Patents by Inventor Dae Chul Kim

Dae Chul Kim 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: 20190029274
    Abstract: The present invention relates to a method of producing frozen dough for bread containing a filling and a method of producing cream-filled bread by employing the frozen dough. More particularly, the present invention relates to a method of producing cream-filled bread, which can produce soft textured bread even by employing frozen/refrigerated dough, and can maintain soft bread texture even after a long period of time.
    Type: Application
    Filed: January 26, 2017
    Publication date: January 31, 2019
    Inventors: Jung Ho WOO, Hong Shin JEON, Dae Chul KIM, Young Kyu LEE
  • Publication number: 20180162209
    Abstract: A variable belt molding structure for a vehicle door, may include a skin disposed in a fixed quarter window and a rear door window formed in a rear door of a vehicle to have a width that is varied in a longitudinal direction; a carrier portion internally coupled to the skin to maintain air-tightness by being in contact with a window glass of the rear door window; a clip mounted to be internally coupled to the carrier portion and mounted in a door panel of the rear door; and a mounting clip coupled to a fixed quarter window bracket attached to the fixed quarter window.
    Type: Application
    Filed: July 27, 2017
    Publication date: June 14, 2018
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dae Chul KIM, Eui Chan CHO
  • Patent number: 9925525
    Abstract: The present invention relates to a bismuth molybdate-based composite oxide catalyst having a microporous zeolite coating layer on the surface thereof and thus having high selectivity for 1,3-butadiene, a method of preparing the same, and a method of preparing 1,3-butadiene using the same. The catalyst has a microporous zeolite coating layer, and thus enables only gaseous products (light) to selectively pass through the zeolite coating layer, improving selectivity for 1,3-butadiene.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: March 27, 2018
    Assignee: LG CHEM, LTD.
    Inventors: Dae Heung Choi, Dong Hyun Ko, Jun Han Kang, Kyong Yong Cha, Dae Chul Kim, Joo Hyuck Lee, Hyun Seok Nam, Myung Ji Suh, Ye Seul Hwang, Jun Kyu Han, Sang Jin Han
  • Patent number: 9782765
    Abstract: Disclosed are a mesoporous composite oxide catalyst, a method for preparing the same and a method for synthesizing 1,3-butadidne using the same. The surface area is increased by introducing certain porous silica into preparation of a catalyst for synthesizing 1,3-butadiene, thereby improving a conversion ratio of normal-butene, and selectivity and yield of 1,3-butadiene, and providing economic efficiency from the viewpoint of decreasing an amount of used metal and reducing catalyst production cost.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: October 10, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Myung Ji Suh, Dong Hyun Ko, Kyong Yong Cha, Jun Han Kang, Dae Chul Kim, Hyun Seok Nam, Dae Heung Choi
  • Patent number: 9724676
    Abstract: Disclosed is a multi-component bismuth molybdate catalyst for production of butadiene which comprises bismuth, molybdenum and at least one metal having a monovalent, divalent or trivalent cation, and further comprises cesium and potassium and thus has advantages of improving conversion ratio, yield and selectivity of butadiene and of providing stability of process operation.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: August 8, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Dae Heung Choi, Dong Hyun Ko, Jun Han Kang, Kyong Yong Cha, Dae Chul Kim, Hyun Seok Nam, Myung Ji Suh
  • Patent number: 9592496
    Abstract: Disclosed are a catalyst composition for oxidative dehydrogenation and a method of preparing the same. More particularly, disclosed is a catalyst composition comprising a multi-ingredient-based metal oxide catalyst and a mixed metal hydroxide. The catalyst composition and the method of preparing the same according to the present disclosure may prevent loss occurring in a filling process due to superior mechanical durability and wear according to long-term use, may inhibit polymer formation and carbon deposition during reaction, and may provide a superior conversion rate and superior selectivity.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: March 14, 2017
    Assignee: LG CHEM, LTD.
    Inventors: Dae Chul Kim, Dong Hyun Ko, Sung June Cho, Jun Han Kang, Kyong Yong Cha, Joo Hyuck Lee, Hyun Seok Nam, Dae Heung Choi, Myung Ji Suh, Ye Seul Hwang, Jun Kyu Han, Sang Jin Han
  • Patent number: 9492813
    Abstract: Disclosed is a method for regenerating a hydrogenation catalyst. More specifically, disclosed is a method for regenerating a hydrogenation catalyst poisoned during hydrogenation of a hydroformylation product for preparation of alcohol by stopping hydrogenation in a hydrogenation stationary phase reactor in which the hydrogenation catalyst is set and flowing hydrogen gas under a high temperature normal pressure. The method has an effect in that the poisoned hydrogenation catalyst can be efficiently recovered through a simple process.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: November 15, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Dae Chul Kim, Sung Shik Eom, Dong-Hyun Ko, Moo Ho Hong, O Hak Kwon
  • Publication number: 20160256855
    Abstract: The present invention relates to a bismuth molybdate-based composite oxide catalyst having a microporous zeolite coating layer on the surface thereof and thus having high selectivity for 1,3-butadiene, a method of preparing the same, and a method of preparing 1,3-butadiene using the same. The catalyst has a microporous zeolite coating layer, and thus enables only gaseous products (light) to selectively pass through the zeolite coating layer, improving selectivity for 1,3-butadiene.
