Patents by Inventor Sung-eun Yoo

Sung-eun Yoo 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: 20100145054
    Abstract: The present invention is directed to a novel imidazole derivative having an aryl piperidine substituent of formula (I) and a method for preparation thereof, and a pharmaceutical composition containing said imidazole derivative as an active ingredient for preventing or treating a MCH (melanine-concentrating hormone)-related disease.
    Type: Application
    Filed: May 13, 2008
    Publication date: June 10, 2010
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Jee Hee Suh, Kyu Yang YI, Nack Jeong KIM, Sung Eun Yoo, Kwang-Seok Oh, Hyae Gyeong Cheon, Mija Ahn, Byung Ho Lee, Won Hoon Jung, Sang Dal Rhee
  • Publication number: 20100105704
    Abstract: The present invention relates to novel {7-(3?,4?-dialkoxyphenyl)-[1,2,4]-triazolo[1,5-a]pyrimidine compounds or pharmaceutically acceptable salts thereof, a process for preparing the same, and pharmaceutical compositions for treating or preventing inflammatory diseases including asthma and chronic obstructive pulmonary disease, arthritis, atopic dermatitis, cancers including leukemia, and degenerative brain diseases including Alzheimer's disease, depression and memory impairment, which comprises the same as an active ingredient.
    Type: Application
    Filed: March 7, 2008
    Publication date: April 29, 2010
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Dong Ju Jeon, Zaesung No, Jong Hwan Song, Gehyeong Lee, Ikyon Kim, Chang Min Park, Hyae Gyeong Cheon, Young Sik Cho, Jin Sook Song, Myung Ae Bae, Sung-eun Yoo
  • Publication number: 20100063106
    Abstract: Provided are aminopyrazole derivatives, a process for the preparation thereof, and a composition for preventing or treating an ischemic disease containing the same. Since the aminopyrazole derivatives of the present invention can reduce an ischemic cell death significantly, they can be effectively used for the prevention and treatment of ischemic diseases mediated by ischemic cell death, or protection of organs.
    Type: Application
    Filed: October 26, 2007
    Publication date: March 11, 2010
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Yong-Sam JUNG, Eunhee Kim, Nakjeong Kim, Yun-Sun Lee, Jeehee Suh, Haeyoung Suh, Kyu Yang Yi, Sung-eun Yoo
  • Publication number: 20100004466
    Abstract: The present invention is related to benzothiophen-2-carbonylguanidine derivatives, a preparation method thereof, and pharmaceutical compositions containing the same. The derivatives have potent inhibitory effect on the sodium/hydrogen exchanger NHE-I, improve the functional recovery of ischemia/reperfusion-induced heart injury in isolated ischemic heart models, and significantly reduce the myocardiac infarct size in in vivo ischemic animal models, thereby showing excellent cardioprotective effects. Also, the derivatives are protective of both neuronal cells and the brain as proven by their protective effects on neuronal cells from necrosis and apoptosis and by their ability to significantly reduce cerebral infarct sizes in in vivo ischemic brain models.
    Type: Application
    Filed: December 27, 2005
    Publication date: January 7, 2010
    Inventors: Kyu Yang Yi, SunKyung Lee, Jee Hee Suh, Nak Jeong Kim, Hyunsuk Lee, Byung-Ho Lee, Sung-eun Yoo, Kyung-Hee Lee, Yong Oh Lee
  • Patent number: 7420060
    Abstract: The present invention relates to benzopyran derivatives substituted with a thioxobenzoxazole derivative, or pharmaceutically acceptable salts thereof, processes for preparing the same and a pharmaceutical composition containing the above as an effective ingredient Benzopyran derivatives substituted with thioxobenzoxazole derivatives, represented in <Formula 1>, have the function of protecting heart from ischemia-reperfusion both in vivo and in vitro, so that a pharmaceutical composition containing benzopyran derivatives substituted with thioxobenzoxoazole derivatives or pharmaceutically acceptable salts thereof of the present invention as an effective ingredient can be effectively used for the protection of tissues influenced by ischemia-reperfusion, for example, for the protection of heart, nervous cells, brain, retinal cells, storage organs, etc, and for the treatment of diseases caused by ischemia-reperfusion.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: September 2, 2008
    Assignee: Schaeffler KG
    Inventors: Hong Lim, Dong Ha Lee, Sun Ok Kim, Sung-Eun Yoo, Kyu Yang Yi, Sun Kyung Lee, Jee Hee Suh, Nak Jeong Kim, Sun Kyung Hwang, Tae Mi Kim, Byung Ho Lee, Ho-Won Seo
  • Patent number: 7414068
    Abstract: The present invention relates to benzopyran derivatives substituted with secondary amines including tetrazole, method for preparing thereof and pharmaceutical compositions containing them. The compounds of the present invention can be used for protecting neuronal cells and brain damage; antioxidation; inhibiting NO generation; protecting heart; suppressing angiogenesis; protecting preserving organs such as kidney, heart and tissue, and protecting organs in major cardiovascular surgery.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: August 19, 2008
    Assignee: Dongbu Hannong Chemical Co., Ltd.
