Patents by Inventor Kyu-Jun Kim
Kyu-Jun 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).
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Publication number: 20250121307Abstract: The water purifier according to an aspect of the present invention may include a housing; a first module unit configured to generate purified water or ice; a second module unit connected to the first module unit to discharge purified water or ice to the outside; and a front panel unit having a size and shape capable of covering the opening of the housing and coupled to the housing to be opened and closed through linear or rotational motion to conceal the opening in a closed state and to expose the opening in an open state.Type: ApplicationFiled: September 6, 2024Publication date: April 17, 2025Applicant: COWAY Co., Ltd.Inventors: Kyu Jun KIM, An Ho CHO, Jong Hwan LEE, Hee Do JUNG, Hee Joo KANG, Byung Hyo YE, Sang Woo BANG
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Patent number: 12145790Abstract: Provided is a cooling tank comprising a tank body in which a water accommodation space is formed, a foaming case for encompassing the outer peripheral surface of the tank body, and a foam insulating material formed by a foaming agent flowing into the foaming space between the outer peripheral surface of the tank body and the foaming case, and then foaming, wherein the foam insulating material is integrated with the tank body and the case through foaming, and the case has an air outlet through which air of the foaming space is discharged during a foaming process.Type: GrantFiled: December 4, 2020Date of Patent: November 19, 2024Assignee: COWAY CO., LTD.Inventors: Kyu-Jun Kim, Chul-Ho Kim, Young-Hoon Hong, Min-Chul Yong
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Patent number: 11965106Abstract: A dispersion of an alkyd-containing polymer dispersed in water is used to form a waterborne coating composition; the alkyd-containing polymer being an acrylic-modified alkyd polymer, a silicone-acrylic-modified alkyd polymer, or a mixture thereof. The resulting waterborne coating composition includes about 2 to about 30% by weight of one or more thermal insulating fillers with the remainder being the alkyd-containing dispersion, such that the coating composition contains about 30 to about 80% by weight of the water and about 2 to about 50% by weight of the alkyd-containing polymer. The coating applied therefrom exhibits at least one of the following properties: a thermal conductivity that is less than 100 mW/mK; a weight retention of at least 70% after being heated up to 400 C as measured by thermogravimetric analysis (TGA) with a heating rate of 20 C/min.; or a weight loss of less than 50% up to a temperature of 470 C as measured by the TGA.Type: GrantFiled: April 24, 2018Date of Patent: April 23, 2024Assignee: Arkema Inc.Inventors: Kyu-Jun Kim, Jeffrey P. Arendt
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Publication number: 20240093054Abstract: Waterborne dispersions including crosslinkable multistage polymeric particles useful in coating compositions are provided. The multistage particles have a last-formed layer that includes a diketone functionality that is capable of crosslinking via a dihydrazide component also included in the dispersion. Another embodiment of the waterborne dispersion further includes crosslinkable latex particles having a diketone functionality that are capable of crosslinking with each other and/or the multistage particles via the dihydrazide component. An emulsion polymerization process for forming the multistage particles also is provided. Also provided are coating compositions that contain either embodiment of the waterborne dispersions.Type: ApplicationFiled: February 2, 2022Publication date: March 21, 2024Inventors: Lei YANG, Kyu-Jun KIM, Jeffrey A. SCHNEIDER, Wenjun WU, Jinbao CAO
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Patent number: 11912820Abstract: An alkyd polymer composition for fast-drying, low VOC applications is provided. The alkyd polymer incorporates a minimum required level of a cyclic ether- and hydroxyl-containing composition formed from a sugar alcohol during the alcoholysis step while synthesizing the alkyd polymer. The disclosure also relates to the cyclic ether- and hydroxyl-containing composition which must have a minimum required level of cyclic ether structure incorporated therein in order to produce a sufficiently fast-drying alkyd polymer. Methods of making the cyclic ether- and hydroxyl-containing composition and the alkyd polymer comprising, as polymerized units, the cyclic ether- and hydroxyl-containing composition and a poly acid and/or an anhydride compound, as well as an optional polyol, other than the sugar alcohol, are also provided.Type: GrantFiled: September 20, 2019Date of Patent: February 27, 2024Assignee: Arkema Inc.Inventor: Kyu-Jun Kim
