T

公开(公告)日：2010-01-15

申请号：AT02785232

申请日：2002-10-17

Applicant: BASF SE

Inventor： ROHDE THORSTEN ,  STAMM ARMIN ,  HENKELMANN JOCHEM

IPC: C07C263/10 ,  C07C265/08 ,  C07C265/10 ,  C07C265/12 ,  C07C265/14

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 sulfoxide, a sulfone or a mixture thereof, based on the total amount of primary amine and isocyanate formed in the reaction solution.

公开(公告)号：DE50213907D1

公开(公告)日：2009-11-19

申请号：DE50213907

申请日：2002-10-17

Applicant: BASF SE

Inventor： ROHDE THORSTEN ,  STAMM ARMIN ,  HENKELMANN JOACHEM

IPC: C07C263/10 ,  C07B61/00 ,  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.

公开(公告)号：AT407115T

公开(公告)日：2008-09-15

申请号：AT02785231

申请日：2002-10-17

Applicant: BASF SE

Inventor： ROHDE THORSTEN ,  STAMM ARMIN ,  HENKELMANN JOCHEM

IPC: C07C263/10 ,  C07C265/04 ,  C07C265/08 ,  C07C265/10 ,  C07C265/12 ,  C07C265/14

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 sulfonamide, based on the total amount of primary amine and isocyanate formed in the reaction solution.