Patents by Inventor Yeh-Long Chen

Yeh-Long Chen 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).

  • Patent number: 11135206
    Abstract: The present invention provides novel pyrazolo[4,3-c]quinoline derivatives exhibiting specifically inhibition activity to microbiota ?-glucuronidase, whereby providing potent activities to prevent chemotherapy-induced diarrhea (CID) of cancers. Therefore, the compounds of the present invention can be used as (1) chemotherapy-adjuvant to prevent chemotherapy-induced diarrhea (CID) and enhance chemotherapeutic efficiency of cancers; (2) health-food supplement to prevent the carcinogens induced colon carcinoma.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: October 5, 2021
    Assignee: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Yeh-Long Chen, Tian-Lu Cheng, Cherng-Chyi Tzeng, Chih-Hua Tseng, Ta-Chun Cheng, Kai-Wen Cheng, Wei-Fen Luo
  • Patent number: 11052072
    Abstract: The present invention provides novel pyrazolo[4,3-c]quinoline derivatives exhibiting specifically inhibition activity to microbiota ?-glucuronidase, whereby providing potent activities to prevent chemotherapy-induced diarrhea (CID) of cancers. Therefore, the compounds of the present invention can be used as (1) chemotherapy-adjuvant to prevent chemotherapy-induced diarrhea (CID) and enhance chemotherapeutic efficiency of cancers; (2) health-food supplement to prevent the carcinogens induced colon carcinoma.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: July 6, 2021
    Assignee: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Yeh-Long Chen, Tian-Lu Cheng, Cherng-Chyi Tzeng, Chih-Hua Tseng, Ta-Chun Cheng, Kai-Wen Cheng, Wei-Fen Luo
  • Patent number: 10654848
    Abstract: Disclosed herein are compounds of formula (I), and pharmaceutical compositions comprising the same. The compounds of formula (I) are neutrophilic inflammation inhibitors, thus, they are useful for treatment and/or prophylaxis of inflammatory diseases and/or disorders associated with abnormal activation of neutrophils, such as ARDS, ALI, COPD, lung fibrosis, chronic bronchitis, pulmonary emphysema, ?-1 anti-trypsin deficiency, cystic fibrosis, idiopathic pulmonary fibrosis, liver injury, steatohepatitis, liver fibrosis, damages caused by ischemia and reperfusion, myocardial infarction, shock, stroke, and organ transplantation, ulcerative cholitis, vasculitis, SLE, sepsis, SIRS, arthritis, psoriasis, atopic dermatitis, and inflammatory skin diseases.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: May 19, 2020
    Assignees: Chang Gung University of Science and Technology, Chang Gung University, Kaohsiung Medical University
    Inventors: Tsong-Long Hwang, Yeh-Long Chen, Cherng-Chyi Tzeng, Chih-Hua Tseng
  • Publication number: 20200148674
    Abstract: Disclosed herein are compounds of formula (I), and pharmaceutical compositions comprising the same. The compounds of formula (I) are neutrophilic inflammation inhibitors, thus, they are useful for treatment and/or prophylaxis of inflammatory diseases and/or disorders associated with abnormal activation of neutrophils, such as ARDS, ALI, COPD, lung fibrosis, chronic bronchitis, pulmonary emphysema, ?-1 anti-trypsin deficiency, cystic fibrosis, idiopathic pulmonary fibrosis, liver injury, steatohepatitis, liver fibrosis, damages caused by ischemia and reperfusion, myocardial infarction, shock, stroke, and organ transplantation, ulcerative cholitis, vasculitis, SLE, sepsis, SIRS, arthritis, psoriasis, atopic dermatitis, and inflammatory skin diseases.
    Type: Application
    Filed: November 9, 2018
    Publication date: May 14, 2020
    Applicant: Chang Gung University of Science and Technology
    Inventors: Tsong-Long HWANG, Yeh-Long CHEN, Cherng-Chyi TZENG, Chih-Hua TSENG
  • Publication number: 20200113878
    Abstract: The present invention provides novel pyrazolo[4,3-c]quinoline derivatives exhibiting specifically inhibition activity to microbiota ?-glucuronidase, whereby providing potent activities to prevent chemotherapy-induced diarrhea (CID) of cancers. Therefore, the compounds of the present invention can be used as (1) chemotherapy-adjuvant to prevent chemotherapy-induced diarrhea (CID) and enhance chemotherapeutic efficiency of cancers; (2) health-food supplement to prevent the carcinogens induced colon carcinoma.
