Patents Assigned to Dong Wha Pharmaceutical Co., Ltd.
  • Patent number: 8324238
    Abstract: Disclosed are aspartic acid salts of 1-cyclopropyl-6-fluoro-7-(8-methoxyimino-2,6-diaza-spiro[3.4]oct-6-yl)-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid, methods for preparing the same, and antimicrobial pharmaceutical compositions comprising the same.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: December 4, 2012
    Assignee: Dong Wha Pharmaceutical Co. Ltd.
    Inventors: Jei Man Ryu, Dong Rack Choi, Jin Yang, Sue Hye Yoon, Seung Hwan Kim, Sae Kwang Ku
  • Patent number: 8242152
    Abstract: This invention relates to a pharmaceutical composition containing 4-[(4-thiazolyl)phenoxyl]alkoxy-benzamidine derivatives expressed by the following formula 1 for the prophylaxis and treatment of osteoporosis and more particularly, to the use of 4-{5-[4-(5-isoproply-2-methyl-1,3-thiazol-4-yl)phenoxyl]pentoxy}-benzamidine or N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxyl]pentoxy}-benzamidine expressed by the following formula 1 as a pharmaceutical composition for the prophylaxis and treatment of osteoporosis.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: August 14, 2012
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Hong-Suk Suh, Jin Soo Lee, Pan-Soo Kim, Yun-Ha Hwang, Jei Man Ryu, Yong-Ho Chung, Eun-Joo Kim, Do-Hui Kim, Yong-Youp Park
  • Patent number: 8227496
    Abstract: A method of treating osteoporosis comprising administering to a subject a composition comprising a compound, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}-benzamidine or a salt thereof, is described. A method of inhibiting osteoclast activity and stimulating osteoblast activity in a subject also is described.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: July 24, 2012
    Assignee: Dong Wha Pharmaceutical Co., Ltd
    Inventors: Hong-Suk Suh, Jin Soo Lee, Pan-Soo Kim, Yun-Ha Hwang, Jei Man Ryu, Yong-Ho Chung, Eun-Joo Kim, Do-Hui Kim, Yong-Youp Park
  • Patent number: 8178688
    Abstract: The present invention relates to novel benzamidine derivatives, process for the preparation thereof and pharmaceutical composition comprising the same. The novel benzamidine derivatives of the present invention are useful for the prevention and treatment of osteoporosis, bone fractures and allergic inflammatory diseases.
    Type: Grant
    Filed: August 4, 2005
    Date of Patent: May 15, 2012
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jin Soo Lee, Seok Hoon Ahn, Young Goo Jin, Sang Mi Jin, Whui-Jung Park, Sae Kwang Ku, Yun Ha Hwang, Pan Soo Kim, Sun Shin Yi, Jei Man Ryu
  • Publication number: 20110306580
    Abstract: The object of the present invention is to provide a therapeutic agent or a prophylactic agent for a disease resulting from an abnormal bone metabolism, especially osteoporosis which is more effective than conventional agents. Excellent therapeutic effect or prophylactic effect on a disease resulting from an abnormal bone metabolism, especially osteoporosis, compared with the effect in administration of each compound alone can be obtained by the combination of an N-hydroxybenzamidine derivative represented by Formula (I) or a salt thereof with an activated vitamin D or a prodrug thereof.
    Type: Application
    Filed: January 29, 2010
    Publication date: December 15, 2011
    Applicants: DONG WHA PHARMACEUTICAL CO ., LTD., TEIJIN PHARMA LIMITED
    Inventors: Eiji Ochiai, Yasunori Nakayama, Jin-Soo Lee, Yun-Ha Hwang, Doc-Gyun Jeong
  • Patent number: 8039635
    Abstract: N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy} benzamidine 2 ethansulfonic acid salt, a process for the preparation thereof, a pharmaceutical composition for preventing and treating osteoporosis, bone fractures or allergic inflammatory diseases, comprising the same, and an oral formulation for preventing and treating osteoporosis, bone fractures or allergic inflammatory diseases, comprising the same are described.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: October 18, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jin Soo Lee, Soon Ki Cho, Seoung Kyoo Sung, Young Goo Jin, Jae Hoon Park, Bo Kyung Kim, Ja Hyun Cha, Eun Hee Cho, Jei Man Ryu
  • Patent number: 8008329
    Abstract: The present invention provides a method of treating or preventing osteoporosis comprising administering to a patient in need thereof an effective amount of pharmaceutical composition comprising benzamidine derivative or its salt, and bisphosphonate for the purpose of using simultaneously, separately, or sequentially as active ingredients. As a prophylactic or therapeutic composition for osteoporosis, the combination treatment of the benzamidine derivative and the bisphosphonate compound exhibits excellent inhibitory effect on osteoclast differentiation than the total effect of each individual treatment, thereby being used for the prevention or treatment of osteoporosis.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: August 30, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Jin Soo Lee, Yun-Ha Hwang, Young G. Jin, Ki Y. Kim
