Patents by Inventor Kyung Chang

Kyung Chang 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: 11299559
    Abstract: A modified conjugated diene-based polymer and a rubber composition including a modified conjugated diene-based polymer are disclosed herein. In some embodiments, a modified conjugated diene-based polymer includes a functional group derived from a modification initiator at one terminal and a functional group derived from a modifier represented by the Formula 2 or Formula 3 at the other terminal, wherein the modified conjugated diene-based polymer having a unimodal molecular weight distribution, and a polydispersity index of 1.0 to less than 1.7. The modified conjugated diene-based polymer prepared by continuous polymerization and having remarkable processability, narrow molecular weight distribution and excellent physical properties.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: April 12, 2022
    Inventors: Ho Young Lee, Jae Hoon Choe, Kyung Chang Seo, No Ma Kim
  • Publication number: 20210378382
    Abstract: The present invention relates to a grinding cosmetic container, and grinds solid cosmetic contents by means of a grinding member so as to enable application of same as powdered cosmetic contents, thereby allowing cosmetic contents to be uniformly stuck to a puff and, simultaneously, allowing the cosmetic contents to be refilled and used.
    Type: Application
    Filed: October 25, 2019
    Publication date: December 9, 2021
    Inventors: Jun Hong LEE, Kyung Chang LEE
  • Publication number: 20210353034
    Abstract: The present invention relates to an airless cosmetic container comprising: a lower container (10) having an opened lower part; an inner container (20) which is a cylindrical member inserted through the upper opening of the lower container (10) and having a closed lower part, and which has an upper outer flange (21) mounted on and assembled to the upper end of the lower container (10); a container cover (30) which is a cylindrical member for covering the upper opening of the inner container (20), and of which a lower protruding groove (31) protruding downwards from the center thereof is positioned in a cylinder (22) protruding from the center of the inner container (20) and an outer end (32) is coupled to two vertical protruding rods (23) protruding toward the upper part of the upper outer flange (21) of the inner container (20); a cylindrical spring (40) coupled in the container cover (30); a disc-shaped upper lid (50), having a recessed upper surface, coupled to the upper part of the cylindrical spring (40);
    Type: Application
    Filed: October 19, 2018
    Publication date: November 18, 2021
    Inventor: Kyung Chang LEE
  • Patent number: 11097005
    Abstract: Provided herein are methods and pharmaceutical compositions for the treatment of obesity-associated conditions using cadherin-11 antagonists.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: August 24, 2021
    Assignee: The Brigham and Women's Hospital, Inc.
    Inventors: Michael B. Brenner, Sook Kyung Chang, Lydia Lynch
  • Publication number: 20210179741
    Abstract: A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. In some embodiments, the modified conjugated diene-based polymer includes a modified monomer-derived functional group represented by Formula 1, and an aminoalkoxysilane-based modifier-derived functional group at least one end thereof, wherein the polymer having a unimodal molecular weight distribution, and a polydispersity index (PDI) of 1.0 or more to less than 1.7. The polymer has a narrow and unimodal molecular weight distribution, and has excellent tensile properties and viscoelastic properties while having excellent processability.
    Type: Application
    Filed: May 8, 2019
    Publication date: June 17, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Kyung Chang Seo, Yu Jin Kim, Youk Reol Na, No Ma Kim
  • Patent number: 11026494
    Abstract: A lipstick vessel includes: a cylindrical upper cover, the upper part of which is closed and the lower part thereof is opened; a shoulder of a cylindrical member, the upper and lower parts of which are opened, which is inserted into the lower opening of the upper cover; a lower cover of a cylindrical member, the upper part of which is opened and the lower part thereof is closed, and the upper opening portion thereof is inserted into the lower outer circumference of a circumferential protrusion protruding outward at a center of the shoulder; a rotating body of a cylindrical member, which is inserted into the lower cover to rotate integrally with the lower cover; and a lipstick holding member for holding a lipstick at the upper part thereof.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: June 8, 2021
    Assignee: SAMHWA CO., LTD.
