Patents by Inventor Yeong Chae Lee

Yeong Chae Lee 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: 11975076
    Abstract: The present invention relates to antibody-drug conjugates (ADCs) wherein a plurality of active agents are conjugated to an antibody through at least one branched linker. The branched linker may comprise a branching unit, and two active agents are coupled to the branching unit through a secondary linker and the branching unit is coupled to the antibody by a primary linker. The active agents may be the same or different. In certain such embodiments, two or more such branched linkers are conjugated to the antibody, e.g., 2-4 branched linkers, which may each be coupled to a different C-terminal cysteine of a heavy or light chain of the antibody. The branched linker may comprise one active agent coupled to the branching unit by a first branch and a second branch that comprises a polyethylene glycol moiety coupled to the branching unit. In certain such embodiments, two or more such branched linkers are conjugated to the antibody, e.g.
    Type: Grant
    Filed: November 12, 2021
    Date of Patent: May 7, 2024
    Assignee: LegoChem Biosciences, Inc.
    Inventors: Yong Zu Kim, Yeong Soo Oh, Jeiwook Chae, Ho Young Song, Chul-Woong Chung, Yun Hee Park, Hyo Jung Choi, Kyung Eun Park, Hyoungrae Kim, Jinyeong Kim, Ji Young Min, Sung Min Kim, Byung Soo Lee, Dong Hyun Woo, Ji Eun Jung, Su In Lee
  • Patent number: 8349162
    Abstract: The present invention relates to An electronic osmotic dehydrator of electrophoresis style with a phase control using three-phase current, and more specifically, to An electronic osmotic dehydrator of electrophoresis style with a phase control using three-phase current, which can minimize an unnecessary loss of power consumed in the rotating drum itself by emboding the applying structure of the DC power supplied to the dehydrating domain of the electro-osmotic dehydrator so that a strength of the electric field generated between the rotating drum and the caterpillar may be variably controlled depending upon a sludge volume, and improving a structure of the rotating drum to which the DC power is applied, when forming an electronic osmotic dehydrator comprising a rotating drum in the cylindrical form, a caterpillar running on an endless track at a certain space from the rotating drum and two filter cloth belts for transferring and dehydrating the sludge as wound between the drum and the caterpillar, which is a
    Type: Grant
    Filed: June 26, 2008
    Date of Patent: January 8, 2013
    Assignees: Korea Water Technology Inc.
    Inventor: Yeong Chae Lee
  • Patent number: 8293090
    Abstract: The present invention relates to an electroosmotic dehydrator, and more specifically to an electroosmotic dehydrator having a structure of improving durability and electrical conductivity of a drum that is a core part of the electroosmotic dehydrator, making it possible to secure stable dehydrating work, extend use lifetime, and reduce power consumption. According to the present invention, An electroosmotic dehydrator comprising: a drum applied with + or ?; a caterpillar or an electrode plate applied with + or ? by being mounted to be spaced by a constant space portion from the drum; and a filter cloth belt wound for transfer and dehydration of sludge between the drum and the caterpillar or the electrode plate, characterized in that a copper plate is mounted to an outer side surface of the drum and a titanium plate is coated with a coating agent of platinum-based metal to an outer side surface of the copper plate.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: October 23, 2012
    Assignees: Korea Water Technology Inc.
    Inventor: Yeong Chae Lee
  • Publication number: 20100258442
    Abstract: The present invention relates to An electronic osmotic dehydrator of electrophoresis style with a phase control using three-phase current, and more specifically, to An electronic osmotic dehydrator of electrophoresis style with a phase control using three-phase current, which can minimize an unnecessary loss of power consumed in the rotating drum itself by emboding the applying structure of the DC power supplied to the dehydrating domain of the electro-osmotic dehydrator so that a strength of the electric field generated between the rotating drum and the caterpillar may be variably controlled depending upon a sludge volume, and improving a structure of the rotating drum to which the DC power is applied, when forming an electronic osmotic dehydrator comprising a rotating drum in the cylindrical form, a caterpillar running on an endless track at a certain space from the rotating drum and two filter cloth belts for transferring and dehydrating the sludge as wound between the drum and the caterpillar, which is a
    Type: Application
    Filed: June 26, 2008
    Publication date: October 14, 2010
    Inventor: Yeong Chae Lee
  • Publication number: 20100236933
    Abstract: The present invention relates to an electroosmotic dehydrator, and more specifically to an electroosmotic dehydrator having a structure of improving durability and electrical conductivity of a drum that is a core part of the electroosmotic dehydrator, making it possbile to secure stable dehydrating work, extend use lifetime, and reduce power consumption. According to the present invention, An electroosmotic dehydrator comprising: a drum applied with + or ?; a caterpillar or an electrode plate applied with + or ? by being mounted to be spaced by a constant space portion from the drum; and a filter cloth belt wound for transfer and dehydration of sludge between the drum and the caterpillar or the electrode plate, characterized in that a copper plate is mounted to an outer side surface of the drum and a titanium plate is coated with a coating agent of platinum-based metal to an outer side surface of the copper plate.
    Type: Application
    Filed: January 25, 2008
    Publication date: September 23, 2010
    Inventor: Yeong Chae Lee
  • Publication number: 20090114540
    Abstract: Disclosed is an electro-osmotic dehydrator dehydrating sludges generated from the treatment plants of, such as, pure water, sewage water, night soil, waste water, etc. using three phase alternating current. More particularly, the present invention is directed to an electro-osmotic dehydrator using three phase alternating current having three technical configurations as described below. (i) An electrode allowing voltage to be applied to a drum and a caterpillar comprises a spring and a graphite elastic supported by the spring, such that stable contact is possible regardless of the amount or constellation of sludges, and even abrasions of the electrode are progressing, the contact maintains always constant, thereby persisting the function of dehydration.
    Type: Application
    Filed: September 4, 2006
    Publication date: May 7, 2009
    Applicant: Samwoointec Inc.
    Inventor: Yeong Chae Lee