公开(公告)号：US20220024868A1

公开(公告)日：2022-01-27

申请号：US17311353

申请日：2019-12-18

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Jiyeon KIM ,  Youngjin KIM ,  Jeongseok PARK ,  Jinho PARK ,  Hyun SEO ,  Seonghoon HYEONG ,  Kyuho SONG

IPC: C07D201/04

Abstract: The present invention relates to a laurolactam preparation method and synthesis apparatus, and epoxidation and a rearrangement reaction are performed in the conversion of cyclododecene into cyclododecanone so that the preparation method can synthesize laurolactam having a higher purity with a higher selectivity and in a higher yield than a conventional preparation method.

公开(公告)号：US20230399273A1

公开(公告)日：2023-12-14

申请号：US18034140

申请日：2021-10-27

Applicant: HANWHA SOLUTIONS CORPORATION

Inventor： Seonghoon HYEONG ,  Jinho PARK ,  Namjin JANG

IPC: C07C2/46 ,  C07C13/277

CPC classification number: C07C2/46 ,  C07C13/277

Abstract: The present invention provides a continuous preparation method of cyclododecatriene including: preparing a reaction composition by mixing butadiene, a main catalyst, and a co-catalyst with a toluene solvent; and allowing the reaction composition to react at a reaction pressure higher than a vapor pressure of the butadiene, and a cyclododecatriene composition prepared by the continuous preparation method.