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Patent number: 11814477Abstract: An alkyd polymer composition for use in low volatile organic compound (VOC) containing products that exhibits a Gardner-Holdt viscosity with 30 weight % mineral spirits at 25° C. that is less than or equal to Z4, a thy-hard time of less than 10 hours when tested with metal driers according to ASTM D 1640-03, and a clear appearance. The alkyd polymer composition includes, as polymerized units an alkyd polymer of one or more fatty acids; a sugar alcohol having at least 6 carbon atoms; a polyol with four or more hydroxyl functional groups; and an aromatic polyacid with two carboxylic acid groups located in a meta-position relative to one another. The alkyd polymer composition includes at least one aliphatic oxide ring having one or more peaks located between 75 to 90 ppm as measured using C13 Nuclear Magnetic Resonance (NMR) spectroscopy.Type: GrantFiled: August 25, 2017Date of Patent: November 14, 2023Assignee: Arkema Inc.Inventor: Kyu-Jun Kim
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Publication number: 20230278848Abstract: A tank having an integrated insulation structure includes a tank body having an accommodating space formed therein; a foamed case surrounding the outer peripheral surface of the tank body; and a foamed insulation material formed by a foaming agent expanding after being introduced into a space between the outer peripheral surface of the tank body and the foamed case. The foamed insulation material is integrated with the tank body and the foamed case through foaming, the foamed case includes a plurality of parts surrounding the tank body, and at least some of the plurality of parts having a structure manufactured in a planar figure shape to be foldable thereafter so as to correspond to the exterior of the tank body.Type: ApplicationFiled: July 5, 2021Publication date: September 7, 2023Applicant: COWAY Co., Ltd.Inventors: Kyu-Jun KIM, Sang-Gu SIM, Sung-Jin KIM, Sang-Woo BANG, An-Ho CHO, Chan-Jung PARK
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Publication number: 20230049591Abstract: The present invention relates to a polyester-urethane composition. In particular, the invention relates to aliphatic alkyl ring-containing compositions that are useful for producing ultraviolet light resistant coatings. The invention further relates to pigmented and clear coating compositions formulated with the polyester-urethane composition of the present invention. The polyester-urethane compositions may be crosslinked.Type: ApplicationFiled: January 6, 2021Publication date: February 16, 2023Inventor: Kyu-Jun KIM
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Publication number: 20220402681Abstract: Provided is a cooling tank comprising a tank body in which a water accommodation space is formed, a foaming case for encompassing the outer peripheral surface of the tank body, and a foam insulating material formed by a foaming agent flowing into the foaming space between the outer peripheral surface of the tank body and the foaming case, and then foaming, wherein the foam insulating material is integrated with the tank body and the case through foaming, and the case has an air outlet through which air of the foaming space is discharged during a foaming process.Type: ApplicationFiled: December 4, 2020Publication date: December 22, 2022Applicant: COWAY CO., LTD.Inventors: Kyu-Jun KIM, Chul-Ho KIM, Young-Hoon HONG, Min-Chul YONG
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Patent number: 11493253Abstract: An evaporator for an ice maker includes an evaporator body having a refrigerant flow path formed therein; a dipping member connected to the evaporator body, for a refrigerant having a temperature lower than a freezing point of water to flow in the refrigerant flow path to generate ice in a state in which at least a portion of the dipping member is submerged in water; a heater having at least a portion inserted into the refrigerant flow path, and directly or indirectly heating at least one of the refrigerant in the refrigerant flow path, the evaporator body, and the dipping member to separate the ice generated on the dipping member from the dipping member; and a connection member connecting the evaporator body and the refrigerant flow path to be connected to a refrigeration cycle, and inserting the at least a portion of the heater into the refrigerant flow path.Type: GrantFiled: September 4, 2019Date of Patent: November 8, 2022Assignee: COWAY Co., Ltd.Inventors: Gyeong-Min Lee, Jung-Hwan Lee, Kyu-Jun Kim, Doo-Youl Jeon, Myeong-Hoon Kang, Jin-Woo Choi, Kwon-Jae Lee, Jae-Man Kim