    Type: Application
    Filed: December 12, 2019
    Publication date: April 16, 2020
    Inventors: Yeh-Long Chen, Tian-Lu Cheng, Cherng-Chyi Tzeng, Chih-Hua Tseng, Ta-Chun Cheng, Kai-Wen Cheng, Wei-Fen Luo
  • Publication number: 20180214426
    Abstract: The present invention provides novel pyrazolo[4,3-c]quinoline derivatives exhibiting specifically inhibition activity to microbiota ?-glucuronidase, whereby providing potent activities to prevent chemotherapy-induced diarrhea (CID) of cancers. Therefore, the compounds of the present invention can be used as (1) chemotherapy-adjuvant to prevent chemotherapy-induced diarrhea (CID) and enhance chemotherapeutic efficiency of cancers; (2) health-food supplement to prevent the carcinogens induced colon carcinoma.
    Type: Application
    Filed: May 26, 2016
    Publication date: August 2, 2018
    Inventors: Yeh-Long Chen, Tian-Lu Cheng, Cherng-Chyi Tzeng, Chih-Hua Tseng, Ta-Chun Cheng, Kai-Wen Cheng, Wei-Fen Luo
  • Patent number: 8952033
    Abstract: Disclosed herein are novel 4-anilinofuro[2,3-b]quinoline derivatives of formula (I): or a pharmaceutically acceptable salt thereof, wherein each of the substituents is given the definition as set forth in the Specification and Claims. Also disclosed are the preparation processes of these derivatives and their uses in the manufacture of pharmaceutical compositions and in the treatment of cancers.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: February 10, 2015
    Assignee: Kaohsiung Medical University
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Yu-Wen Chen, Pei-Jung Lu
  • Patent number: 8552029
    Abstract: Provided is a quinoline derivative of Chemical Formula (I): wherein, R1 is a substituted or unsubstituted phenyl group, R2 is a halogen, and R3 is a substituted or unsubstituted phenyl group, and one of the carbon atoms in the phenyl ring of the phenyl group is optionally substituted by a nitrogen atom (N). The quinoline derivative can efficiently inhibit cancer cell proliferation and can be used for treating cancer, especially for treating cancers related to the Janus kinase-signal transducers and activators of transcription (JAK-STAT) pathway and/or the mitogen-activated protein kinase (MAPK) pathway.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: October 8, 2013
    Assignee: National Taipei University of Technology
    Inventors: Kuo-Yuan Hwa, Yu-May Lee, Yeh-Long Chen, Cherng-Chyi Tzeng, Hsin-Yuan Cho
  • Publication number: 20130172336
    Abstract: Disclosed herein are novel 4-anilinofuro[2,3-b]quinoline derivatives of formula (I): or a pharmaceutically acceptable salt thereof, wherein each of the substituents is given the definition as set forth in the Specification and Claims. Also disclosed are the preparation processes of these derivatives and their uses in the manufacture of pharmaceutical compositions and in the treatment of cancers.
    Type: Application
    Filed: December 30, 2011
    Publication date: July 4, 2013
    Applicant: Kaohsiung Medical University
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Yu-Wen Chen, Pei-Jung Lu
  • Publication number: 20130096157
    Abstract: Provided is a quinoline derivative of Chemical Formula (I): wherein, R1 is a substituted or unsubstituted phenyl group, R2 is a halogen, and R3 is a substituted or unsubstituted phenyl group, and one of the carbon atoms in the phenyl ring of the phenyl group is optionally substituted by a nitrogen atom (N). The quinoline derivative can efficiently inhibit cancer cell proliferation and can be used for treating cancer, especially for treating cancers related to the Janus kinase-signal transducers and activators of transcription (JAK-STAT) pathway and/or the mitogen-activated protein kinase (MAPK) pathway.
    Type: Application
    Filed: February 6, 2012
    Publication date: April 18, 2013
    Applicant: NATIONAL TAIPEI UNIVERSITY OF TECHNOLOGY
    Inventors: Kuo-Yuan HWA, Yu-May LEE, Yeh-Long CHEN, Cherng-Chyi TZENG, Hsin-Yuan CHO
  • Patent number: 8273760
    Abstract: Disclosed herein are indolo[3,2-c]quinoline compounds of formula (I): or a pharmaceutically acceptable salt thereof, wherein R and m are given the definitions as set forth in the Specification and Claims. These compounds can be used to inhibit both growth of cancer cells and activity of telomerase.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: September 25, 2012
    Assignee: Kaohsiung Medical University
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Jing-Jer Lin, Chih-Ming Lu
  • Patent number: 8138184
    Abstract: An isoxazole derivative is provided. The isoxazole derivative has following formula: wherein R1, R2, R3, R4 and R5, independently, include hydrogen, hydroxy or C1-C12 alkoxy optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy. The invention also provides a pharmaceutical composition for treatment of osteoporosis and cancer including an isoxazole derivative or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: March 20, 2012
    Assignee: Kaohsiung Medical University
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Gwo-Jaw Wang, Mei-Ling Ho, Je-Ken Chang, Yin-Chih Fu
  • Publication number: 20100286163
    Abstract: Disclosed herein are indolo[3,2-c]quinoline compounds of formula (I): or a pharmaceutically acceptable salt thereof, wherein R and m are given the definitions as set forth in the Specification and Claims. These compounds can be used to inhibit both growth of cancer cells and activity of telomerase.
