Patents by Inventor Young Lyeol Yang

Young Lyeol Yang 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: 20200017730
    Abstract: Provided is an adhesive composition including lysine, itaconic acid, and water, wherein the lysine and the itaconic acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, itaconic acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80° C. or less, wherein amounts of the lysine, the itaconic acid, and the water are adjusted such that precipitates of the lysine and the itaconic acid do not form in the adhesive composition.
    Type: Application
    Filed: March 21, 2018
    Publication date: January 16, 2020
    Inventors: Ji Ho HWANG, Jun Ok MOON, Young Lyeol YANG, Chang Suk LEE, Sang Gwon MOON, Su Jin CHOI
  • Publication number: 20200002686
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Application
    Filed: July 10, 2019
    Publication date: January 2, 2020
    Inventors: Su Jin PARK, Young Lyeol YANG, Hye Won UM, Hong Xian LI, Kyoung Min LEE, Baek Seok LEE, Hyo Hyoung LEE, Hee Kyoung JUNG
  • 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
  • Patent number: 10351839
    Abstract: The present invention relates to: a novel lysine decarboxylase; a microorganism transformed with a gene coding for the activity concerned; and a method for producing cadaverine by using the same.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: July 16, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Jae Hun Lee, Young Lyeol Yang, Bo Seong Park, Yean Hee Park, Jin Seung Park, Byeo Ri An, In Seok Oh, Na Hum Lee
  • Patent number: 10316339
    Abstract: The present invention relates to a polypeptide having a resistant to feedback inhibition by methionine and an activity of homoserine O-succinyltransferase, a O-succinyl homoserine-producing microorganism expressing the polypeptide, and a method for producing O-succinyl homoserine using the same.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: June 11, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Su Jin Choi, So Young Kim, Chang Il Seo, Yong Uk Shin, Young Lyeol Yang, Hye Won Um, Hye Min Park, Sung Hoo Jhon, Byung Hoon Jung
  • Publication number: 20190136274
    Abstract: The present invention relates to a recombinant microorganism capable of producing putrescine, in which the microorganism is modified to have enhanced NCgl2522 activity, thereby producing putrescine in a high yield, and a method for producing putrescine using the microorganism.
    Type: Application
    Filed: January 11, 2019
    Publication date: May 9, 2019
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min LEE, Hee Kyoung JUNG, Young Lyeol YANG, Hye Won UM, Chang Gyeom KIM, Hong Xian LI, Su Jin PARK, Jong Hyun YOON, Baek Seok LEE, Sun Young LEE
  • Patent number: 10273491
    Abstract: Provided are a novel promoter and a method of producing a target product using the same.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: April 30, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Seung Bin Lee, Hyun Ae Bae, Ji Hye Lee, Young Lyeol Yang
  • Publication number: 20190119709
    Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 55% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.
    Type: Application
    Filed: January 4, 2019
    Publication date: April 25, 2019
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Su Jin Park, Hee Kyoung Jung, Young Lyeol Yang, Hong Xian Li, Hye Won Um
  • Patent number: 10227618
    Abstract: The present application relates to a microorganism of the genus Saccharomyces producing lactic acid and a method for preparing lactic acid using the same. More specifically, the present application relates to a microorganism of the genus Saccharomyces producing lactic acid, wherein the microorganism is modified to weaken or inactivate the activity of pyruvate decarboxylase (PDC) compared to its endogenous activity, to introduce the activity of ATP-citrate lyase (ACL), and to enhance pyruvate biosynthetic pathway compared to its endogenous biosynthetic pathway, and a method for producing lactic acid using the microorganism.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: March 12, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Seon Hye Kim, Tae Hee Lee, Young Lyeol Yang, Eun Bin Yang, Kyungsu Na, Cheol Woong Ha
  • Patent number: 10221433
    Abstract: The present invention relates to a recombinant microorganism capable of producing putrescine, in which the microorganism is modified to have enhanced NCgl2522 activity, thereby producing putrescine in a high yield, and a method for producing putrescine using the microorganism.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: March 5, 2019
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min Lee, Hee Kyoung Jung, Young Lyeol Yang, Hye Won Um, Chang Gyeom Kim, Hong Xian Li, Su Jin Park, Jong Hyun Yoon, Baek Seok Lee, Sun Young Lee
  • Publication number: 20190032030
    Abstract: Provided are a novel separated polypeptide having transaminase activity, a polynucleotide encoding the polypeptide, a microorganism including the polynucleotide, and a method of deaminating an amino compound by using the polypeptide or the microorganism.
