Patents Assigned to Hanwha Solutions Corporation
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Publication number: 20230366123Abstract: Disclosed is a continuous ingot growing apparatus. The continuous ingot growing apparatus according to the present invention may include a growth furnace in which a main crucible is positioned, wherein the main crucible accommodates molten-state silicon to grow an ingot, a material supply unit which supplies a solid-state silicon material before being melted into molten-state silicon, a quantitative supply unit which measures an amount of the solid-state silicon material supplied from the material supply unit and supplies a predetermined amount of the solid-state silicon material, and a preliminary melting unit which melts the predetermined amount of the solid-state silicon material supplied from the quantitative supply unit and supplies molten-state silicon to the main crucible.Type: ApplicationFiled: September 3, 2021Publication date: November 16, 2023Applicants: HANWHA SOLUTIONS CORPORATION, HANWHA CORPORATIONInventors: Young Jun LEE, Kyung Seok LEE, Jin Sung PARK
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Publication number: 20230357114Abstract: A method for preparing 1,4-bis(4-phenoxybenzoyl)benzene is provided. According to the method, when a 1,4-bis(4-phenoxybenzoyl)benzene synthesis reaction is carried out at a specific temperature, the amount of heat used in the preparing process can be minimized while attaining the same yield as that of the existing preparing method. In addition, waste solvent generated in the preparing process does not undergo a color change and thus can be reused, and thus energy saving effects can be provided.Type: ApplicationFiled: August 17, 2021Publication date: November 9, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Seong Min PARK, Min Guk SEO, Ki Taeg JUNG
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Publication number: 20230357498Abstract: The present disclosure relates to a method for preparing a copolyester. More specifically, the present disclosure relates to a method for preparing a copolyester that reduces the use of a cobalt-based coloring agent but minimizes yellowing, by using a specific thermal stabilizer.Type: ApplicationFiled: August 11, 2021Publication date: November 9, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Eung Gyu KIM, Ho Seong NAM, Kyoung Won YIM, Ju Mi YUN
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Patent number: 11807696Abstract: The present invention relates to a method for producing a dicyclopentadiene-based resin and a dicyclopentadiene-based resin produced thereby, the method comprising thermal polymerizing under non-catalyst, non-initiator conditions, thereby enabling not only excellent yield, but also, by a low polydispersity index, a narrow molecular weight distribution and the realization of uniform physical properties.Type: GrantFiled: May 14, 2019Date of Patent: November 7, 2023Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Hyeonuk Kang, Pilje Seong, Kyongjun Yoon, Min Ho Lee, Heejin Jang
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Publication number: 20230340238Abstract: A biodegradable resin composition and a method for making the biodegradable resin composition are disclosed. The biodegradable resin composition has improved biodegradability by including polyethylene, a biodegradable resin, and polybutylene adipate terephthalate (PBAT).Type: ApplicationFiled: October 19, 2020Publication date: October 26, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Yu Jeong LIM, Yu Jeong JEONG, Jeong Hyun PARK, Jae Kyu JANG
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Patent number: 11795249Abstract: Provided are a novel structure of a copolymer, a preparation method thereof, a vinyl chloride-based resin composition including the copolymer, and a coating ink including the vinyl chloride-based resin composition. According to the present invention, when the vinyl chloride-based resin composition including the copolymer is used, compatibility with ethylene vinyl acetate is excellent, and ink dispersibility and ink color are also excellent.Type: GrantFiled: July 24, 2019Date of Patent: October 24, 2023Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Moon Soo Gil, Chul-Woong Lee, Hyeok Chil Kwon
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Publication number: 20230332326Abstract: Disclosed is an ingot growing apparatus. The ingot growing apparatus according to the embodiment of the present invention includes a growth furnace in which a main crucible is disposed, wherein the main crucible accommodates molten silicon to grow an ingot, a preliminary crucible which receives a solid silicon material, melts the solid silicon material, and supplies molten silicon to the main crucible, a measurement unit which is installed to pass through the growth furnace and measures a change in level of the surface of the molten silicon in the main crucible, and a control unit which controls supply of the molten silicon in the preliminary crucible to the main crucible on the basis of the measured change in the level of the surface of the molten silicon.Type: ApplicationFiled: September 3, 2021Publication date: October 19, 2023Applicants: HANWHA SOLUTIONS CORPORATION, HANWHA CORPORATIONInventors: Jin Sung PARK, Kyung Seok LEE, Young Jun LEE, Keun Ho KIM
