公开(公告)号：US20240407430A1

公开(公告)日：2024-12-12

申请号：US18689643

申请日：2022-11-03

Applicant: KT & G CORPORATION ,  KOLON INDUSTRIES, INC.

Inventor： Jin Chul YANG ,  Kyeng Bae MA ,  Ki Jin AHN ,  Bong Su CHEONG ,  Sung Hoon HA ,  Jong Cheol JEONG ,  Sang Woo JIN ,  Jeong Hun LEE ,  Seung Dong SEO ,  Yeong Nam HWANG

IPC: A24D3/10 ,  A24D3/14 ,  D21H11/14 ,  D21H17/53 ,  D21H27/08

Abstract: A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers and a binder configured to bond the lyocell fibers to each other and has a hardness of 85% or higher is provided. According to one embodiment of the present disclosure, the cigarette filter has a hardness of 80% or higher even 5 minutes after 20 parts by weight to 25 parts by weight of water is added thereto based on 100 parts by weight of the lyocell tow. According to one embodiment of the present disclosure, the cigarette filter has a degree of collapse due to moisture of 7% or lower. According to one embodiment of the present disclosure, the cigarette filter overcomes existing, material-related problems of lyocell tow and has a high hardness and a low degree of collapse due to moisture.

公开(公告)号：US20240360059A1

公开(公告)日：2024-10-31

申请号：US18291317

申请日：2022-07-12

Applicant: KOLON INDUSTRIES, INC.

Inventor： MI SHIN ,  Ji Min HA ,  Mee Hye JEONG ,  Jun Yeong KIM ,  Da Kyoung YONG ,  Ki Hyun PARK

IPC: C07C29/17 ,  B01J21/04 ,  B01J23/02 ,  B01J23/46 ,  B01J35/30 ,  C07C35/06 ,  C07C49/395

CPC classification number: C07C29/175 ,  B01J21/04 ,  B01J23/02 ,  B01J23/462 ,  B01J35/394 ,  C07C35/06 ,  C07C49/395

Abstract: Provided is a catalyst for preparing 1,3-cyclopentanediol by hydrogenation of 4-hydroxy-2-cyclopentenone, the catalyst including: a carrier including α-Al2O3; and an active metal supported on the carrier.

公开(公告)号：US20240304839A1

公开(公告)日：2024-09-12

申请号：US18551609

申请日：2022-04-25

Applicant: KOLON INDUSTRIES, INC.

Inventor： Na Hyeon AN ,  Do Woo KIM ,  Jung Kun HER

IPC: H01M8/04119 ,  H01M8/10

CPC classification number: H01M8/04149 ,  H01M8/04141 ,  H01M2008/1095

Abstract: The present invention relates to: a cartridge for a fuel cell humidifier for humidifying dry gas supplied from the outside by using wet gas discharged from a fuel cell stack; and a fuel cell humidifier, the cartridge comprising: an inner case having an opening at the end thereof, and having a plurality of hollow fiber membranes contained therein; and a first gas inlet and a first gas outlet formed to be spaced from each other in a first axial direction in the inner case, wherein: the inner case comprises a first segment having the hollow fiber membranes contained therein, a second segment spaced from the first segment on the basis of a second axial direction that is vertical with respect to the first axial direction, and a third segment positioned between the first segment and the second segment on the basis of the second axial direction; and the average thickness of the third segment is thinner than each of the average thickness of the first segment and the average thickness of the second segment.

公开(公告)号：US20240287012A1

公开(公告)日：2024-08-29

申请号：US18292406

申请日：2021-07-28

Applicant: KOLON INDUSTRIES, INC.

Inventor： Mee Hye JEONG ,  Jun Yeong KIM ,  Ji Min HA ,  Da Kyoung YONG ,  Ki Hyun PARK

IPC: C07D307/54 ,  C07D307/46

CPC classification number: C07D307/54 ,  C07D307/46

Abstract: The present invention relates to a method for preparing a dicarboxyl acid aromatic heterocyclic compound and a dicarboxyl acid aromatic heterocyclic compound obtained thereby. According to the present invention, an oxide with improved yield and purity can be produced by an oxidation reaction of a bio-based hydroxyl-free aromatic heterocyclic compound under a heterogeneous catalyst.

公开(公告)号：US12043700B2

公开(公告)日：2024-07-23

申请号：US17635739

申请日：2020-08-28

Applicant: KOLON INDUSTRIES, INC.

Inventor： Mee Hye Jeong ,  Ji Min Ha ,  Da Kyoung Yong ,  Ki Hyun Park

IPC: C08G63/183 ,  B01J23/46 ,  C07C29/143 ,  C07C45/59 ,  C08G18/32 ,  C08G18/76 ,  C08G63/199

CPC classification number: C08G63/199 ,  B01J23/462 ,  C07C29/143 ,  C07C45/59 ,  C08G18/3212 ,  C08G18/7671 ,  C08G63/183

Abstract: The present invention relates to a polyester or polyurethane polymer comprising a biomass-derived 1,3-cyclopentanediol monomer, and a method for preparing same.

公开(公告)号：US20240243308A1

公开(公告)日：2024-07-18

申请号：US18558724

申请日：2022-06-09

Applicant: KOLON INDUSTRIES, INC.

