Patents by Inventor Seong-Shin Kwak

Seong-Shin Kwak 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: 11266658
    Abstract: The present disclosure relates to an orally administered pharmaceutical formulation containing an inclusion complex formed as varenicline or a pharmaceutically acceptable salt thereof is included in cyclodextrin. The pharmaceutical formulation can improve convenience of medication by effectively masking the bitter taste of the drug and the irritation during swallowing, can provide the oxidation stability of varenicline and can improve the solubility of the drug.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: March 8, 2022
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Seul Ki Meang, Su-Jun Park, Seong-Shin Kwak
  • Publication number: 20200061078
    Abstract: The present disclosure relates to an orally administered pharmaceutical formulation containing an inclusion complex formed as varenicline or a pharmaceutically acceptable salt thereof is included in cyclodextrin. The pharmaceutical formulation can improve convenience of medication by effectively masking the bitter taste of the drug and the irritation during swallowing, can provide the oxidation stability of varenicline and can improve the solubility of the drug.
    Type: Application
    Filed: March 2, 2018
    Publication date: February 27, 2020
    Inventors: Hong Ryeol JEON, Do-Woo KWON, Bong-Sang LEE, Seul Ki MEANG, Su-Jun PARK, Seong-Shin KWAK
  • Patent number: 10512610
    Abstract: The present invention provides a pharmaceutical formulation comprising clomipramine or its pharmaceutically acceptable salt (preferably, clomipramine hydrochloride) as the first active ingredient, and sildenafil or its pharmaceutically acceptable salt (preferably, sildenafil citrate) as the second active ingredient, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation. In particular, the present invention provides a pharmaceutical formulation comprising the above two active ingredients and manufactured by using a wet granulation method, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 24, 2019
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Bong-Sang Lee, Seong-Shin Kwak, Dong-Jin Lee, Hyun-Jung Park, Jung-Hwa Kim
  • Publication number: 20190224208
    Abstract: The present invention relates to a pharmaceutical composition for treating, preventing or improving premature ejaculation, which is taken on demand prior to sexual activity, the composition comprising clomipramine hydrochloride in an amount of 14 to 16 mg, preferably about 15 mg, as an active ingredient. More preferably, the composition of the present invention further comprises pregelatinized starch and sodium starch glycolate. The pharmaceutical composition of the present invention can provide rapid onset of efficacy, reduce a dissolution (absorption) deviation according to the patient's gastrointestinal pH conditions and minimize side effects.
    Type: Application
    Filed: April 4, 2019
    Publication date: July 25, 2019
    Applicant: CTC Bio, Inc.
    Inventors: Hong-Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Seong-Shin Kwak, Sun-Ahe Lee, Hyun-Jung Park, Jeong-Hwa Yoo
  • Publication number: 20180311170
    Abstract: The present invention provides a pharmaceutical formulation comprising clomipramine or its pharmaceutically acceptable salt (preferably, clomipramine hydrochloride) as the first active ingredient, and sildenafil or its pharmaceutically acceptable salt (preferably, sildenafil citrate) as the second active ingredient, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation. In particular, the present invention provides a pharmaceutical formulation comprising the above two active ingredients and manufactured by using a wet granulation method, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation.
    Type: Application
    Filed: July 6, 2018
    Publication date: November 1, 2018
    Inventors: Hong Ryeol JEON, Bong-Sang LEE, Seong-Shin KWAK, Dong-Jin LEE, Hyun-Jung PARK, Jung-Hwa KIM
  • Patent number: 10045944
    Abstract: The present invention provides a pharmaceutical formulation comprising clomipramine or its pharmaceutically acceptable salt (preferably, clomipramine hydrochloride) as the first active ingredient, and sildenafil or its pharmaceutically acceptable salt (preferably, sildenafil citrate) as the second active ingredient, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation. In particular, the present invention provides a pharmaceutical formulation comprising the above two active ingredients and manufactured by using a wet granulation method, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: August 14, 2018
    Assignee: CTC BIO, INC.
    Inventors: Hong Ryeol Jeon, Bong-Sang Lee, Seong-Shin Kwak, Dong-Jin Lee, Hyun-Jung Park, Jung-Hwa Kim
  • Publication number: 20160324789
    Abstract: The present invention provides a pharmaceutical formulation comprising clomipramine or its pharmaceutically acceptable salt (preferably, clomipramine hydrochloride) as the first active ingredient, and sildenafil or its pharmaceutically acceptable salt (preferably, sildenafil citrate) as the second active ingredient, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation. In particular, the present invention provides a pharmaceutical formulation comprising the above two active ingredients and manufactured by using a wet granulation method, wherein stability of clomipramine is improved, and a method for manufacturing this pharmaceutical formulation.
    Type: Application
    Filed: December 29, 2014
    Publication date: November 10, 2016
    Inventors: Hong Ryeol JEON, Bong-Sang LEE, Seong-Shin KWAK, Dong-Jin LEE, Hyun-Jung PARK, Jung-Hwa KIM
  • Publication number: 20140200210
    Abstract: The present invention relates to a pharmaceutical composition for treating, preventing or improving premature ejaculation, which is taken on demand prior to sexual activity, the composition comprising clomipramine hydrochloride in an amount of 14 to 16 mg, preferably about 15 mg, as an active ingredient. More preferably, the composition of the present invention further comprises pregelatinized starch and sodium starch glycolate. The pharmaceutical composition of the present invention can provide rapid onset of efficacy, reduce a dissolution (absorption) deviation according to the patient's gastrointestinal pH conditions and minimize side effects.
    Type: Application
    Filed: June 28, 2012
    Publication date: July 17, 2014
    Applicant: CTC BIO, INC.
    Inventors: Hong-Ryeol Jeon, Do-Woo Kwon, Bong-Sang Lee, Seong-Shin Kwak, Sun-Ahe Lee, Hyun-Jung Park, Jeong-Hwa Yoo
  • Publication number: 20110184024
    Abstract: The present invention relates to esomeprazole free base or its alkali salt-containing composition which stability is improved and is easy to manufacture.
    Type: Application
    Filed: September 16, 2008
    Publication date: July 28, 2011
    Applicant: CTC BIO, INC.
    Inventors: Seong-Shin Kwak, Bong-Sang Lee, Do-Woo Kwon, Hong Ryeol Jeon, Ji-Yun Moon, Dong-Jin Lee