    Inventors: Hong Lim, Dong-Ha Lee, Sun-Ok Kim, In-Young Choi, Sung-Eun Yoo, Kyu-Yang Yi, Sun-Kyung Lee, Jee-Hee Suh, Nak-Jeong Kim, Byung-Ho Lee, Ho-Won Seo, Hwa-Sup Shin
  • Patent number: 7371874
    Abstract: The present invention relates to a noble 6-alkylamino-2-methyl-2?-(N-methyl substituted sulfonamido)methyl-2H-1-benzopyran derivative, a method for preparing the same with high efficiency using a parallel synthetic method, one of combinatorial chemical synthetic techniques, and a use of the novel compound showing a high inhibitory effect to 5-lipoxygenase (5-LO) activity for preventing and treating leukotriene (LTA4, B4, C4, D4) activation-related diseases such as inflammatory diseases, rheumatoid arthritis, colitis, asthma and psoriasis.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: May 13, 2008
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Young-Dae Gong, Hyae-Gyeong Cheon, Moon-Kook Jeon, Cho Young Sik, Jong Yeon Hwang, Choi Hyung Sub, Jeon Hyun Suk, Soon-Hee Hwang, Song Jin Sook, Kim Chi Hyun, Sung-eun Yoo
  • Patent number: 7368575
    Abstract: When a multi-step process reaction is carried out in a solution, it generally requires several treatments and purification procedures to go through with after the reaction, however, the inventive method for preparing 2,2?-disubstituted-3,4-dihydro-7,8-disubstituted-6-amino benzopyran derivative using a solid-phased synthetic method simplifies the treatment and purification procedures after the reaction, which makes possible to efficiently construct numerous drug-like libraries.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: May 6, 2008
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Young-Dae Gong, Hyae-Gyeong Cheon, Young-Sik Cho, Jin-Soo Seo, Jong-Yeon Hwang, Ji-Yeon Park, Sung-Eun Yoo
  • Patent number: 7351843
    Abstract: The present invention relates to furancarbonylguanidine derivatives, a preparation method thereof and a pharmaceutical composition comprising the same. Furancarbonylguanidine derivatives of the present invention inhibit NHE-1 (sodium-hydrogen exchanger isoform 1), which helps recovery of heart function damaged from ischemia/reperfusion and decreases myocardial infarction rate, indicating that they have protective effect on myocardial cells. Thus, furancarbonylguanidine derivatives of the present invention can be effectively used for the prevention and the treatment of ischemic heart diseases such as myocardial infarction, arrhythmia, angina pectoris, etc, and also a promising candidate for a heart protecting agent applied to reperfusion therapy including thrombolytics or cardiac surgery including coronary artery bypass graft, percutaneous transluminal coronary angioplasty, etc.
    Type: Grant
    Filed: December 24, 2004
    Date of Patent: April 1, 2008
    Assignees: Korea Research Institute of Chemical Technology, Yuyu, Inc.
    Inventors: Kyu Yang Yi, Sun Kyung Lee, Nak Jeong Kim, Jee Hee Suh, Soon Hee Hwang, Byung Ho Lee, Ho Won Seo, Sun Kyung Hwang, Sung Eun Yoo, Kyung Hee Lee
  • Patent number: 7309793
    Abstract: The present invention relates to benzopyran derivatives substituted with a benzimidazole derivative, or pharmaceutically acceptable salts thereof, a preparation method of the same and pharmarceutical compositions containing them. Benzopyran derivatives substituted with a benzimidazole derivative, represented in Formula (1), have the function of protecting heart from ischemia-reperfusion without side effect like vasodilation, so that a pharmaceutical composition containing benzopyran derivatives substituted with a benzimidazole derivative or pharmaceutically acceptable salts thereof of the present invention as an effective ingredient can be effectively used for the protection of tissues influenced by ischemia-reperfusion, for example, for the protection of heart, nervous cells, brain, retinal cells, storage organs, etc. and for the treatment of diseases caused by ischemia-reperfusion.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: December 18, 2007
    Assignee: Dongbu Hannong Chemical Co., Ltd.