  • Patent number: 7964584
    Abstract: The present invention relates to a pharmaceutical composition for preventing and treating osteoporosis, comprising N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, or salts thereof, and alendronic acid or a salt thereof. As a prophylactic or therapeutic composition for osteoporosis, the combination treatment of N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}-benzamidine, or salts thereof and alendronic acid or a salt thereof exhibits excellent inhibitory effect on osteoclast differentiation, as compared to each individual treatment, thereby being useful for the prevention or treatment of osteoporosis.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: June 21, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Jin Soo Lee, Jae Hoon Park, Yun-Ha Hwang, Duk Kyun Chung
  • Patent number: 7943646
    Abstract: The present invention relates to a novel benzamidine derivative, a process for the preparation thereof, and a pharmaceutical composition comprising the same. The benzamidine derivative of the present invention effectively inhibits osteoclast differentiation at an extremely low concentration, and greatly increases the trabecular bone volume, and thus it can be advantageously used for the prevention and treatment of osteoporosis.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: May 17, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Jin Soo Lee, Young Goo Jin, Ki Young Lee, Jae Hoon Park, Yun Ha Hwang, Sae Kwang Ku
  • Patent number: 7923443
    Abstract: Disclosed herein is a composition for the treatment bone fracture comprising N-hydroxy-4-{5-[4-( 5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxyl-benzamidine, 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl) phenoxy]pentoxy}-benzamidine or pharmaceutically acceptable salts thereof as a medicinally effective ingredient. The composition of the present invention can significantly reduce the volume of bony callus, and increase bony density and strength of bony callus, and decrease the contents of connective tissue and cartilage tissue in bony callus, and thus promote loss and ossification of the bony callus formed during the fracture healing process. Therefore, the composition of the present invention is useful for the treatment of bone fracture.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: April 12, 2011
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Jei Man Ryu, Jin Soo Lee, Sae Kwang Ku, Jung Woo Lee, Hee Bog Yang
  • Publication number: 20100249402
    Abstract: The present invention relates to novel benzamidine derivatives, a process for the preparation thereof and a pharmaceutical composition for preventing or treating osteoporosis comprising the same. The benzamidine derivatives of the present invention effectively inhibit osteoclast differentiation at an extremely low concentration, and thus can be advantageously used for the prevention and treatment of osteoporosis.
    Type: Application
    Filed: July 28, 2008
    Publication date: September 30, 2010
    Applicant: DONG WHA PHARMACEUTICAL CO. LTD.
    Inventors: Jei Man Ryu, Jin Soo Lee, Young Goo Jin, Jae Hoon Park, Bo Kyung Kim, Dae Yeon Won, Yun-Ha Hwang, Ki Yoon Kim, Sae Kwang Ku
  • Publication number: 20100113538
    Abstract: N-hydroxy-4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxy]pentoxy}benzamidine 2 ethansulfonic acid salt, a process for the preparation thereof, a pharmaceutical composition for preventing and treating osteoporosis, bone fractures or allergic inflammatory diseases, comprising the same, and an oral formulation for preventing and treating osteoporosis, bone fractures or allergic inflammatory diseases, comprising the same are described.
    Type: Application
    Filed: April 21, 2008
    Publication date: May 6, 2010
    Applicant: DONG WHA PHARMACEUTICAL CO., LTD.
    Inventors: Jin Soo Lee, Soon Ki Cho, Seoung Kyoo Sung, Young Goo Jin, Jae Hoon Park, Bo Kyung Kim, Ja Hyun Cha, Eun Hee Cho, Jei Man Ryu
  • Patent number: 7662840
    Abstract: This invention relates to a pharmaceutical composition containing 4-[(4-thiazolyl)phenoxyl]alkoxy-benzamidine derivatives expressed by the following formula 1 for the prevention and treatment of osteoporosis and more particularly, to the use of 4-{5-[4-(5-isopropyl-2-methyl-1,3-thiazol-4-yl)phenoxyl]pentoxy}-benzamidine or N-hydroxy-4-{5-[4-(5-iso-propyl-2-methyl-1,3-thiazol-4-yl)phenoxyl]pentoxy}-benzamidine expressed by the following formula 1, which is known as an antagonist of leukotriene-B4 receptor, as a pharmaceutical composition for the prevention and treatment of osteoporosis. [Formula 1], wherein, R is a hydrogen atom or a hydroxy group.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: February 16, 2010
    Assignee: Dong Wha Pharmaceutical Co., Ltd.
    Inventors: Hong-Suk Suh, Jin-Soo Lee, Pan-Soo Kim, Yun-Ha Hwang, Jei-Man Ryu, Yong-Ho Chung, Eun-Joo Kim, Do-Hui Kim, Yong-Youp Park