    Type: Application
    Filed: November 18, 2014
    Publication date: September 8, 2016
    Applicant: LG CHEM, Ltd.
    Inventors: Dae Heung CHOI, Dong Hyun KO, Jun Han KANG, Kyong Yong CHA, Dae Chul KIM, Joo Hyuck LEE, Hyun Seok NAM, Myung Ji SUH, Ye Seul HWANG, Jun Kyu HAN, Sang Jin HAN
  • Patent number: 9270867
    Abstract: An image compensating apparatus includes an input unit to receive input of an photo image, a Gaussian filtering unit to perform Gaussian filtering on the photo image, a division-map generating unit to convert the photo image on which the Gaussian filtering is performed into a color space including a plurality of color components and then generating a chromaticity division-map based on a color coordinate value in the color space, a calculating unit to calculate average chromaticity of each respective region by using the chromaticity division-map, and a compensating unit to compensate chromaticity of each respective region of the photo image by using the average chromaticity of each respective region. Accordingly, a faded image input to the input unit may effectively be compensated.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: February 23, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyeong-man Kim, Hyun-cheol Kim, Min-ki Cho, Hyun-soo Oh, Eun-ah Song, Yeong-ho Ha, Dae-chul Kim, Wang-jun Kyung
  • Publication number: 20150375212
    Abstract: Disclosed is a multi-component bismuth molybdate catalyst for production of butadiene which comprises bismuth, molybdenum and at least one metal having a monovalent, divalent or trivalent cation, and further comprises cesium and potassium and thus has advantages of improving conversion ratio, yield and selectivity of butadiene and of providing stability of process operation.
    Type: Application
    Filed: May 2, 2014
    Publication date: December 31, 2015
    Inventors: Dae Heung CHOI, Dong Hyun KO, Jun Han KANG, Kyong Yong CHA, Dae Chul KIM, Hyun Seok NAM, Myung Ji SUH
  • Publication number: 20150352534
    Abstract: Disclosed are a catalyst composition for oxidative dehydrogenation and a method of preparing the same. More particularly, disclosed is a catalyst composition comprising a multi-ingredient-based metal oxide catalyst and a mixed metal hydroxide. The catalyst composition and the method of preparing the same according to the present disclosure may prevent loss occurring in a filling process due to superior mechanical durability and wear according to long-term use, may inhibit polymer formation and carbon deposition during reaction, and may provide a superior conversion rate and superior selectivity.
    Type: Application
    Filed: November 14, 2014
    Publication date: December 10, 2015
    Inventors: Dae Chul KIM, Dong Hyun KO, Sung June CHO, Ju Han KANG, Kyong Yong CHA, Joo Hyuck LEE, Hyun Seok NAM, Dae Heung CHOI, Myung Ji SUH, Ye Seul HWANG, Jun Kyu HAN, Sang Jin HAN
  • Patent number: 9199895
    Abstract: Disclosed is a method for producing 1,3-butadiene through oxidative dehydrogenation of normal-butene using a parallel reactor in which catalysts are charged into fixed bed reactors and are not physically mixed. More specifically, disclosed is a method for efficiently producing 1,3-butadiene through oxidative dehydrogenation of normal-butene using the parallel reactor containing multi-component bismuth molybdate-based catalysts exhibiting different activities to oxidative dehydrogenation for normal-butene isomers (1-butene, trans-2-butene and cis-2-butene), and butene separated from a C4 mixture containing normal-butene and normal-butane, as a reactant.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: December 1, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Kyong-Yong Cha, Dong-Hyun Ko, Dae-Chul Kim, Hyun-Seok Nam, Dae-Heung Choi
  • Patent number: 9181156
    Abstract: The present invention relates to an apparatus for producing alcohols from olefins, comprising: a hydroformylation reactor wherein aldehydes are produced from olefins; a catalyst/aldehydes separator; a hydrogenation reactor wherein the aldehydes are hydrogenated to produce alcohols; and a distillation column. The hydroformylation reactor is equipped with a distributor plate, which has a broad contact surface for providing sufficient reaction area for reactants such as olefins and synthesis gas, and allows the reaction mixture to circulate and mix sufficiently, which contribute to excellent efficiency in terms of production of aldehydes. In addition, the hydrogenation reactor suppresses sub-reactions to improve the production yield of alcohols.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: November 10, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Sung-Shik Eom, Yong-Jin Choe, Chan-Hong Lee, Moo-Ho Hong, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi
  • Publication number: 20150151292
    Abstract: Disclosed are a mesoporous composite oxide catalyst, a method for preparing the same and a method for synthesizing 1,3-butadidne using the same. The surface area is increased by introducing certain porous silica into preparation of a catalyst for synthesizing 1,3-butadiene, thereby improving a conversion ratio of normal-butene, and selectivity and yield of 1,3-butadiene, and providing economic efficiency from the viewpoint of decreasing an amount of used metal and reducing catalyst production cost.
