Patents by Inventor In Ae Ahn

In Ae Ahn 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).

  • Publication number: 20190369072
    Abstract: An apparatus for quantitatively analyzing gas, particularly oxygen, generated in a battery material, particularly a cathode material is provided. The apparatus contains a switching valve and a sampling loop in a pyrolyzer, thereby allowing an EGA method, which was used only for the qualitative analysis of gas generated from a solid sample, to be used for the quantitative analysis of gas generated at a specific temperature when heat is applied by the pyrolyzer in a battery material.
    Type: Application
    Filed: January 24, 2018
    Publication date: December 5, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Sungwon Hong, Kyungmee Lee, Nak Hee Choi, Jeong Ae Ahn, Jin Il Kim
  • Publication number: 20180284082
    Abstract: The present invention relates to an apparatus for a high-speed analysis of gas samples using gas chromatography comprising: an organic gas analyzing part comprising a switching valve, a column, and a flame ionization detector (FID); and a fixed gas analysis part comprising a plurality of switching valves, three or more columns comprising a column for electrolyte separation, a column for carbon dioxide separation, and a column for separating fixed gas, a pressure controller, and a thermal conductivity detector (TCD), and an analyzing method using the same.
    Type: Application
    Filed: October 6, 2016
    Publication date: October 4, 2018
    Inventors: Jong-Mo JUNG, Jeong-Ae AHN, Jong-Hoa OK
  • Patent number: 8349502
    Abstract: Disclosed is an electrolyte comprising a compound having both a sulfonate group and a cyclic carbonate group. The electrolyte forms a more stable and dense SEI layer on the surface of an anode, and thus improves the capacity maintenance characteristics and lifespan characteristics of a battery. Also, disclosed is a compound represented by the following Formula 1, and a method for preparing the same by reacting 4-(hydroxyalkyl)-1,3-dioxolan-2-one with a sulfonyl halide compound: wherein each of R1 and R2 independently represents a C1˜C6 alkylene group optionally containing a C1˜C6 alkyl group or C2˜C6 alkenyl group introduced thereto; R3 is selected from the group consisting of a hydrogen atom, C1˜C20 alkyl group, C3˜C8 cyclic alkyl group, C2˜C6 alkenyl group, halo-substituted alkyl group, phenyl group and benzyl group.
    Type: Grant
    Filed: September 20, 2007
    Date of Patent: January 8, 2013
    Assignee: LG Chem, Ltd.
    Inventors: Jeong Hwan Koh, Yong Joon Ha, Jin Hyun Park, Chul Haeng Lee, Young Min Lim, Jeong Ae Ahn, Dmitry Pogozhev
  • Patent number: 8288386
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: October 16, 2012
    Assignee: LG Life Sciences Ltd.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 8236955
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: August 7, 2012
    Assignee: LG Life Sciences Ltd.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 8183243
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: May 22, 2012
    Assignee: LG Life Sciences Ltd.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 8119292
    Abstract: Disclosed is a lithium secondary battery comprising a cathode, an anode, an electrolyte and a separator, wherein the anode comprises an anode active material having a specific surface area of 3 m2/g or less, and the electrolyte comprises 0.1˜6 parts by weight of a propane sultone-based compound based on 100 parts by weight of the electrolyte. The lithium secondary battery solves the problem of performance degradation caused by the use of an increased amount of a propane sultone-based compound required to form a SEI film on the surface of an anode upon the first charge cycle. Also, the lithium secondary battery can provide improved cycle characteristics and high-temperature storage characteristics.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: February 21, 2012
    Assignee: LG Chem, Ltd.
    Inventors: Ho Chun Lee, Tae Yoon Park, Yong Su Choi, Soo Jin Yoon, Hong Kyu Park, Hyun Min Jung, Jeong Ae Ahn
  • Publication number: 20110245500
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Application
    Filed: June 13, 2011
    Publication date: October 6, 2011
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Publication number: 20110237795
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Application
    Filed: June 13, 2011
    Publication date: September 29, 2011
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Publication number: 20110224219
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Application
    Filed: November 10, 2009
    Publication date: September 15, 2011
    Applicant: LG LIFE SCIENCES LTD.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Patent number: 7989634
    Abstract: The present invention relates a compound of formula 1, and pharmaceutically acceptable salt, hydrate, solvate, or isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient.
