公开(公告)号：US20190270710A1

公开(公告)日：2019-09-05

申请号：US16348610

申请日：2017-11-09

Applicant: BASF SE

Inventor： Volker MAYWALD ,  Roland GOETZ ,  Daniel SAELINGER ,  Timo FRASSETTO ,  Stefan GROPP

IPC: C07D231/22

Abstract: The present invention relates to a process to produce highly purified crystalline 1-(4-chlorophenyl)pyrazol-3-ol (I).

公开(公告)号：US20220340515A1

公开(公告)日：2022-10-27

申请号：US17760778

申请日：2020-09-15

Applicant: BASF SE

Inventor： Stefan GROPP ,  Sebastian WLOCH ,  Norbert GUENTHERBERG

IPC: C07C227/42

Abstract: The present invention relates to a process for the solidification of hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate (INCI diethylamino hydroxybenzoyl hexyl benzoate, DHHB), wherein the process comprises a step (a) of applying a shear rate of at least 400 s-1 to liquid hexyl 2-[4-5 (diethylamino)-2-hydroxybenzoyl]benzoate.