Patents by Inventor Sung-Jong Seo

Sung-Jong Seo 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: 10988582
    Abstract: The present invention relates to a super absorbent polymer exhibiting more improved liquid permeability while maintaining excellent absorption performance, and a method for producing the same. The super absorbent polymer comprises: a base polymer powder comprising a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second cross-linked polymer in which the first crosslinked polymer is further cross-linked through an alkylene carbonate having two to five carbon atoms. The super absorbent polymer satisfies predetermined physical properties.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: April 27, 2021
    Inventors: Hyemin Lee, Sung Jong Seo, Hyung Ki Yoon
  • Patent number: 10829630
    Abstract: The present invention relates to a super absorbent polymer which maintains excellent absorption performance and retains physical properties even after being physically damaged by an external force. The super absorbent polymer comprises: a base polymer powder including a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface cross-linked layer formed on the base polymer powder and including a second cross-linked polymer in which the first cross-linked polymer is further cross-linked via an alkylene carbonate having 2 to 5 carbon atoms, wherein the super absorbent polymer satisfies predetermined physical properties.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: November 10, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sung Jong Seo, Chang Sun Han, Hyemin Lee, Hyung Ki Yoon
  • Patent number: 10773237
    Abstract: The present invention relates to a method for preparing a super absorbent polymer exhibiting improved liquid permeability, gel strength, absorption rate and the like while maintaining excellent absorption performance. The method for preparing the super absorbent polymer comprises the steps of: carrying out a crosslinking polymerization of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups in the presence of an internal crosslinking agent to form a hydrogel polymer including a cross-linked polymer; drying, pulverizing, and classifying the hydrogel polymer to form a base polymer powder; and surface-crosslinking the base polymer powder by using a surface crosslinking liquid containing a surface crosslinking agent of an alkylene carbonate having 2 to 5 carbon atoms, in the presence of hydrophobic silica particles having a water-contact angle of more than 10° and 150° or less and hydrophilic silica particles having a water-contact angle of 10° or less.
    Type: Grant
    Filed: January 3, 2017
    Date of Patent: September 15, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hyung Ki Yoon, Dae Woo Nam, Hyemin Lee, Chang Sun Han, Sung Jong Seo
  • Publication number: 20190218433
    Abstract: An adhesive composition characterized in that the kisstack, which is defined as the force measured when a sheet coated with the adhesive composition is instantaneously peeled off after being attached, is about 6 N/inch or higher. The composition not only has excellent loop tack but also exhibits high kisstack characteristics, and thus can be widely used for various substrates.
    Type: Application
    Filed: December 21, 2017
    Publication date: July 18, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Kum Hyoung Lee, Dong Jo Ryu, Jung Sup Han, Sung Jong Seo, Jung Eun Yeo, Hyun Ju Cho
  • Patent number: 10209915
    Abstract: An electronic device is provided. The electronic device includes at least one first memory being nonvolatile and a processor configured to read a file from the first memory or to write a file on the first memory. The first memory stores instructions, the instructions, when executed, causing the processor to provide a software layer structure including a first virtual file system layer configured to interface with an application program layer, a compressed file system layer configured to compress at least a part of data of the written file or to decompress at least a part of data of the read file, a second virtual file system layer configured to manage the written or read file, and a first file system layer configured to read at least a part of the file from the first memory or to write at least a part of the file on the first memory.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: February 19, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Hwan Yun, Woo Joong Lee, Sei Jin Kim, Min Jung Kim, Jong Min Kim, Sung Jong Seo, Jun Beom Yeom, Sang Woo Lee, Jong Woo Hong
  • Publication number: 20180318793
    Abstract: The present invention relates to a method for preparing a super absorbent polymer exhibiting improved liquid permeability, gel strength, absorption rate and the like while maintaining excellent absorption performance. The method for preparing the super absorbent polymer comprises the steps of: carrying out a crosslinking polymerization of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups in the presence of an internal crosslinking agent to form a hydrogel polymer including a cross-linked polymer; drying, pulverizing, and classifying the hydrogel polymer to form a base polymer powder; and surface-crosslinking the base polymer powder by using a surface crosslinking liquid containing a surface crosslinking agent of an alkylene carbonate having 2 to 5 carbon atoms, in the presence of hydrophobic silica particles having a water-contact angle of more than 10° and 150° or less and hydrophilic silica particles having a water-contact angle of 10° or less.