    Type: Grant
    Filed: November 12, 2004
    Date of Patent: August 2, 2011
    Assignees: LG Life Sciences Ltd., Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Koo Lee, Heui-Sul Park, In-Ae Ahn, Hyun-Ju Yoo, Jong-Yup Kim, Deog-Young Choi, Hyeon-Joo Yim, Kyung-Ha Chung, Dong-Sup Shim, Sang-Kyun Lee, Yutaka Kondoh, Ryoji Hirabayashi, Shugo Honda, Hidetaka Kaku, Jun-ichi Shishikura, Hiroyuki Ito, Takeshi Kurama
  • Patent number: 7879852
    Abstract: The present invention relates to a compound of the following formula 1, pharmaceutically acceptable salt and isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: February 1, 2011
    Assignee: LG Life Sciences Ltd.
    Inventors: Sung Pil Choi, In Ae Ahn, Sang Hyup Lee, Sang Dae Lee, Mi Sook Shin, Koo Lee, Deog Young Choi, Dong Sup Shim, Hyeon Joo Yim, Min Kyung Yoon, Soo Yong Chung, Jung Ae Lee, Yong Hwa Ha, Young Kwan Kim, Oeuk Park, Hyun Min Lee, Youn Hoa Kim
  • Publication number: 20100120783
    Abstract: The present invention relates to a compound having a good agonistic activity to melanocortin receptor, or pharmaceutically acceptable salt or isomer thereof, and an agonistic composition for melanocortin receptor comprising the same as an active ingredient.
    Type: Application
    Filed: November 10, 2009
    Publication date: May 13, 2010
    Applicant: LG LIFE SCIENCE LTD.
    Inventors: Koo Lee, Sang Dae Lee, Sang Pil Moon, In Ae Ahn, Sung Pil Choi, Hyun Ho Lee, Dong Sup Shim, Soo Yong Chung, Hyun Min Lee
  • Publication number: 20090298829
    Abstract: The present invention relates to a compound of the following formula 1, pharmaceutically acceptable salt and isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient.
    Type: Application
    Filed: July 13, 2007
    Publication date: December 3, 2009
    Inventors: Sung Pil Choi, In Ae Ahn, Sang Hyup Lee, Sang Dae Lee, Mi Sook Shin, Koo Lee, Deog Young Choi, Dong Sup Shim, Hyeon Joo Yim, Min Kyung Yoon, Soo Yong Chung, Jung Ae Lee, Yong Hwa Ha, Young Kwan Kim, Oeuk Park, Hyun Min Lee, Youn Hoa Kim
  • Publication number: 20090280414
    Abstract: Disclosed is an electrolyte comprising a compound having both a sulfonate group and a cyclic carbonate group. The electrolyte forms a more stable and dense SEI layer on the surface of an anode, and thus improves the capacity maintenance characteristics and lifespan characteristics of a battery. Also, disclosed is a compound represented by the following Formula 1, and a method for preparing the same by reacting 4-(hydroxyalkyl)-1,3-dioxolan-2-one with a sulfonyl halide compound: wherein each of R1 and R2 independently represents a C1˜C6 alkylene group optionally containing a C1˜C6 alkyl group or C2˜C6 alkenyl group introduced thereto; R3 is selected from the group consisting of a hydrogen atom, C1˜C20 alkyl group, C3˜C8 cyclic alkyl group, C2˜C6 alkenyl group, halo-substituted alkyl group, phenyl group and benzyl group.
    Type: Application
    Filed: September 20, 2007
    Publication date: November 12, 2009
    Inventors: Jeong Hwan Koh, Yong Joon Ha, Jin Hyun Park, Chul Haeng Lee, Young Min Lim, Jeong Ae Ahn, Dmitry Pogozhev
  • Publication number: 20070129346
    Abstract: The present invention relates a compound of formula 1, and pharmaceutically acceptable salt, hydrate, solvate, or isomer thereof effective as agonist of melanocortin receptor, and an agonistic composition of melanocortin receptor comprising the same as active ingredient.
