Patents by Inventor Dong-Han Won

Dong-Han Won 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: 20180065768
    Abstract: The present invention has been made in an effort to more assuredly substitute oxygen in a vial. A gas substitution apparatus according to the exemplary embodiment of the present invention includes: a first gas substitution unit which seals a periphery of an opening of a vial disposed in a gas substitution section, and guides a flow of a first substitution gas to be supplied into the vial; and a second gas substitution unit which is coupled to an upper side of the first gas substitution unit, and guides a flow of a second substitution gas to be supplied directly into the vial.
    Type: Application
    Filed: March 4, 2016
    Publication date: March 8, 2018
    Inventors: Dong Han WON, Yong Min KIM, Hyung Don HWANG, Min Sung KIM, Seong Hun Jeon
  • Publication number: 20170340638
    Abstract: Provided is a composition of a ready-to-use injectable solution comprising pemetrexed or pharmaceutically acceptable salts thereof, containing pemetrexed; anhydrous sodium sulfite; and N-acetyl-L-cystein. With respect to use as an injectable preparation. The ready-to-use injectable solution composition is suitable for effective administration of pemetrexed since a melting process of main ingredients is not necessary before administration, and the composition can be used by being diluted immediately in a perfusate. In addition, the properties of the composition do not change even in long-term storage, and pharmaceutical stability is significantly improved by inhibiting related substances below a reference, whereby the composition can be stored in a liquid preparation state.
    Type: Application
    Filed: November 6, 2015
    Publication date: November 30, 2017
    Applicant: DONG-A ST CO., LTD
    Inventors: Mi-Won SOHN, Sun-Woo JANG, Dong-Han WON, Yong-Min KIM, Hyung-Don HWANG, Dong-Hun MIN
  • Publication number: 20100267818
    Abstract: This invention relates to a single-liquid pharmaceutical composition for injection containing docetaxel. The composition includes (A) docetaxel and pharmaceutically acceptable salts thereof, (B) a surfactant selected from the group consisting of polysorbate, polyoxyethylene glycol ester and polyoxyethylene castor oil derivatives, (C) a solvent comprising anhydrous ethanol in a concentration range of 100 to 800 mg/ml, in an injectable solution, and (D) a pH adjuster of an amount suitable for adjusting the pH of the liquid composition to 5 or less. The composition may be directly diluted in a perfusion liquid even without the use of an intermediary dilute solution in case the composition is used for injectable preparations since the composition is in a single liquid phase. Furthermore, the composition is suitable for effective administration of docetaxel since the pharmaceutical stability of the composition is significantly improved.
    Type: Application
    Filed: June 29, 2010
    Publication date: October 21, 2010
    Applicant: DONG-A PHARM. CO., LTD
    Inventors: Moo-Hi Yoo, Bong-Jin Cha, Jeong-Hoon Kim, Sun-Woo Jang, Dong-Han Won