    Type: Application
    Filed: January 3, 2017
    Publication date: November 8, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Hyung Ki Yoon, Dae Woo Nam, Hyemin Lee, Chang Sun Han, Sung Jong Seo
  • Publication number: 20180312645
    Abstract: The present invention relates to a super absorbent polymer exhibiting more improved liquid permeability while maintaining excellent absorption performance, and a method for producing the same. The super absorbent polymer comprises: a base polymer powder comprising a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface crosslinked layer formed on the base polymer powder and including a second cross-linked polymer in which the first crosslinked polymer is further cross-linked through an alkylene carbonate having two to five carbon atoms. The super absorbent polymer satisfies predetermined physical properties.
    Type: Application
    Filed: January 3, 2017
    Publication date: November 1, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Hyemin Lee, Sung Jong Seo, Hyung Ki Yoon
  • Publication number: 20180312680
    Abstract: The present invention relates to a super absorbent polymer which maintains excellent absorption performance and retains physical properties even after being physically damaged by an external force.
    Type: Application
    Filed: January 3, 2017
    Publication date: November 1, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Sung Jong Seo, Chang Sun Han, Hyemin Lee, Hyung Ki Yoon
  • Patent number: 9976003
    Abstract: The present invention relates to a method for preparing a super absorbent polymer. The method for preparing a super absorbent polymer according to the present invention can provide a super absorbent resin exhibiting fast absorption rate and high saline flow conductivity while having excellent absorption properties such as a centrifuge retention capacity and an absorbency under pressure, by using the polycarboxylic acid-based copolymer under pulverization of the hydrous gel phase polymer.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: May 22, 2018
    Assignee: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Tae Bin Ahn, Chang Sun Han, Sung Jong Seo
  • Publication number: 20170029576
    Abstract: The present invention relates to a method for preparing a super absorbent polymer. The method for preparing a super absorbent polymer according to the present invention can provide a super absorbent resin exhibiting fast absorption rate and high saline flow conductivity while having excellent absorption properties such as a centrifuge retention capacity and an absorbency under pressure, by using the polycarboxylic acid-based copolymer under pulverization of the hydrous gel phase polymer.
    Type: Application
    Filed: November 9, 2015
    Publication date: February 2, 2017
    Applicant: LG Chem, Ltd.
    Inventors: Yong Hun Lee, Tae Bin Ahn, Chang Sun Han, Sung Jong Seo
  • Publication number: 20160306583
    Abstract: An electronic device is provided. The electronic device includes at least one first memory being nonvolatile and a processor configured to read a file from the first memory or to write a file on the first memory. The first memory stores instructions, the instructions, when executed, causing the processor to provide a software layer structure including a first virtual file system layer configured to interface with an application program layer, a compressed file system layer configured to compress at least a part of data of the written file or to decompress at least a part of data of the read file, a second virtual file system layer configured to manage the written or read file, and a first file system layer configured to read at least a part of the file from the first memory or to write at least a part of the file on the first memory.
    Type: Application
    Filed: April 14, 2016
    Publication date: October 20, 2016
    Inventors: Sung Hwan Yun, Woo Joong Lee, Sei Jin Kim, Min Jung Kim, Jong Min Kim, Sung Jong Seo, Jun Beom Yeom, Sang Woo Lee, Jong Woo Hong
  • Patent number: 9436776
    Abstract: A method of communicating with a web server for web browsing, and an apparatus and system to perform the method, is provided. The method includes extracting resource information from script included in web page information, transmitting the resource information to the web server to request a resource corresponding to the resource information, and storing the resource.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: September 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jong Seo, Sung-Hak Lee, Dong-Woo Im, Hyo-Jung Song, Seung-Mo Cho
  • Patent number: 9354935
    Abstract: A work scheduling technology in a symmetric multi-processing (SMP) environment is provided. A work scheduling function for a SMP environment is implemented in a work processing apparatus, thereby reducing the scheduling overhead, and enhancing the efficiency in use of CPU resources and improving the CPU performance.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: May 31, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hak Lee, Dong-Woo Im, Sung-Jong Seo, Hyo-Jung Song, Seung-Mo Cho
  • Patent number: 8806498
    Abstract: A scheduling apparatus and method allocate a plurality of works to a plurality of processing cores by transferring a work having no dependency on the execution completion of another work from a dependency queue to a runnable queue, transferring the work from the runnable queue to an idle one of the processing cores for execution, transferring the work executed by the one processing core to a finish queue, where the work becomes designated a finished work, and transferring a work within the dependency queue, having a dependency upon the execution completion of the finished work, to the runnable queue.
