Eun Hye Han

Title: Eun Hye Han: Patent Inventor in Carbonate Preparation

Introduction

Eun Hye Han is an inventor based in Daejeon, South Korea, whose patent work focuses on methods for preparing heterogeneous linear carbonates. She is associated with Lotte Chemical Corporation and is named on 2 patents.

Latest Patents

Han’s listed patents describe approaches to transesterification reactions involving dimethyl carbonate (DMC) and ethanol (EtOH).

“Method of Preparing Heterogeneous Linear Carbonate Using Catalyst Having Excellent Solubility” describes carrying out the reaction with a catalyst selected from lithium methoxide, lithium ethoxide, sodium methoxide, sodium hydroxide, or a mixture of these substances. The catalyst is introduced dissolved in a sulfoxide-based solvent.

“Method of Preparing Heterogeneous Linear Carbonate Using Amine-Based Compound Catalyst” describes using an amine-based catalyst with a boiling point of at least 150°C during the transesterification reaction.

Career Highlights

Han’s patent portfolio reflects work on catalyst selection and preparation methods for heterogeneous linear carbonates. Her listed affiliation is Lotte Chemical Corporation.

Collaborations

Wang Gyu Kim and Mi Hwa Baek are identified as Han’s coworkers. Their names are associated with her professional context, though the supplied information does not specify particular joint patent contributions.

Conclusion

Eun Hye Han’s two listed patents focus on catalyst-based methods for preparing heterogeneous linear carbonates, highlighting her contributions to chemical process innovation at Lotte Chemical Corporation.