    Inventors: Hong Lim, Dong Ha Lee, Sun Ok Kim, Sung-Eun Yoo, Kyu Yang Yi, Sun Kyung Lee, Jee Hee Suh, Nak Jeong Kim, Sun Kyung Hwang, Tae Mi Kim, Byung Ho Lee, Ho-Won Seo
  • Patent number: 7279497
    Abstract: The present invention relates to benzopyran derivatives substituted with secondary amines including imidazole, their preparation, and pharmaceutical compositions containing them. The present invention is pharmacologically useful for the treatment of cancer, rheumatoid arthritis, and diabetic retinopathies through anti-angiogenic properties, and also pharmacologically useful in the protection of heart and neuronal cells against ischemia-reperfusion injury or preserving organs.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: October 9, 2007
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Kyu Yang Yi, Sun Kyung Lee, Sung-Eun Yoo, Jee Hee Suh, Nak Jeong Kim, Sun Kyung Hwang, Byung-Ho Lee, Ho Won Seo, Chong Ock Lee, Sang-Un Choi
  • Publication number: 20070225288
    Abstract: The inventive indene derivatives of formula (I) are capable of selectively modulating the activities of peroxisome proliferator activated receptors (PPARs), causing no adverse side effects, and thus, they are useful for the treatment and prevention of disorders modulated by PPARs, i.e., metabolic syndromes such as diabetes, obesity, arteriosclerosis, hyperlipidemia, hyperinsulinism and hypertension, inflammatory diseases such as osteoporosis, liver cirrhosis and asthma, and cancer.
    Type: Application
    Filed: April 12, 2005
    Publication date: September 27, 2007
    Inventors: Hyae Gyeong Cheon, Sung-Eun Yoo, Sung Soo Kim, Sung-Don Yang, Kwang-Rok Kim, Sang Dal Rhee, Jin Hee Ahn, Seung Kyu Kang, Won Hoon Jung, Sung Dae Park, Nam Gee Kim, Sun Mee Kim, Kil Woong Mo, Jae Mok Lee, Hye Jung Kang, Koun Ho Lee, Jong Hoon Kim, Jeong-Hyung Lee, Seung Jun Kim
  • Publication number: 20070185109
    Abstract: The inventive indene derivatives of formula (I) are capable of selectively modulating the activities of peroxisome proliferator activated receptors (PPARs), causing no adverse side effects, and thus, they are useful for the treatment and prevention of disorders modulated by PPARs, i.e., metabolic syndromes such as diabetes, obesity, arteriosclerosis, hyperlipidemia, hyperinsulinism and hypertension, inflammatory diseases such as osteoporosis, liver cirrhosis and asthma, and cancer.
    Type: Application
    Filed: April 13, 2005
    Publication date: August 9, 2007
    Inventors: Hyae Gyeong Cheon, Sung-Eun Yoo, Sung Soo Kim, Sung-Don Yang, Kwang-Rok Kim, Sang Dal Rhee, Jin Hoe Ahn, Seung Kyu Kang, Won Hoon Jung, Sung Dae Park, Nam Gee Kim, Jang Hyuk Lee, Sun Chul Huh, Jae Mok Lee, Seog Beom Song, Soon Ji Kwon, Jong Hoon Kim, Jeong-Hyung Lee, Seung Jun Kim
  • Publication number: 20070049621
    Abstract: The present invention relates to a noble 6-alkylamino-2-methyl-2?-(N-methyl substituted sulfonamido)methyl-2H-1-benzopyran derivative, a method for preparing the same with high efficiency using a parallel synthetic method, one of combinatorial chemical synthetic techniques, and a use of the novel compound showing a high inhibitory effect to 5-lipoxygenase (5-LO) activity for preventing and treating leukotriene (LTA4, B4, C4, D4) activation-related diseases such as inflammatory diseases, rheumatoid arthritis, colitis, asthma and psoriasis.
    Type: Application
    Filed: July 21, 2006
    Publication date: March 1, 2007
    Inventors: Young-Dae Gong, Hyae-Gyeong Cheon, Moon-Kook Jeon, Cho Sik, Jong Hwang, Choi Sub, Jeon Suk, Soon-Hee Hwang, Song Sook, Kim Hyun, Sung-eun Yoo
  • Publication number: 20060293376
    Abstract: The present invention relates to benzopyran derivatives substituted with a benzimidazole derivative, or pharmaceutically acceptable salts thereof, a preparation method of the same and pharmarceutical compositions containing them. Benzopyran derivatives substituted with a benzimidazole derivative, represented in Formula (1), have the function of protecting heart from ischemia-reperfusion without side effect like vasodilation, so that a pharmaceutical composition containing benzopyran derivatives substituted with a benzimidazole derivative or pharmaceutically acceptable salts thereof of the present invention as an effective ingredient can be effectively used for the protection of tissues influenced by ischemia-reperfusion, for example, for the protection of heart, nervous cells, brain, retinal cells, storage organs, etc. and for the treatment of diseases caused by ischemia-reperfusion.
