公开(公告)号：US11807709B2

公开(公告)日：2023-11-07

申请号：US16339124

申请日：2017-10-02

Applicant: BASF SE

Inventor： Harald Schaefer ,  Daniel Flojhar ,  Jens Scheidel ,  Thomas Genger ,  Sebastian Emmerling ,  Matthias Kroner ,  Guillermo Arens

IPC: C08G18/79 ,  C08G18/73 ,  C08K5/17 ,  C08K5/521 ,  C08K5/5313 ,  C08K5/5333 ,  C09D175/04 ,  C08K5/5317

CPC classification number: C08G18/792 ,  C08G18/73 ,  C08K5/17 ,  C08K5/521 ,  C08K5/5313 ,  C08K5/5333 ,  C09D175/04

Abstract: The present invention relates to a new process for preparing polyisocyanates containing isocyanurate groups and being flocculation-stable in solvents from (cyclo)aliphatic diisocyanates.

公开(公告)号：US11001730B2

公开(公告)日：2021-05-11

申请号：US16339544

申请日：2017-10-02

Applicant: BASF SE

Inventor： Harald Schaefer ,  Daniel Flojhar ,  Jens Scheidel ,  Thomas Genger ,  Matthias Kroner ,  Sebastian Emmerling ,  Guillermo Arens

IPC: C09D175/04 ,  C08G18/24 ,  C08G18/73 ,  C08G18/79 ,  C08G18/18 ,  C08G18/02 ,  C08K5/521 ,  C08K5/526 ,  C08K5/5333

Abstract: The present invention relates to a novel process for preparing isocyanurate-comprising polyisocyanates of (cyclo)aliphatic diisocyanates that are especially stable to color drift in solvents.