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Publication number: 20220034571Abstract: An evaporator for an ice maker includes an evaporator body having a refrigerant flow path formed therein; a dipping member connected to the evaporator body, for a refrigerant having a temperature lower than a freezing point of water to flow in the refrigerant flow path to generate ice in a state in which at least a portion of the dipping member is submerged in water; a heater having at least a portion inserted into the refrigerant flow path, and directly or indirectly heating at least one of the refrigerant in the refrigerant flow path, the evaporator body, and the dipping member to separate the ice generated on the dipping member from the dipping member; and a connection member connecting the evaporator body and the refrigerant flow path to be connected to a refrigeration cycle, and inserting the at least a portion of the heater into the refrigerant flow path.Type: ApplicationFiled: September 4, 2019Publication date: February 3, 2022Applicant: WOONGJIN COWAY Co., Ltd.Inventors: Gyeong-Min LEE, Jung-Hwan LEE, Kyu-Jun KIM, Doo-Youl JEON, Myeong-Hoon KANG, Jin-Woo CHOI, Kwon-Jae LEE, Jae-Man KIM
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Publication number: 20210363293Abstract: An alkyd polymer composition for fast-drying, low VOC applications is provided. The alkyd polymer incorporates a minimum required level of a cyclic ether- and hydroxyl-containing composition formed from a sugar alcohol during the alcoholysis step while synthesizing the alkyd polymer. The disclosure also relates to the cyclic ether- and hydroxyl-containing composition which must have a minimum required level of cyclic ether structure incorporated therein in order to produce a sufficiently fast-drying alkyd polymer. Methods of making the cyclic ether- and hydroxyl-containing composition and the alkyd polymer comprising, as polymerized units, the cyclic ether- and hydroxyl-containing composition and a poly acid and/or an anhydride compound, as well as an optional polyol, other than the sugar alcohol, are also provided.Type: ApplicationFiled: September 20, 2019Publication date: November 25, 2021Inventor: Kyu-Jun KIM
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Patent number: 10982894Abstract: An ice storage includes a storage body having a storage space for storing ice and a discharge port for discharging ice to the outside, a transferring and breaking part which, by having at least a part thereof provided in the storage space, transfers the ice in the storage space to the discharge port, and if necessary, breaks the transferred ice, and a door part allowing the ice to be discharged through the discharge port as unbroken ice or broken ice unbroken or broken up by the transferring and breaking part. The transferring and breaking part includes a transferring member for transferring ice and a breaking member for breaking ice, and the transferring member and the breaking member are configured such that ice is not stuck therebetween while being transferred.Type: GrantFiled: June 1, 2017Date of Patent: April 20, 2021Inventors: Young-Hoon Hong, Jung-Hwan Lee, Hyun-Seok Moon, Kyu-Jun Kim, Gyeong-Min Lee, Jong-Min Kim, Han-Soo Kim, Dong-Min Oh
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Patent number: 10920011Abstract: A water soluble polymer or polymeric adduct has a backbone comprising a plurality of segments with amine functional groups and hydroxyl functional groups with a number average molecular weight of about 5.00 to 1,000,000 Daltons. The polymeric adduct may be formed as an addition product by reacting at least one multifunctional amine compound reacted with a one or more polyfunctional epoxy compounds and/or one or more monofunctional epoxy compounds, such that there are 1.3 to 3.8 reactive amine functional groups per reactive epoxy functional group. An aqueous solution of the polymer or polymeric adduct has a viscosity of about 100 centipoise to 100,000 centipoise and a pH value of about 8 to 12 when the solution comprises 70 wt. % of the polymer or polymeric adduct dissolved in water. The polymeric adducts are useful fast setting additives for emulsions due to excellent stability when blended with anionically stabilized latex.Type: GrantFiled: June 21, 2016Date of Patent: February 16, 2021Assignee: Arkema Inc.Inventors: Kyu-Jun Kim, Rong Hu, Jeremy L. Grove
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Patent number: 10829591Abstract: A latex product composition that includes an anionicaily-stabilized latex; at least one volatile base compound; and one or more water soluble, polymers or polymeric adducts that have a backbone with a plurality of amine functional groups and hydroxyl functional groups. The polymers or polymeric adducts may be an addition product formed from at least one multifunctional amine compound reacted with one or more polyfunctional epoxy compounds, one or more monofunctional epoxy compounds, or a combination thereof. The polymers or polymeric adducts are formed by the addition reaction of the amine compound and the one or more epoxy compounds with 1.3 to 3.8 amine functional group per epoxy functional group. The addition product may be present in about 0.1 to 15.0 wt. % and the at least one volatile base compound is present in about 1.0 wt. % to 10.0 wt. % based on the weight of the particles present in the anionicaily-stabilized latex.Type: GrantFiled: June 16, 2016Date of Patent: November 10, 2020Assignee: Arkema Inc.Inventors: Kyu-Jun Kim, Rong Hu, Michael C. Kaufman