    Type: Application
    Filed: May 28, 2004
    Publication date: December 28, 2006
    Inventors: Hong Lim, Dong Lee, San Kim, Sung-Eun Yoo, Kyu Yi, Sun Lee, Jee Suh, Nak Kim, Sun Hwang, Tae Kim, Byung Lee, Ho-Won Seo
  • Publication number: 20060035948
    Abstract: The present invention relates to benzopyran derivatives substituted with secondary amines including tetrazole, method for preparing thereof and pharmaceutical compositions containing them. The compounds of the present invention can be used for protecting neuronal cells and brain damage; antioxidation; inhibiting NO generation; protecting heart; suppressing angiogenesis; protecting preserving organs such as kidney, heart and tissue, and protecting organs in major cardiovascular surgery.
    Type: Application
    Filed: April 10, 2003
    Publication date: February 16, 2006
    Inventors: Hong Lim, Dong-Ha Lee, Sun-Ok Kim, In-Young Choi, Sung-Eun Yoo, Kyu-Yang Yi, Sun-Kyung Lee, Jee-Hee Suh, Nak-Jeong Kim, Byung-Ho Lee, Ho -Won Seo, Hwa-Sup Shin
  • Publication number: 20050267188
    Abstract: The present invention relates to benzopyran derivatives substituted with secondary amines including imidazole, their preparation, and pharmaceutical compositions containing them. The present invention is pharmacologically useful for the treatment of cancer, rheumatoid arthritis, and diabetic retinopathies through anti-angiogenic properties, and also pharmacologically useful in the protection of heart and neuronal cells against ischemia-reperfusion injury or preserving organs.
    Type: Application
    Filed: July 30, 2003
    Publication date: December 1, 2005
    Inventors: Kyu Yi, Sun Lee, Sung-Eun Yoo, Jee Suh, Nak Kim, Sun Hwang, Byung-Ho Lee, Ho Seo, Chong Lee, Sang-Un Choi
  • Publication number: 20050203145
    Abstract: When a multi-step process reaction is carried out in a solution, it generally requires several treatments and purification procedures to go through with after the reaction, however, the inventive method for preparing 2,2?-disubstituted-3,4-dihydro-7,8-disubstituted-6-amino benzopyran derivative using a solid-phased synthetic method simplifies the treatment and purification procedures after the reaction, which makes possible to efficiently construct numerous drug-like libraries.
    Type: Application
    Filed: October 20, 2004
    Publication date: September 15, 2005
    Inventors: Young-Dae Gong, Hyae-Gyeong Cheon, Young-Sik Cho, Jin-Soo Seo, Jong-Yeon Hwang, Ji-Yeon Park, Sung-eun Yoo
  • Patent number: 6908942
    Abstract: The present invention provides (i) 6-amino-2,2-dimethyl-3,4,6-trisubstituted benzopyran derivatives; (ii) a process for synthesizing benzopyran derivatives with high efficiency by parallel synthesis on a solid-phase as one of combinatorial chemical synthesis technologies; and (iii) a use of the benzopyran derivatives for preventing and treating diseases or disorders induced by promotion of lipid peroxidation or accumulation of oxidized products.
    Type: Grant
    Filed: June 16, 2003
    Date of Patent: June 21, 2005
    Assignee: Korea Research Institute of Chemical Technology
    Inventors: Young-Dae Gong, Jin-Soo Seo, Jong Yeon Hwang, Sung-eun Yoo
  • Publication number: 20040097580
    Abstract: The present invention provides (i) novel 6-amino-2,2-dimethyl-3,4,6-trisubstituted benzopyran derivatives; (ii) a process for synthesizing novel benzopyran derivatives with high efficiency by parallel synthesis on a solid-phase as one of combinatorial chemical synthesis technologies; and (iii) a use of the novel benzopyran derivatives for preventing and treating diseases or disorders induced by promotion of lipid peroxidation or accumulations of oxidized products.
    Type: Application
    Filed: June 16, 2003
    Publication date: May 20, 2004
    Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young-Dae Gong, Jin-Soo Seo, Jong Yeon Hwang, Sung-Eun Yoo