Patents by Inventor Chang Yub OH

Chang Yub OH 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).

  • BRANCHED-CHAIN AMINO ACID CRYSTALLIZATION METHOD CAPABLE OF SUSTAINABLY CYCLING AMMONIA
    Publication number: 20240132442
    Abstract: The present disclosure relates to a crystallization method of branched-chain amino acids capable of sustainably cycling ammonia, and branched-chain amino acid crystal produced by the method.
    Type: Application
    Filed: November 9, 2020
    Publication date: April 25, 2024
    Inventors: Jun Woo KIM, Shin Ae PARK, Ji Hyun SHIN, Jae Hun YU, Chang Yub OH, Min Jong KIM
  • METHOD FOR PREPARING DISODIUM 5'-GUANYLATE HEPTAHYDRATE CRYSTAL
    Publication number: 20240051984
    Abstract: Provided is a method of preparing disodium 5?-guanylate heptahydrate crystals from an aqueous 5?-guanylic acid solution.
    Type: Application
    Filed: September 21, 2020
    Publication date: February 15, 2024
    Inventors: Jung Hwa CHOI, Min Jong KIM, Chang Yub OH, Hwa Yeon LIM, Seok Hyun KANG, Yu Shin KIM, Ji Hun KANG, Il Chul KIM, Jae Hun YU
  • METHOD FOR SEPARATING DISODIUM 5'-INOSINATE
    Publication number: 20220340611
    Abstract: Provided is a method of separating 5?-inosinic acid from a microbial culture broth containing 5?-inosinic acid.
    Type: Application
    Filed: October 17, 2019
    Publication date: October 27, 2022
    Inventors: Jung Hwa CHOI, Min Jong KIM, Chang Yub OH, Hwa Yeon LIM, Jun Woo KIM, Jae Hun YU, Seok Hyun KANG, Yu Shin KIM, Il Chul KIM
  • ADHESIVE COMPOSITION AND PREPARATION METHOD THEREOF
    Publication number: 20210269683
    Abstract: Provided is an adhesive composition including lysine, alpha ketoglutaric acid, and water, wherein the lysine and the alpha ketoglutaric acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.
    Type: Application
    Filed: August 30, 2019
    Publication date: September 2, 2021
    Inventors: Ji Ho HWANG, Young Lyeol YANG, Chang Yub OH, Chang Suk LEE, Kyung Su NA, Jun Ok MOON
  • ADHESIVE COMPOSITION, AND PRODUCTION METHOD THEREOF
    Publication number: 20210269690
    Abstract: Provided is an adhesive composition including lysine, oxaloacetic acid, and water, wherein the lysine and the oxaloacetic acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.
    Type: Application
    Filed: August 30, 2019
    Publication date: September 2, 2021
    Inventors: Ji Ho HWANG, Young Lyeol YANG, Chang Yub OH, Chang Suk LEE, Kyung Su NA, Jun Ok MOON
  • Method of purifying 1,5-diaminopentane
    Patent number: 11098004
    Abstract: Provided is a method of refining 1,5-diaminopentane, the method including preparing a fermented broth including a carbonate salt of 1,5-diaminopentane; preparing a first composition by heating the fermented broth; preparing a second composition and an evaporation residue by evaporating the first composition; preparing a third composition by adding water to the evaporation residue and evaporating the water; and recovering 1,5-diaminopentane by distilling the second composition and the third composition.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: August 24, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Seok Hyun Kang, Won Sik Gwak, Chang Yub Oh, Jin Tae Hong
  • ADHESIVE COMPOSITION AND PREPARATION METHOD THEREFOR
    Publication number: 20210189196
    Abstract: Provided is an adhesive composition including lysine, malic acid, and water, wherein the lysine and the malic acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.