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: August 12, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jong Seo, Sung-Hak Lee, Dong-Woo Im, Hyo-Jung Song, Seung-Mo Cho
  • Patent number: 8713427
    Abstract: Provided are an apparatus and method for extracting cascading style sheet (CSS) rules. The apparatus includes a generation unit configured to generate an identification list that includes identification symbols that correspond to one or more selectors, for each document object model (DOM) node. The apparatus also includes a rule extraction unit configured to select a target DOM node and extract one or more CSS rules that are applicable to the target DOM node based on identification symbols that are included in an identification list that corresponds to the target DOM node.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: April 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Woo Im, Seung-Mo Cho, Sung-Hak Lee, Soon-Cheol Hong, Sung-Jong Seo
  • Publication number: 20120124464
    Abstract: Provided are an apparatus and method for extracting cascading style sheet (CSS) rules. The apparatus includes a generation unit configured to generate an identification list that includes identification symbols that correspond to one or more selectors, for each document object model (DOM) node. The apparatus also includes a rule extraction unit configured to select a target DOM node and extract one or more CSS rules that are applicable to the target DOM node based on identification symbols that are included in an identification list that corresponds to the target DOM node.
    Type: Application
    Filed: June 27, 2011
    Publication date: May 17, 2012
    Inventors: Dong-Woo Im, Seung-Mo Cho, Sung-Hak Lee, Soon-Cheol Hong, Sung-Jong Seo
  • Patent number: 8176103
    Abstract: Disclosed is a file accessing method of a file system which manages data by a block unit of a fixed size having an index and provides information associated with a file via a plurality of entries having an index and linked information of each of blocks forming the file. The file accessing method includes providing a hint information area to each of the plurality of entries so as to record an access mode or continuous allocation information for the file, allocating the plurality of blocks to record contents of the file, and recording the access mode in each of the hint information areas of entries corresponding to a first chain group of the allocated blocks and the continuous allocation information in the hint information area of at least one entry corresponding to a second chain group of the allocated blocks.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: May 8, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jong Seo, Seung-woo Ryu, Il-hoon Shin
  • Publication number: 20120059869
    Abstract: A method of communicating with a web server for web browsing, and an apparatus and system to perform the method, is provided. The method includes extracting resource information from script included in web page information, transmitting the resource information to the web server to request a resource corresponding to the resource information, and storing the resource.
    Type: Application
    Filed: June 27, 2011
    Publication date: March 8, 2012
    Inventors: Sung-Jong Seo, Sung-Hak Lee, Dong-Woo Im, Hyo-Jung Song, Seung-Mo Cho
  • Publication number: 20120047513
    Abstract: A work scheduling technology in a symmetric multi-processing (SMP) environment is provided. A work scheduling function for a SMP environment is implemented in a work processing apparatus, thereby reducing the scheduling overhead, and enhancing the efficiency in use of CPU resources and improving the CPU performance.
    Type: Application
    Filed: March 21, 2011
    Publication date: February 23, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Hak Lee, Dong-Woo Im, Sung-Jong Seo, Hyo-Jung Song, Seung-Mo Cho
  • Publication number: 20120047514
    Abstract: A scheduling technique for use in a multicore system, which can be shared by a plurality of applications, is provided. According to the scheduling technique, it is possible to perform dependency resolving and a runnable work search in parallel with the execution of cores.
    Type: Application
    Filed: February 9, 2011
    Publication date: February 23, 2012
    Inventors: Sung-Jong SEO, Sung-Hak Lee, Dong-Woo Im, Hyo-Jung Song, Seung-Mo Cho