公开(公告)号：US20240150276A1

公开(公告)日：2024-05-09

申请号：US18279899

申请日：2022-03-01

Applicant: BASF SE

Inventor： Daniel Ruben SELZER ,  Eva KLEINMANN ,  Axel BINDER ,  Helmut KRONEMAYER ,  Philipp STAEHLE

IPC: C07C229/52

CPC classification number: C07C229/52

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 the step of (a) applying a shear rate of 800 s−1 or more to liquid hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate and (b) adding seed crystals of hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate.

公开(公告)号：US20240140906A1

公开(公告)日：2024-05-02

申请号：US18279902

申请日：2022-03-01

Applicant: BASF SE

Inventor： Daniel Ruben SELZER ,  Eva KLEINMANN ,  Axel BINDER ,  Helmut KRONEMAYER ,  Philipp STAEHLE

IPC: C07C227/42 ,  B01D9/00

CPC classification number: C07C227/42 ,  B01D9/0036

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 the step of (a) applying a shear rate of less than 800 s−1 to liquid hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate and (b) adding seed crystals of hexyl 2-[4-(diethylamino)-2-hydroxybenzoyl]benzoate.