Patents by Inventor Young-Mook Lim

Young-Mook Lim 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).

  • Method for selectively crystallizing a Z isomer of iopromide
    Patent number: 8541620
    Abstract: The present invention relates to a method for selectively crystallizing Z isomer of iopromide of formula (I) comprising a) dissolving a crude iopromide comprising a mixture of E and Z isomers or a concentrate thereof in an alcohol, and b) heating the resulting alcohol solution to obtain crystalline of Z isomer of iopromide; and a method for preparing a composition comprising the crystalline Z isomer of iopromide.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: September 24, 2013
    Assignee: Daewoong Pharmaceutical Co., Ltd.
    Inventors: Soo-Jin Choi, Byung-Goo Lee, Han-Kuk Lee, Young-Mook Lim, Wol-Young Kim, Joon-Hwan Lee
  • NOVEL METHOD OF PREPARING BENZOIMIDAZOLE DERIVATIVES
    Publication number: 20130231477
    Abstract: This invention relates to a method of preparing a benzoimidazole derivative at high purity and high yield so as to enable the production of the benzoimidazole derivative compound as an antagonist against a vanilloid reactor-1, and particularly to a method of preparing a benzoimidazole derivative at high purity and high yield, wherein the benzoimidazole derivative is synthesized using a novel intermediate, namely, benzaldehyde, and thereby the preparation process is simple so that it can be applied to production.
    Type: Application
    Filed: September 27, 2011
    Publication date: September 5, 2013
    Applicant: DAEWOONG PHARMACEUTICAL CO., LTD.
    Inventors: In Woo Kim, Ji Duck Kim, Hong Chul Yoon, Hee Kyoon Yoon, Byung Goo Lee, Joon Hwan Lee, Young Mook Lim, Soo Jin Choi
  • METHOD FOR SELECTIVELY CRYSTALLIZING A Z ISOMER OF IOPROMIDE
    Publication number: 20110245347
    Abstract: The present invention relates to a method for selectively crystallizing Z isomer of iopromide of formula (I) comprising a) dissolving a crude iopromide comprising a mixture of E and Z isomers or a concentrate thereof in an alcohol, and b) heating the resulting alcohol solution to obtain crystalline of Z isomer of iopromide; and a method for preparing a composition comprising the crystalline Z isomer of iopromide.
    Type: Application
    Filed: October 12, 2009
    Publication date: October 6, 2011
    Applicant: DAEWOONG PHARMACEUTICAL CO., LTD.
    Inventors: Soo-Jin Choi, Byung-Goo Lee, Han-Kuk Lee, Young-Mook Lim, Wol-Young Kim, Joon-Hwan Lee