    Type: Application
    Filed: June 3, 2016
    Publication date: January 31, 2019
    Inventors: Jae Hun LEE, Young Lyeol YANG, In Seok OH
  • Patent number: 10155967
    Abstract: The present invention relates to Saccharomyces sp. capable of producing lactic acid with a decreased activity of pyruvate decarboxylase (PDC) and increased activities of aldehyde dehydrogenase (ALD) and acetyl-CoA synthetase (ACS), and a method of producing lactic acid from the culture medium obtained by culturing the microorganism.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: December 18, 2018
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Eun Bin Yang, Tae Hee Lee, Seon Hye Kim, Gyuhyeon Song, Cheol Woong Ha, Kyungsu Na, Young Lyeol Yang, Min Sun Kang, Hyo Hyoung Lee
  • Patent number: 10138500
    Abstract: The present invention relates to a method for preparing a D-lactic acid-producing strain modified to inhibit L-lactate dehydrogenase (L-LDH) activity and to introduce D-lactate dehydrogenase (D-LDH) activity in an L-lactic acid-producing strain, a mutated D-lactic acid-producing strain prepared by the above method, and a method for producing D-lactic acid including the steps of culturing the strain and recovering D-lactic acid from the culture media.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: November 27, 2018
    Assignee: CJ CHEIJEDANG CORPORATION
    Inventors: Eun Bin Yang, Tae Hee Lee, Seon Hye Kim, Young Lyeol Yang, Hong Xian Li
  • Publication number: 20180320206
    Abstract: The present application relates to a microorganism of the genus Saccharomyces producing lactic acid and a method for preparing lactic acid using the same. More specifically, the present application relates to a microorganism of the genus Saccharomyces producing lactic acid, wherein the microorganism is modified to weaken or inactivate the activity of pyruvate decarboxylase (PDC) compared to its endogenous activity, to introduce the activity of ATP-citrate lyase (ACL), and to enhance pyruvate biosynthetic pathway compared to its endogenous biosynthetic pathway, and a method for producing lactic acid using the microorganism.
    Type: Application
    Filed: June 10, 2016
    Publication date: November 8, 2018
    Inventors: Seon Hye KIM, Tae Hee LEE, Young Lyeol YANG, Eun Bin YANG, Kyungsu NA, Cheol Woong HA
  • Patent number: 10100026
    Abstract: The present disclosure relates to the preparation of a useful compound, which can be used as an intermediate for preparing an important compound in the industrial field from a homoserine-based compound, and provides a process for treating a homoserine-based compound, capable of mass-producing a useful compound from a homoserine-based compound in a simple manner with excellent efficiency.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: October 16, 2018
    Assignees: CJ Cheiljedang Corporation, Korea Research Institute of Chemical Technology
    Inventors: Young Lyeol Yang, Byung Sik Kim, Jeong Hyun Kim, Jung Ho Lee, Hyun Kwan Shin, Ju Nam Kim, Kyung Ho Cho
  • Publication number: 20180273992
    Abstract: The present invention relates to a microorganism for producing diamine, in which activity of a protein having an amino acid sequence of SEQ ID NO: 6 or an amino acid sequence having 42% or higher sequence homology with SEQ ID NO: 6 is introduced or enhanced, and a method of producing diamine using the same.
    Type: Application
    Filed: June 5, 2018
    Publication date: September 27, 2018
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Kyoung Min LEE, Su Jin PARK, Hee Kyoung JUNG, Young Lyeol YANG, Hong Xian LI, Hye Won UM
  • Publication number: 20180208909
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Application
    Filed: July 19, 2016
    Publication date: July 26, 2018
    Applicant: CJ Cheijedang Corporation
    Inventors: Su Jin PARK, Young Lyeol YANG, Hye Won UM, Hong Xian LI, Kyoung Min LEE, Baek Seok LEE, Hyo Hyoung LEE, Hee Kyoung JUNG
  • Publication number: 20180201960
    Abstract: The present invention relates to Saccharomyces sp. capable of producing lactic acid with a decreased activity of pyruvate decarboxylase (PDC) and increased activities of aldehyde dehydrogenase (ALD) and acetyl-CoA synthetase (ACS), and a method of producing lactic acid from the culture medium obtained by culturing the microorganism.
    Type: Application
    Filed: March 12, 2018
    Publication date: July 19, 2018
    Inventors: Eun Bin Yang, Tae Hee Lee, Seon Hye Kim, Gyu Hyeon Song, Cheol Woong Ha, Kyung Su Na, Young Lyeol Yang, Min Sun Kang, Hyo Hyoung Lee
  • Publication number: 20180187222
    Abstract: The present invention relates to a recombinant microorganism for producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same. Specifically, the present invention relates to a microorganism of the genus Corynebacterium capable of producing putrescine or ornithine, in which an activity of the transcriptional regulator of sugar metabolism (SugR) is weakened, an activity of the citrate synthase (GltA) is enhanced, or both are applied; and a method for producing putrescine or ornithine using the same.
    Type: Application
    Filed: March 29, 2016
    Publication date: July 5, 2018
    Inventors: Hee Kyoung JUNG, Hye Won UM, Hong Xian LI, Su Jin PARK, Young Lyeol YANG, Kyoung Min LEE, Hyo Hyoung LEE
  • Publication number: 20180171370
    Abstract: The present invention relates to Saccharomyces sp. capable of producing lactic acid with a decreased activity of pyruvate decarboxylase (PDC) and increased activities of aldehyde dehydrogenase (ALD) and acetyl-CoA synthetase (ACS), and a method of producing lactic acid from the culture medium obtained by culturing the microorganism.
    Type: Application
    Filed: June 12, 2015
    Publication date: June 21, 2018
    Inventors: Eun Bin YANG, Tae Hee LEE, Seon Hye KIM, Gyuhyeon SONG, Cheol Woong HA, Kyungsu NA, Young Lyeol YANG, Min Sun KANG, Hyo Hyoung LEE