    Inventor: Kyung Chang Lee
  • Patent number: 11001661
    Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount of 30 wt % or more, and a rubber composition including the same.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: May 11, 2021
    Inventors: Hae Sung Sohn, Tae Chul Lee, He Seung Lee, No Ma Kim, Sun Keun Kim, Youk Reol Na, Kyung Chang Seo, Heung Yeal Choi
  • Publication number: 20210007463
    Abstract: A lipstick case is proposed, such that it is advantageous in that not only is outer air prevented from infiltrating into the lipstick case when the lipstick is not used, but any contact between the lipstick and air is also suppressed, thereby preventing degradation of the lipstick.
    Type: Application
    Filed: March 12, 2019
    Publication date: January 14, 2021
    Inventor: Kyung Chang LEE
  • Patent number: 10849403
    Abstract: A lip gloss container, having: a cap of a cylindrical member, to a lower center of which a brush rod is fitted and at a lower inner circumference thereof a female screw is formed; a lower container of a cylindrical member, the upper portion of which is open and the bottom portion thereof is closed to contain cosmetic contents; a cylindrical tube having opened top and bottom portions, which is inserted through the upper opening of the lower container; and a shoulder member provided with a male screw which is coupled to the upper outer circumference of the cylindrical tube so as to be coupled with a female screw of the cap at the upper outer circumference. The container has such an effect that cosmetic contents introduced into a brush rod receiving member and cosmetic contents in the lower container are not mixed with each other so that cosmetics in the container are not contaminated by cosmetics in use.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: December 1, 2020
    Assignee: SAMHWA CO., LTD.
    Inventor: Kyung Chang Lee
  • Publication number: 20200354482
    Abstract: A modified conjugated diene-based polymer and a rubber composition including a modified conjugated diene-based polymer are disclosed herein. In some embodiments, a modified conjugated diene-based polymer includes a functional group derived from a modification initiator at one terminal and a functional group derived from a modifier represented by the Formula 2 or Formula 3 at the other terminal, wherein the modified conjugated diene-based polymer having a unimodal molecular weight distribution, and a polydispersity index of 1.0 to less than 1.7. The modified conjugated diene-based polymer prepared by continuous polymerization and having remarkable processability, narrow molecular weight distribution and excellent physical properties.
    Type: Application
    Filed: November 30, 2018
    Publication date: November 12, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Ho Young Lee, Jae Hoon Choe, Kyung Chang Seo, No Ma Kim
  • Patent number: 10787690
    Abstract: The present disclosure relates to a microorganism producing L-lysine, and a method for producing L-lysine using the same.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: September 29, 2020
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Hyo Jeong Byun, Hyung Joon Kim, Hyun Won Bae, Song-Gi Ryu, Hyang Choi, Jun Ok Moon, Kyung-Chang Lee, Yunjung Choi
  • Patent number: 10759102
    Abstract: Disclosed is an overmolding device of a cosmetic vessel including a cosmetic vessel made of glass, a cooling means for cooling the inside of the cosmetic vessel, and left and right outer molds and overmolding an outer shape of the cosmetic vessel with the cosmetic vessel and the cooling means interposed therebetween. According to the present invention, it is possible to prevent breakage of the vessel due to a molding temperature by cooling the inside of the cosmetic vessel by the cooling means at the time of overmolding of the cosmetic vessel such as a perfume bottle.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: September 1, 2020
    Assignee: SAMHWA P&T CO., LTD.
    Inventor: Kyung Chang Lee
  • Publication number: 20200223968
    Abstract: A modified conjugated diene-based polymer, and more particularly, a modified conjugated diene-based polymer having a unimodal molecular weight distribution curve measured by gel permeation chromatography (GPC), molecular weight distribution (PDI; MWD) of less than 1.7, and a Si content of 100 ppm or more based on weight, and including a repeating unit derived from an aromatic vinyl monomer in an amount of 30 wt % or more, and a rubber composition including the same.