    Type: Application
    Filed: November 12, 2004
    Publication date: June 7, 2007
    Applicants: LG Life Sciences Ltd., Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Koo Lee, Heui-Sul Park, In-Ae Ahn, Hyun-Ju Yoo, Jong-Yup Kim, Deog-Young Choi, Hyeon-Joo Yim, Kyung-Ha Chung, Dong-Sup Shim, Sang-Kyun Lee, Yutaka Kondoh, Ryoji Hirabayashi, Shugo Honda, Hidetaka Kaku, Jun-ichi Shishikura, Hiroyuki Ito, Takeshi Kurama
  • Patent number: 6518429
    Abstract: The present invention relates to novel imidazole derivatives which show an inhibitory activity against farnesyl transferase, pharmaceutically acceptable salts or isomers thereof and pharmaceutical compositions comprising such imidazole derivatives. More particularly, the present invention relates to intermediate compounds which are used in the preparation of the imidazole derivatives of the invention. Related processes also are disclosed.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: February 11, 2003
    Assignee: LG Chemical, Ltd.
    Inventors: Hyun Il Lee, Jong Sung Koh, Jin Ho Lee, Won Hee Jung, You Seung Shin, Hyun Ho Chung, Jong Hyun Kim, Seong Gu Ro, Tae Saeng Choi, Shin Wu Jeong, Tae Hwan Kwak, In Ae Ahn, Hyun Sung Kim, Sun Hwa Lee, Kwi Hwa Kim, Jung Kwon Yoo
  • Patent number: 6472526
    Abstract: The present invention relates to a novel imidazole derivative represented by formula (1) which shows an inhibitory activity against farnesyl transferase or pharmaceutically acceptable salts or isomers thereof, in which A, n1 and Y are defined in the specification; to a process for preparation of the compound of formula (1); to intermediates which are used in the preparation of the compound of formula (1): and to a pharmaceutical composition comprising the compound of formula (1) as an active ingredient.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: October 29, 2002
    Assignee: LG Chemical Ltd.
    Inventors: Hyun Il Lee, Jong Sung Koh, Jin Ho Lee, Won Hee Jung, You Seung Shin, Hyun Ho Chung, Jong Hyun Kim, Seong Gu Ro, Tae Saeng Choi, Shin Wu Jeong, Tae Hwan Kwak, In Ae Ahn, Hyun Sung Kim, Sun Hwa Lee, Kwi Hwa Kim, Jung Kwon Yoo
  • Publication number: 20020137769
    Abstract: The present invention relates to novel imidazole derivatives which show an inhibitory activity against farnesyl transferase, pharmaceutically acceptable salts or isomers thereof and pharmaceutical compositions comprising such imidazole derivatives. More particularly, the present invention relates to intermediate compounds which are used in the preparation of the imidazole derivatives of the invention. Related processes also are disclosed.
    Type: Application
    Filed: March 20, 2001
    Publication date: September 26, 2002
    Applicant: LG Chemical Ltd.
    Inventors: Hyun Il Lee, Jong Sung Koh, Jin Ho Lee, Won Hee Jung, You Seung Shin, Hyun Ho Chung, Jong Hyun Kim, Seong Gu Ro, Tae Saeng Choi, Shin Wu Jeong, Tae Hwan Kwak, In Ae Ahn, Hyun Sung Kim, Sun Hwa Lee, Kwi Hwa Kim, Jung Kwon Yoo
  • Patent number: 6436960
    Abstract: The present invention relates to a novel piperidine derivative represented by formula (1) which shows an inhibitory activity against farnesyl transferase or pharmaceutically acceptable salts thereof, in which A, E and G are defined in the specification; to a process for preparation of the compound of formula (1); to an intermediate which is used in the preparation of the compound of formula (1); and to a pharmaceutical composition comprising the compound of formula (1) as an active ingredient.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: August 20, 2002
    Assignee: LG Chemical Ltd.
    Inventors: You Seung Shin, Jong Sung Koh, Hyun Il Lee, Jin Ho Lee, Jong Hyun Kim, Hyun Ho Chung, Kwi Hwa Kim, Tae Hwan Kwak, Seong Gu Ro, In Ae Ahn, Tae Saeng Choi, Young Hoon Oh, Chung Mi Kim, Sun Hwa Lee, Hyun Sung Kim