Inventor： Do Woo KIM ,  Kyoung Ju KIM ,  Na Hyun AHN ,  In Ho KIM

IPC: H01M8/04119 ,  H01M8/10

CPC classification number: H01M8/04149 ,  H01M2008/1095

Abstract: The present disclosure relates to a fuel cell membrane humidifier in which a gap between an inner case and a mid-case constituting a cartridge is sealed to prevent off-gas from being bypassed. The disclosed fuel cell membrane humidifier includes: a mid-case having a partition wall partitioning an internal space; a first cap fastened to one side of the mid-case; a second cap fastened to other side of the mid-case; an inner case disposed in the mid-case and configured to accommodate a plurality of hollow fiber membranes therein; a rib protruding from one side of the inner case and coming into contact with one surface of the partition wall; a hook protruding from other side of the inner case and coming into contact with other surface of the partition wall; a first gasket disposed between the first cap and the inner case and configured to transmit fastening force between the first cap and the mid-case to the rib; and a second gasket disposed between the second cap and the inner case and configured to transmit fastening force between the second cap and the mid-case to the hook.

公开(公告)号：US12027736B2

公开(公告)日：2024-07-02

申请号：US17774147

申请日：2020-12-23

Applicant: KOLON INDUSTRIES, INC.

Inventor： Nak Won Kong ,  Kyoung Sik Nam ,  Kah Young Song ,  Jun Young Kim

IPC: H01M8/1004 ,  H01M4/86 ,  H01M4/92

CPC classification number: H01M8/1004 ,  H01M4/926 ,  H01M2004/8684

Abstract: Disclosed is a membrane-electrode assembly which can prevent the corrosion of a carbon-based carrier caused by reducing and/or stopping the supply of hydrogen gas, as well as platinum loss caused by such corrosion, without degrading the performance of a fuel cell, and thus can improve the reverse voltage durability of the fuel cell. Also disclosed are a method for manufacturing the membrane-electrode assembly, and a fuel cell including the membrane-electrode assembly. The membrane-electrode assembly according to the present invention includes: an electrolyte membrane having a first surface and a second surface opposite the first surface; an anode on the first surface; an OER catalyst layer on the first surface; and a cathode on the second surface, wherein the OER catalyst layer includes a catalyst for an oxygen-generating reaction, and at least a portion of the OER catalyst layer is disposed on the same layer as the anode.

公开(公告)号：US20240154131A1

公开(公告)日：2024-05-09

申请号：US18550683

申请日：2022-02-15

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Jun Young KIM ,  Kah Young SONG ,  Nak Won KONG ,  Ju Sung LEE ,  Kyoung Sik NAM ,  Chan Mi PARK

IPC: H01M4/86 ,  H01M4/88 ,  H01M4/92 ,  H01M8/10 ,  H01M8/1004

CPC classification number: H01M4/8652 ,  H01M4/8657 ,  H01M4/8882 ,  H01M4/8892 ,  H01M4/921 ,  H01M4/925 ,  H01M8/1004 ,  H01M2008/1095

Abstract: Provided is a catalyst layer for fuel cell having improved heat-dissipating performance and durability. The catalyst layer for fuel cell according to the present invention is a catalyst layer for fuel cell comprising a first composite and a second composite, wherein the first composite includes: a supporting material, a catalyst including metal particles supported on the supporting material, and a first ionomer coated on the surface of the catalyst; the second composite includes a heat-dissipating material and a second ionomer, the second ionomer is not coated on the surface of the catalyst, and the first ionomer and the second ionomer are identical with or different from each other.

公开(公告)号：US20240113311A1

公开(公告)日：2024-04-04

申请号：US18264777

申请日：2022-03-08

Applicant: KOLON INDUSTRIES, INC.

Inventor： Young Seok OH ,  Ah Reum LEE ,  Ji Yoon LEE ,  Kyoung Ju KIM

IPC: H01M8/04119 ,  B01D63/02

CPC classification number: H01M8/04149 ,  B01D63/02 ,  B01D2313/083 ,  B01D2313/205 ,  B01D2313/21 ,  B01D2313/24 ,  B01D2313/44

Abstract: The present invention relates to a membrane humidifier for a fuel cell, which can prevent a decrease in humidification efficiency, caused by a pressure difference between the inside and the outside of the membrane humidifier. The membrane humidifier for a fuel cell, according to an embodiment of the present invention, comprises: a middle case having a module insertion part formed therein; a cap case coupled to the middle case; a hollow fiber membrane module inserted in the module insertion part; and an active pressure buffer part formed between the middle case and the module insertion part to prevent expansion of the module insertion part due to a pressure difference between the inside and the outside of the middle case or relieve the pressure difference according to output states of the fuel cell.

公开(公告)号：US20240097161A1

公开(公告)日：2024-03-21

申请号：US18253944

申请日：2021-12-30

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Kun HER ,  Do Woo KIM ,  Woong Jeon AN ,  Kyoung Ju KIM

IPC: H01M8/04119

CPC classification number: H01M8/04149

Abstract: The present disclosure provides a fuel cell membrane humidifier capable of regulating dry gas pressure in the fuel cell membrane humidifier by discharging dry gas to an outside according to the dry gas pressure in the membrane humidifier and a fuel cell system including the same, and



the fuel cell membrane humidifier according to an embodiment of the present disclosure
includes: a mid-case; a cap fastened to the mid-case and having a dry gas discharge hole through which dry gas is discharged; and a pressure regulator formed in the cap and partially opening the dry gas discharge hole according to pressure of dry gas in the cap to regulate the pressure of the dry gas in the cap.