Patents by Inventor Eun Sun Lim

Eun Sun Lim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Ligand Compound, Organochromium Compound and Catalyst Composition Comprising the Same
    Publication number: 20240287223
    Abstract: A ligand compound represented by the following Formula 1, which shows high catalyst activity and high selectivity to 1-hexene and 1-octene, and may perform ethylene oligomerization with excellent efficiency, an organochromium compound, a catalyst composition comprising the organochromium compound and a method for oligomerizing ethylene using the same, are described: wherein all the variables are described herein.
    Type: Application
    Filed: March 3, 2023
    Publication date: August 29, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Seok Pil Sa, Seok Sun Kim, Tae Hee Kim, Seung Hwan Jung, Eun Ji Shin, Yeon Ho Cho, Won Taeck Lim, Hee Jeong Kim
  • Polarization-variable element
    Patent number: 12050371
    Abstract: The present application relates to a polarization-variable element. The polarization-variable element of the present application has a fast response speed and excellent variable characteristics of polarization degree and transmittance. Such polarization-variable element may be applied to various applications including various architectural or vehicle materials requiring transmittance-variable characteristics, or eyewear such as goggles for augmented reality experience sports, sunglasses or helmets.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: July 30, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Eun Jung Lim, Dong Hyun Oh, Jung Sun You, Jin Hong Kim, Hyun Jun Lee
  • Vacuum cleaner
    Patent number: D646855
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: October 11, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Joo Hyung Kim, Kang Doo Kim, Eun Sun Lim, Hyun Il Lee, Dae Kyun Lee
  • Vacuum cleaner
    Patent number: D653823
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: February 7, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joo Hyung Kim, Kang Doo Kim, Eun Sun Lim, Hyun Il Lee, Dae Kyun Lee
  • Brush for vacuum cleaner
    Patent number: D686379
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: July 16, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Jun Kim, Dong Won Chun, Eun-Sun Lim