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Publication number: 20230332325Abstract: An ingot growing apparatus is disclosed. An ingot growing apparatus according to an embodiment of the present invention comprises: a growth furnace in which a main crucible for receiving molten silicon in order to grow an ingot is disposed; a susceptor formed so as to surround the outer surface of the main crucible and including a plurality of heating members which are electrically insulated from each other; and a heater which generates a magnetic field and heats the plurality of heating members through electromagnetic induction by the magnetic field, wherein the plurality of heating members form loops along the outer surface of the main crucible.Type: ApplicationFiled: September 3, 2021Publication date: October 19, 2023Applicants: HANWHA SOLUTIONS CORPORATION, HANWHA CORPORATIONInventors: Dong Woo BAE, Kyung Seok LEE, Young Min LEE
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Publication number: 20230313395Abstract: The present disclosure provides an oxidization electrode for anion exchange membrane water electrolysis having low cost, high performance, and high stability. Specifically, an embodiment of the present disclosure provides an oxidization electrode for anion exchange membrane water electrolysis, comprising: a nickel metal; and a layered double hydroxide (LDH) with a monolayer structure containing nickel and iron and disposed on one surface or both surfaces of the nickel metal.Type: ApplicationFiled: November 10, 2021Publication date: October 5, 2023Applicants: HANWHA SOLUTIONS CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Gil Ho KIM, Hyunjoo LEE, Chi Woo ROH, Kyu Ho SONG, Sun Seo JEON
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Publication number: 20230312773Abstract: A catalyst containing mixed transition metal compounds is disclosed. The catalyst is capable of producing various polyolefins having excellent processability and mechanical properties. A polyolefin prepared using the catalyst and processes for preparing the polyolefin are disclosed. In the preparation process, it is possible to conveniently prepare a catalyst for olefin polymerization including mixed transition metal compounds by readily adjusting the ratio of the transition metal compounds.Type: ApplicationFiled: August 4, 2021Publication date: October 5, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Hye Ran PARK, Ranwha PARK, Sung Dong KIM, Junho SEO, Munhee LEE, Won Jong LEE, Ui Gap JOUNG, Taeho JEONG, Ji Min HAN
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Patent number: 11707697Abstract: The present disclosure relates to a dividing wall distillation column and a method for refining vinylidene dichloride by using the same and, more specifically, to a dividing wall distillation column capable of refining, in a high purity, vinylidene dichloride from a crude product; and a method for refining vinylidene dichloride by using the same. According to the dividing wall distillation column of the present disclosure and the method for refining vinylidene dichloride by using the same, vinylidene dichloride can be refined, in a high purity, from a crude product having a small amount of vinylidene dichloride and a large quantity of high boiling components, and energy consumption can be reduced more than that in conventional cases.Type: GrantFiled: December 3, 2021Date of Patent: July 25, 2023Assignee: Hanwha Solutions CorporationInventors: Woo Youl Ahan, Shin Beom Lee
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Patent number: 11691934Abstract: A synthesis method and a synthesis device of cyclododecene according to the present invention have a high conversion rate of cyclododecatriene which is a reactant and a high selectivity of cyclododecene which is a required product, and even so, have an effect of significantly decreasing a reaction time. In addition, the method and the device have an excellent conversion rate of cyclododecatriene and an excellent selectivity of cyclododecene, while maintaining excellent reactivity without an organic solvent such as ethanol. Therefore, a volume of the reactor relative to an output of cyclododecene may be further decreased. Moreover, the method and the device may minimize costs for facilities and process, are practical, decrease a process time, and are industrially advantageous for mass production as compared with the conventional art.Type: GrantFiled: October 4, 2019Date of Patent: July 4, 2023Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Youngjin Kim, Namjin Jang, Kyuho Song, Wook Jeong
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Publication number: 20230167241Abstract: A method for producing polyether ketone ketone at a high yield is disclosed. According to the method, a catalyst injection rate is controlled during production to suppress scale formation, whereby the yield can be improved. A polyether ketone ketone produced by the method is disclosed. The method makes it possible to maintain an intrinsic viscosity (IV) of the polymer without a significant change and adjust a particle size of polyether ketone ketone by preventing an aggregation between resin particles, thereby suppressing scale formation.Type: ApplicationFiled: April 9, 2020Publication date: June 1, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Yu Jin SIM, Min Sung KIM, Jae Heoon KIM, Cho Hee AHN, Kwang Seok JEONG, Sang Hyun CHO
