Patents by Inventor Jun Hee Jang

Jun Hee Jang 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: 20220411454
    Abstract: Described herein are devices and methods for the efficient and economic generation of lignin monomers from biomass. The provided devices and methods utilize reductive catalytic fractionation with an organic solvent to extract high-quality lignin from biomass and cleave specific lignin bonds to generate valuable lignin monomers with a relatively narrow product slate. Advantageously, the devices and methods described herein utilize solvent recycling, multiple solvolysis chambers with multiple biomass beds and/or physical agitation (e.g., use of a screw extruder) to reduce the amount of solvent required and increase economic efficiency and monomer yield.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 29, 2022
    Inventors: Jacob S. KRUGER, Gregg Tyler BECKHAM, David Gregory BRANDNER, Andrew Wolf BARTLING, Yuriy ROMÁN, Jun Hee JANG, Nicholas Earl Thornburg, Gregory George Facas
  • Publication number: 20220313684
    Abstract: Provided is a pharmaceutical composition including irinotecan free base. The pharmaceutical composition according to the presently claimed subject matter enables the effective oral administration of irinotecan and as such, can increase the convenience of administration of irinotecan and provide a high in vivo absorption rate, compared to conventional injections.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 6, 2022
    Applicant: DAE HWA PHARMA. CO., LTD.
    Inventors: Jun-Hee JANG, In-Hyun LEE, Min-Hee SON, Hye-Jin PARK
  • Publication number: 20220296560
    Abstract: Provided is a pharmaceutical composition for oral administration in the form of powder obtained by a process including: (a) preparing an emulsion including zanamivir as an active ingredient; triglyceride; acyl glycerol; a nonionic surfactant; a sugar; and water; and (b) lyophilizing the emulsion prepared in the step (a). The pharmaceutical composition according to the presently claimed subject matter can significantly increase in vivo absorption rate of zanamivir. Further, the pharmaceutical composition according to the presently claimed subject matter is in the form of powder, which not only make it easy to store and distribute but also make it possible to avoid the use of functional packaging materials for preventing changes in moisture.
    Type: Application
    Filed: June 12, 2020
    Publication date: September 22, 2022
    Applicant: DAE HWA PHARMA. CO., LTD.
    Inventors: Jun-Hee JANG, In-Hyun LEE, Min-Hee SON, Hye-Jin PARK
  • Patent number: 8385488
    Abstract: Disclosed is an inter-cell interference mitigation method using a spatial covariance matrix (SCM) estimation method in a multi-input multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system for mitigating interference between asynchronous cells. The inter-cell interference mitigation method includes extracting a reference symbol (RS) of a received OFDM symbol and performing channel estimation, estimating an initial SCM using the RS signal and the channel estimation result, applying time-domain sinc type weighting to the initial SCM and applying an SCM, and demodulating a data symbol with mitigated inter-cell interference using the channel estimation result and the estimated SCM.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: February 26, 2013
    Assignee: SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration
    Inventors: Hyung-Jin Choi, Jun-Hee Jang, Jung-Su Han
  • Publication number: 20120063529
    Abstract: Disclosed is an inter-cell interference mitigation method using a spatial covariance matrix (SCM) estimation method in a multi-input multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system for mitigating interference between asynchronous cells. The inter-cell interference mitigation method includes extracting a reference symbol (RS) of a received OFDM symbol and performing channel estimation, estimating an initial SCM using the RS signal and the channel estimation result, applying time-domain sinc type weighting to the initial SCM and applying an SCM, and demodulating a data symbol with mitigated inter-cell interference using the channel estimation result and the estimated SCM.
    Type: Application
    Filed: September 15, 2009
    Publication date: March 15, 2012
    Applicant: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
    Inventors: Hyung-Jin Choi, Jun-Hee Jang, Jung-Su Han
  • Patent number: 6673841
    Abstract: The present invention relates to a composition of topical preparation containing alprostadil alkyl ester, and more particularly, comprising an alprostadil alkyl ester, an oily vehicle, a skin permeation enhancer and an anti-irritant agent.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: January 6, 2004
    Assignee: Whan In Pharm. Co., Ltd.
    Inventors: Dong Soo Lee, Kye Kwan Lee, Yun Seok Rhee, Jun Hee Jang, Sun Oh Jeoung, Sang Jin Kim, Sang Cheol Chi
  • Publication number: 20030125382
    Abstract: The present invention relates to a composition of topical preparation containing alprostadil alkyl ester, and more particularly, comprising an alprostadil alkyl ester, an oily vehicle, a skin permeation enhancer and an anti-irritant agent.
    Type: Application
    Filed: December 20, 2001
    Publication date: July 3, 2003
    Applicant: WHAN IN PHARM. CO., LTD.
    Inventors: Dong Soo Lee, Kye Kwan Lee, Yun Seok Rhee, Jun Hee Jang, Sun Oh Jeoung, Sang Jin Kim, Sang Cheol Chi