    Type: Application
    Filed: December 8, 2017
    Publication date: July 16, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Hae Sung Sohn, Tae Chul Lee, He Seung Lee, No Ma Kim, Sun Keun Kim, Youk Reol Na, Kyung Chang Seo, Heung Yeal Choi
  • Patent number: 10676543
    Abstract: The present invention relates to a modified conjugated diene-based polymer, a method of preparing the same, and a rubber composition including the same, and more specifically provides a rubber composition which includes a repeating unit derived from a conjugated diene-based monomer having a trans-1,4 bond content of 80 wt % or more and a functional group derived from an alkoxysilane-based modifier, a method of preparing the same, and a rubber composition including the same.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: June 9, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Chang Seo, No Ma Kim, Sang Mi Lee, Yu Jin Kim
  • Patent number: 10629262
    Abstract: Provided is a method of operating a resistive memory device including a memory cell array. The method includes the resistive memory device performing a first write operation in response to an active command and a write command and performing a second write operation in response to a write active command and the write command. The first write operation includes a read data evaluation operation for latching data read from the memory cell array in response to the active command. The second write operation excludes the read data evaluation operation.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hye-Young Ryu, Kyung-Chang Ryoo, Yong-Jun Lee
  • Patent number: 10533062
    Abstract: The present invention provides a modified conjugated diene-based polymer which includes a functional group derived from a substituted styrene-based compound and a functional group derived from an aminosilane-based compound, a method for preparing the same, and a rubber composition including the same. The modified conjugated diene-based polymer includes the functional group derived from an aminosilane-based compound of Formula 1 and a functional group derived from a substituted styrene-based compound of Formula 2 at both terminals of a main chain, and thus, shows a high modification ratio. When applying the polymer in a rubber composition, excellent affinity with a filler may be shown, and as a result, agglomeration of a filler in the rubber composition may be prevented, and the dispersibility of the filler may be increased, thereby improving the processability of the rubber composition.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: January 14, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hae Sung Sohn, No Ma Kim, Jin Young Kim, Kyung Chang Seo, Sang Mi Lee
  • Patent number: 10527758
    Abstract: The present invention relates to a composition for forming a dye-type polarizer, which can be used to provide a dye-type polarizer showing excellent degree of polarization, heat resistance and dichroic ratio, and to a dye-type polarizer. The composition for forming a dye-type polarizer includes a curable anisotropic dye having a particular chemical structure; and an orientation auxiliary agent having a predetermined chemical structure.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: January 7, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Dong Woo Yoo, Sung-Ho Chun, Kyung Chang Seo, Hyeong Bin Jang
  • Publication number: 20190352683
    Abstract: The present disclosure relates to a microorganism producing L-lysine, and a method for producing L-lysine using the same.
    Type: Application
    Filed: September 19, 2017
    Publication date: November 21, 2019
    Inventors: Hyo Jeong BYUN, Hyung Joon KIM, Hyun Won BAE, Song-Gi RYU, Hyang CHOI, Jun Ok MOON, Kyung-Chang LEE, Yunjung CHOI
  • Publication number: 20190328110
    Abstract: Provided is a lipstick vessel, including: a cylindrical upper cover, the upper part of which is closed and the lower part thereof is opened; a shoulder of a cylindrical member, the upper and lower parts of which are opened, which is inserted into the lower opening of the upper cover; a lower cover of a cylindrical member, the upper part of which is opened and the lower part thereof is closed, and the upper opening portion thereof is inserted into the lower outer circumference of a circumferential protrusion protruding outward at a center of the shoulder; a rotating body of a cylindrical member, which is inserted into the lower cover to rotate integrally with the lower cover; a lipstick holding member for holding a lipstick at the upper part thereof, which is inserted into the center of the rotating body and moves up and down while rotating integrally with the rotating body; a guide member, of which the upper and lower parts are opened and the outer circumference is tapered, which is provided between the rotat
    Type: Application
    Filed: December 28, 2017
    Publication date: October 31, 2019
    Inventor: Kyung Chang LEE
  • Publication number: 20190307229
    Abstract: Provided is a lip gloss container, having: a cap of a cylindrical member, to a lower center of which a brush rod is fitted and at a lower inner circumference thereof a female screw is formed; a lower container of a cylindrical member, the upper portion of which is open and the bottom portion thereof is closed to contain cosmetic contents; a cylindrical tube having opened top and bottom portions, which is inserted through the upper opening of the lower container; and a shoulder member provided with a male screw which is coupled to the upper outer circumference of the cylindrical tube so as to be coupled with a female screw of the cap at the upper outer circumference. The container has such an effect that cosmetic contents introduced into a brush rod receiving member and cosmetic contents in the lower container are not mixed with each other so that cosmetics in the container are not contaminated by cosmetics in use.
    Type: Application
    Filed: July 20, 2017
    Publication date: October 10, 2019
    Inventor: Kyung Chang LEE