    Type: Application
    Filed: May 2, 2014
    Publication date: June 4, 2015
    Applicant: LG Chem, Ltd.
    Inventors: Myung Ji Suh, Dong Hyun Ko, Kyong Yong Cha, Jun Han Kang, Dae Chul Kim, Hyun Seok Nam, Dae Heung Choi
  • Patent number: 9029608
    Abstract: The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: May 12, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Moo-Ho Hong, Sung-Shik Eom, Yong-Jin Choe, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi
  • Publication number: 20140350307
    Abstract: Disclosed are an apparatus and method for preparing alcohol from olefin. A reactor for hydroformylating olefin comprises a loop reactor for reducing high-boiling point components, a post-treatment device for separating aldehyde comprises a catalyst/aldehyde separator and a divided wall column (DWC) for removing remaining high-boiling point components, and a post-treatment device for separating alcohol comprises a divided wall column (DWC) for removing remaining high-boiling point components. The apparatus and method for preparing alcohol reduce production of high-boiling point components in the preparation of alcohols and efficiently remove remaining high-boiling point components, thus obtaining alcohol containing no high-boiling point components.
    Type: Application
    Filed: September 26, 2013
    Publication date: November 27, 2014
    Inventors: Sung Shik Eom, Dong Hyun Ko, Dae Chul Kim
  • Patent number: 8884071
    Abstract: Disclosed is a hydroformylation method having improved catalyst stability in a reaction. Advantageously, provided is a hydroformylation method in which a specific ?,?-unsaturated carbonyl compound is incorporated during a hydroformylation reaction to prevent alkyl phosphite decomposed from a phosphite ligand from acting as a catalyst poison, thereby improving a yield of reaction and inhibiting decomposition of ligand and catalyst.
    Type: Grant
    Filed: June 4, 2012
    Date of Patent: November 11, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Sung-Shik Eom, Moo-Ho Hong, O-Hak Kwon, Jae-Hui Choi, Dae-Chul Kim
  • Patent number: 8849025
    Abstract: A color conversion method includes determining a race by recognizing a skin region in an input image, selecting a preferred skin color to apply to the skin region based on a plurality of preferred skin color information preset per race, and correcting a color of the skin region using the selected preferred skin color. Additionally, a color conversation apparatus includes a control unit to determine a race by recognizing a skin region in an input image input, and to select a preferred skin color to apply to the skin region, based on the plurality of the preferred skin color information stored in a storage unit, and a compensation unit to correct a color of the skin region using the preferred skin color selected by the control unit. Hence, the skin color per race can be adequately converted to the color which can satisfy the user.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: September 30, 2014
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Kyeong-man Kim, Hyun-cheol Kim, In-ho Park, Jae-min Shin, Heui-keun Cho, Yeong-ho Ha, Dae-chul Kim, Wang-jun Kyung
  • Publication number: 20140249333
    Abstract: The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced.
    Type: Application
    Filed: May 12, 2014
    Publication date: September 4, 2014
    Applicant: LG CHEM, LTD.
    Inventors: Dong-Hyun KO, Moo-Ho HONG, Sung-Shik EOM, Yong-Jin CHOE, O-Hak KWON, Dae-Chul KIM, Jae-Hui CHOI
  • Patent number: 8791304
    Abstract: The present invention relates to an apparatus for coproducting iso-type reaction product and alcohol from olefin, and a method for coproducting using the apparatus, in which the hydroformylation reactor provides a sufficient reaction area due to the broad contact surface area between the olefin and the synthesis gases that are the raw materials by a distributor plate installed in the reactor, and the raw materials can be sufficiently mixed with the reaction mixture due to the circulation of the reaction mixture so that the efficiency of the production of the aldehyde is excellent; and also the hydrogenation reactor suppresses the side reaction so that the efficiency for producing aldehyde and alcohol are all increased, and also iso-type reaction product and alcohol can be efficiently co-produced.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: July 29, 2014
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Hyun Ko, Moo-Ho Hong, Sung-Shik Eom, Yong-Jin Choe, O-Hak Kwon, Dae-Chul Kim, Jae-Hui Choi