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Publication number: 20230166250Abstract: A method for producing a metal catalyst having an inorganic film deposited thereon by means of an atomic layer deposition (ALD) process, and a metal catalyst according to the method are disclosed. More specifically, the method includes a step of inducing selective adsorption of reactants to a portion having a low coordination number on the surface of the catalyst in the ALD process, thereby being intended to induce interaction between the catalyst and an inorganic film layer and maximally secure active sites of the catalyst.Type: ApplicationFiled: March 31, 2021Publication date: June 1, 2023Applicants: HANWHA SOLUTION CORPORATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Young Jin CHO, Do Heung KIM, Eun Ji WOO, Won Tae JANG, Keon Woo CHOI, Sung Gap IM
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Patent number: 11629204Abstract: Provided is a method for preparing a chlorinated polyvinyl chloride resin, and more particularly, a method for preparing a chlorinated polyvinyl chloride resin including a neutralization process for neutralizing to pH of 2 to 5 using metal hydroxide as a first neutralizing agent a), and completing neutralization using a carbonate-based compound as a second neutralizing agent b), wherein residual hydrochloric acid in pores of the chlorinated polyvinyl chloride resin obtained by chlorination of a polyvinyl chloride or a vinyl chloride-based copolymer may be efficiently removed, and thermal stability and extrusion appearance of processed articles may be improved.Type: GrantFiled: October 24, 2018Date of Patent: April 18, 2023Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Yang Jung Kim, Ki Won Hong, Woo Young Lee, Seon Jeong Jin
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Publication number: 20230054241Abstract: This invention relates to a method for preparing 1,4-cyclohexanedimethanol (CHDM), more specifically to a method for preparing 1,4-cyclohexanedimethanol having a high rate of trans isomers without an isomerization reaction step, wherein two-step hydrogenation reactions and a purification step are conducted using terephthalic acid as starting material.Type: ApplicationFiled: December 28, 2020Publication date: February 23, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Sun Uk LEE, Namjin JANG, Eun Jeong KIM, Jong Kwon LEE
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Publication number: 20230053503Abstract: This invention relates to a method for preparing 1,4-cyclohexanedimethanol(CHDM), more specifically to a method for preparing 1,4-cyclohexanedimethanol having a high rate of trans isomers without an isomerization reaction step.Type: ApplicationFiled: December 28, 2020Publication date: February 23, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Namjin JANG, Sun Uk LEE, Eun Jeong KIM, Jong Kwon LEE
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Publication number: 20230049802Abstract: This invention relates to a method for preparing 1,4-cyclohexane dicarboxylic acid (CHDA). More specifically, this invention relates to a method for preparing 1,4-cyclohexane dicarboxylic acid having a high rate of trans isomers, without an isomerization reaction step.Type: ApplicationFiled: December 28, 2020Publication date: February 16, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Namjin JANG, Sun Uk LEE, Eun Jeong KIM
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Publication number: 20230040175Abstract: The present disclosure relates to a method for producing 1,4-cyclohexanedimethanol (CHDM) and, more specifically, provides a method for producing 1,4-cyclohexanedimethanol having a high proportion of trans isomers even without including an isomerization step, by adjusting the content of 1,4-cyclohexane dicarboxylic acid (CHDA) which is a reactant.Type: ApplicationFiled: November 9, 2020Publication date: February 9, 2023Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Eun Jeong KIM, Sun Uk LEE, Jong Kwon LEE, Namjin JANG
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Patent number: 11571687Abstract: The present invention pertains to a method for recovering a selective homogeneous hydrogenation catalyst and a method for reusing the recovered selective homogeneous hydrogenation catalyst. The method for recovering a selective homogeneous hydrogenation catalyst comprises: a step for synthesizing cyclododecene by selectively hydrogenating a first reaction solution containing cyclododecatriene, triphenylphosphine, formaldehyde, and ruthenium chloride, wherein a selective homogeneous hydrogenation catalyst is prepared during the selective hydrogenation reaction from the triphenylphosphine, formaldehyde, and ruthenium chloride to synthesize the cyclododecene; and a step for distilling and separating unreacted cyclododecatriene and cyclododecadiene, as well as the product cyclododecene, from a second reaction solution in which the cyclododecene synthesis has been completed, and recovering the selective homogeneous hydrogenation catalyst.Type: GrantFiled: August 27, 2019Date of Patent: February 7, 2023Assignee: HANWHA SOLUTIONS CORPORATIONInventors: Youngjin Kim, Namjin Jang, Kyuho Song