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Publication number: 20200278144Abstract: An ice storage includes a storage body having a storage space for storing ice and a discharge port for discharging ice to the outside, a transferring and breaking part which, by having at least a part thereof provided in the storage space, transfers the ice in the storage space to the discharge port, and if necessary, breaks the transferred ice, and a door part allowing the ice to be discharged through the discharge port as unbroken ice or broken ice unbroken or broken up by the transferring and breaking part. The transferring and breaking part includes a transferring member for transferring ice and a breaking member for breaking ice, and the transferring member and the breaking member are configured such that ice is not stuck therebetween while being transferred.Type: ApplicationFiled: June 1, 2017Publication date: September 3, 2020Inventors: Young-Hoon HONG, Jung-Hwan LEE, Hyun-Seok Moon, Kyu-Jun KIM, Gyeong-Min LEE, Jong-Min KIM, Han-Soo KIM, Dong-Min OH
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Publication number: 20200239726Abstract: A dispersion of an alkyd-containing polymer dispersed in water is used to form a waterborne coating composition; the alkyd-containing polymer being an acrylic-modified alkyd polymer, a silicone-acrylic-modified alkyd polymer, or a mixture thereof. The resulting waterborne coating composition includes about 2 to about 30% by weight of one or more thermal insulating fillers with the remainder being the alkyd-containing dispersion, such that the coating composition contains about 30 to about 80% by weight of the water and about 2 to about 50% by weight of the alkyd-containing polymer. The coating applied therefrom exhibits at least one of the following properties: a thermal conductivity that is less than 100 mW/mK; a weight retention of at least 70% after being heated up to 400 C as measured by thermogravimetric analysis (TGA) with a heating rate of 20 C/min.; or a weight loss of less than 50% up to a temperature of 470 C as measured by the TGA.Type: ApplicationFiled: April 24, 2018Publication date: July 30, 2020Inventors: Kyu-Jun KIM, Jeffrey P. ARENDT
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Publication number: 20200181323Abstract: An alkyd polymer composition for use in low volatile organic compound (VOC) containing products that exhibits a Gardner-Holt viscosity with 30 weight % mineral spirits at 25° C. that is less than or equal to Z4, a thy-hard time of less than 10 hours when tested with metal driers according to ASTM D 1640-03, and a clear appearance. The alkyd polymer composition includes, as polymerized units an alkyd polymer of one or more fatty acids; a sugar alcohol having at least 6 carbon atoms; a polyol with four or more hydroxyl functional groups; and an aromatic polyacid with two carboxylic acid groups located in a meta-position relative to one another. The alkyd polymer composition includes at least one aliphatic oxide ring having one or more peaks located between 75 to 90 ppm as measured using C13 Nuclear Magnetic Resonance (NMR) spectroscopy.Type: ApplicationFiled: August 25, 2017Publication date: June 11, 2020Inventor: Kyu-Jun KIM
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Patent number: 10590302Abstract: A latex comprising a urethane linkage and having a high solids content and a low viscosity is described herein. Also described is a process for making the urethane linkage-containing latex wherein urethane linkage formation and emulsion polymerization take place in the same processing step.Type: GrantFiled: June 12, 2015Date of Patent: March 17, 2020Assignee: Arkema Inc.Inventors: Wayne Devonport, Wu Wenjun, Kyu-Jun Kim
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Patent number: 10584207Abstract: A latex product composition that includes an anionically-stabilized latex and one or more water soluble, polymers or polymeric adducts that have a backbone with a plurality of amine functional groups and hydroxyl functional groups. The polymers or polymeric adducts may be an addition product formed from at least one multifunctional amine compound reacted with one or more polyfunctional epoxy compounds, one or more monofunctional epoxy compounds, or a combination thereof. The amine compound and the one or more epoxy compounds are reacted to form polymers or polymeric adducts with the molar equivalent ratio of 1.3 to 3.8 amine functional group per epoxy functional group. The addition product may be present in about 0.1 to 15.0 wt. % and the at least one volatile base compound is present in about 1.0 wt. % to 10.0 wt. % based on the weight of the particles present in the anionically-stabilized latex.Type: GrantFiled: June 16, 2016Date of Patent: March 10, 2020Assignee: Arkema Inc.Inventors: Jeremy L. Grove, Kyu-Jun Kim, Rong Hu, Wayne Devonport