    Type: Application
    Filed: August 30, 2019
    Publication date: June 24, 2021
    Inventors: Ji Ho HWANG, Young Lyeol YANG, Chang Yub OH, Chang Suk LEE, Kyung Su NA, Jun Ok MOON
  • Binder composition, article, and method for manufacturing article
    Patent number: 10961390
    Abstract: Provided is a binder composition including polylysine and at least one reducing sugar or a derivative thereof, wherein the polylysine has, in a 1H NMR spectrum thereof, a first peak at 3.2 ppm to 3.4 ppm and a second peak at 3.8 ppm to 4.0 ppm, wherein a ratio (A:B) of an area of the first peak (A) to an area of the second peak (B) is 70:30 to 98:2.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: March 30, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Ji Eun Kim, Chang Suk Lee, Jun Ok Moon, Young Lyeol Yang, Chang Yub Oh, Hang Duk Roh, Do Yong Sim, Kwang Myung Cho, Jin Woo Choi
  • METHOD OF PURIFYING 1,5-DIAMINOPENTANE
    Publication number: 20200270198
    Abstract: Provided is a method of refining 1,5-diaminopentane, the method including preparing a fermented broth including a carbonate salt of 1,5-diaminopentane; preparing a first composition by heating the fermented broth; preparing a second composition and an evaporation residue by evaporating the first composition; preparing a third composition by adding water to the evaporation residue and evaporating the water; and recovering 1,5-diaminopentane by distilling the second composition and the third composition.
    Type: Application
    Filed: October 8, 2018
    Publication date: August 27, 2020
    Inventors: Seok Hyun KANG, Won Sik GWAK, Chang Yub OH, Jin Tae HONG
  • BINDER COMPOSITION, ARTICLE, AND METHOD FOR MANUFACTURING ARTICLE
    Publication number: 20200157344
    Abstract: Provided is a binder composition including polylysine and at least one reducing sugar or a derivative thereof, wherein the polylysine has, in a 1H NMR spectrum thereof, a first peak at 3.2 ppm to 3.4 ppm and a second peak at 3.8 ppm to 4.0 ppm, wherein a ratio (A:B) of an area of the first peak (A) to an area of the second peak (B) is 70:30 to 98:2.
    Type: Application
    Filed: April 13, 2018
    Publication date: May 21, 2020
    Inventors: Ji Eun KIM, Chang Suk LEE, Jun Ok MOON, Young Lyeol YANG, Chang Yub OH, Hang Duk ROH, Do Yong SIM, Kwang Myung CHO, Jin Woo CHOI
  • Method for purifying 1,4-diaminobutane
    Patent number: 10450262
    Abstract: A method for purifying 1,4-diaminobutane comprising the steps of: separating a second composition including carbonate salt of 1,4-diaminobutane from a first composition including carbonate salt of 1,4-diaminobutane by distillation; and removing carbonate from carbonate salt of 1,4-diaminobutane included in the second composition to recover 1,4-diaminobutane.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: October 22, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Won Sik Gwak, Hong Xian Li, Hyun Ju Won, Hyo Hyoung Lee, Kyung Su Na, Su Jin Park, Young Lyeol Yang, Hye Won Um, Chang Yub Oh, Kyoung Min Lee
  • METHOD FOR PURIFYING 1,4-DIAMINOBUTANE
    Publication number: 20180127351
    Abstract: A method for purifying 1,4-diaminobutane comprising the steps of: separating a second composition including carbonate salt of 1,4-diaminobutane from a first composition including carbonate salt of 1,4-diaminobutane by distillation; and removing carbonate from carbonate salt of 1,4-diaminobutane included in the second composition to recover 1,4-diaminobutane.
    Type: Application
    Filed: May 4, 2016
    Publication date: May 10, 2018
    Inventors: Won Sik GWAK, Hong Xian LI, Hyun Ju WON, Hyo Hyoung LEE, Kyung Su NA, Su Jin PARK, Young Lyeol YANG, Hye Won UM, Chang Yub OH, Kyoung Min LEE