    Type: Application
    Filed: August 31, 2009
    Publication date: November 11, 2010
    Applicant: Kaohsiung Medical Univeristy
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Jing-Jer Lin, Chih-Ming Lu
  • Patent number: 7829567
    Abstract: Disclosed herein are novel imino-indeno[1,2-c]quinoline derivatives of formula (I): or a pharmaceutically acceptable salt or solvate thereof, wherein each of the substituents is given the definition as set forth in the Specification and Claims. Also disclosed are the preparation processes of these derivatives, their synthetic precursors and their uses in the manufacture of pharmaceutical compositions for use in the treatment of cancers.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: November 9, 2010
    Assignee: Kaohsiung Medical University
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Chih-Hua Tseng, Pei-Jung Lu
  • Patent number: 7763633
    Abstract: Indolo[3,2-c]quinoline compounds of formula (I) shown below. Each variable in this formula is defined herein. These compounds can be used to inhibit both growth of cancer cells and activity of telomerase.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: July 27, 2010
    Assignee: Kaohsiung Medical University
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Jing-Jer Lin, Chih-Ming Lu
  • Publication number: 20090298846
    Abstract: Indolo[3,2-c]quinoline compounds of formula (I) shown below. Each variable in this formula is defined herein. These compounds can be used to inhibit both growth of cancer cells and activity of telomerase.
    Type: Application
    Filed: April 9, 2009
    Publication date: December 3, 2009
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: CHERNG-CHYI TZENG, YEH-LONG CHEN, JING-JER LIN, CHIH-MING LU
  • Patent number: 7618998
    Abstract: An isoflavone derivative is provided. The isoxazole derivative has following formula: wherein R1 and R2, independently, include C1-C12 alkyl optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy, and R3 includes hydrogen, hydroxy or C1-C12 alkoxy optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy. The invention also provides a pharmaceutical composition for treatment of osteoporosis including an isoflavone derivative or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: November 17, 2009
    Assignee: Kaosiung Medical University
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Gwo-Jaw Wang, Mei-Ling Ho, Je-Ken Chang, Yin-Chih Fu
  • Publication number: 20090215767
    Abstract: An isoflavone derivative is provided. The isoxazole derivative has following formula: wherein R1 and R2, independently, include C1-C12 alkyl optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy, and R3 includes hydrogen, hydroxy or C1-C12 alkoxy optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy. The invention also provides a pharmaceutical composition for treatment of osteoporosis including an isoflavone derivative or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: September 30, 2008
    Publication date: August 27, 2009
    Inventors: Cherng-Chyi TZENG, Yeh-Long Chen, Gwo-Jaw Wang, Mei-Ling Ho, Je-Ken Chang, Yin-Chih Fu
  • Publication number: 20090215768
    Abstract: An isoxazole derivative is provided. The isoxazole derivative has following formula: wherein R1, R2, R3, R4 and R5, independently, include hydrogen, hydroxy or C1-C12 alkoxy optionally substituted with oxirane, thiirane, aziridine, amino, cycloamino, aminohydroxy or cycloaminohydroxy. The invention also provides a pharmaceutical composition for treatment of osteoporosis and cancer including an isoxazole derivative or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: October 1, 2008
    Publication date: August 27, 2009
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Gwo-Jaw Wang, Mai-Ling Ho, Je-Ken Chang, Yin-Chih Fu
  • Publication number: 20090111987
    Abstract: Disclosed herein are novel imino-indeno[1,2-c]quinoline derivatives of formula (I): or a pharmaceutically acceptable salt or solvate thereof, wherein each of the substituents is given the definition as set forth in the Specification and Claims. Also disclosed are the preparation processes of these derivatives, their synthetic precursors and their uses in the manufacture of pharmaceutical compositions for use in the treatment of cancers.
    Type: Application
    Filed: October 31, 2007
    Publication date: April 30, 2009
    Applicant: Kaohsiung Medical University
    Inventors: Cherng-Chyi Tzeng, Yeh-Long Chen, Chih-Hua Tseng, Pei-Jung Lu