公开(公告)号：DE102005046816A1

公开(公告)日：2007-04-05

申请号：DE102005046816

申请日：2005-09-29

Applicant: BASF AG

Inventor： WOELFERT ANDREAS ,  KNOESCHE CARSTEN ,  KLOETZER MATTHIAS ,  ASCHERL HERMANN ,  STROEFER ECKHARD ,  BLANKERTZ HEINRICH-JOSEF ,  SCHOENHERR MICHAEL ,  KARCHES MARTIN ,  BENZ CHRISTIAN

IPC: C07C263/20 ,  C07B43/10 ,  C07B63/00 ,  C07C265/10 ,  C07C265/14

Abstract: Separating monomers from a residue containing diisocyanate in at least an apparatus, in which the residue forms a highly viscose liquid and/or non-embrittling solid during the entire retention time in the apparatus at 210-330[deg]C and less than 300 hPa, and is forcibly discharged from the apparatus.

公开(公告)号：DE10209095A1

公开(公告)日：2003-09-11

申请号：DE10209095

申请日：2002-03-01

Applicant: BASF AG

Inventor： STROEFER ECKHARD ,  OCHSE MICHAEL ,  KRASE VOLKER ,  SCHMIDT ANDREAS ,  KLOETZER MATTHIAS ,  MURRAR IMBRIDT ,  FRANZKE GISBERT

IPC: C07C29/00 ,  C07C31/12 ,  C07C263/04 ,  C07C265/14 ,  C07C263/18

Abstract: A process for the preparation of isocyanates from carbamic esters.

公开(公告)号：DE10209305A1

公开(公告)日：2002-10-31

申请号：DE10209305

申请日：2002-03-02

Applicant: BASF AG

Inventor： LAQUA GERHARD ,  KLOETZER MATTHIAS ,  KRASE VOLKER ,  PFAB PETER ,  PFEFFINGER JOACHIM ,  SCHMIDT ANDREAS

IPC: C07C263/00 ,  C07C265/04 ,  C07C269/00 ,  C07C271/12 ,  C07C263/12 ,  C07C29/00 ,  C07C263/18 ,  C07C269/08

Abstract: Thermal decomposition of allophanates in a reaction vessel comprises stripping gaseous decomposition products from the vessel with an inert carrier gas or vapor and condensing them.