公开(公告)号：US09029595B1

公开(公告)日：2015-05-12

申请号：US14413095

申请日：2013-07-09

Applicant: Bayer MaterialScience LLC

Inventor： Friedhelm Steffens ,  Tim Loddenkemper ,  Rainer Bellinghausen ,  Hartwig Kempkes

IPC: C07C263/20 ,  C07C263/10

CPC classification number: C07C263/20 ,  C07C263/10 ,  C07C265/14

Abstract: The present invention relates to a method for working up distillation, residues from isocyanate production in which monomeric isocyanate present in distillation residues is recovered by means of a spray-dry method and the overall yield of monomeric isocyanate is thus significantly increased.

Abstract translation: 本发明涉及一种处理蒸馏的方法，其中通过喷雾干燥方法回收存在于蒸馏残余物中的单体异氰酸酯的异氰酸酯生产残留物，因此单体异氰酸酯的总产率显着提高。

公开(公告)号：US20150126769A1

公开(公告)日：2015-05-07

申请号：US14413095

申请日：2013-07-09

Applicant: Bayer MaterialScience LLC

Inventor： Friedhelm Steffens ,  Tim Loddenkemper ,  Rainer Bellinghausen ,  Hartwig Kempkes

IPC: C07C263/20 ,  C07C263/10

CPC classification number: C07C263/20 ,  C07C263/10 ,  C07C265/14

Abstract: The present invention relates to a method for working up distillation residues from isocyanate production in which monomeric isocyanate present in distillation residues is recovered by means of a spray-dry method and the overall yield of monomeric isocyanate is thus significantly increased.

Abstract translation: 本发明涉及一种处理来自异氰酸酯生产的蒸馏残余物的方法，其中通过喷雾干燥法回收存在于蒸馏残余物中的单体异氰酸酯，从而显着提高单体异氰酸酯的总产率。