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公开(公告)号：US20220386686A1
公开(公告)日：2022-12-08
申请号：US17775452
申请日：2021-10-13
申请人： KT&G CORPORATION
发明人： Ki-Jin AHN , Jong Yeol KIM , Soo Ho KIM , Kyengbae MA , Man Seok SEO , Jin Chul YANG , Bong Su CHEONG
摘要： A method of manufacturing a wrapper for an aerosol generating article includes applying an adhesive to one surface of a metal layer and attaching a first paper layer thereto, applying the adhesive to the other surface of the metal layer and attaching thereto a second paper layer different from the first paper layer, and drying the adhesive applied between the metal layer and the first paper layer and the adhesive applied between the metal layer and the second paper layer.
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2.发明公开公开(公告)号：US20240284968A1
公开(公告)日：2024-08-29
申请号：US18570859
申请日：2022-09-21
发明人： Sang Woo JIN , Jong Cheol JEONG , Jeong Hun LEE , Seung Dong SEO , Yeong Nam HWANG , Sunghoon HA , Kyengbae MA , Jin-Chul YANG , Bong Su CHEONG
IPC分类号： A24D3/02 , A24D3/06 , A24D3/10 , A24D3/14 , A24D3/16 , D01D5/06 , D01F2/00 , D01F11/02 , D02G1/12
CPC分类号： A24D3/022 , A24D3/063 , A24D3/068 , A24D3/10 , A24D3/14 , A24D3/16 , D01D5/06 , D01F2/00 , D01F11/02 , D02G1/12 , D10B2201/22 , D10B2505/04
摘要： The present disclosure relates to a lyocell material with controlled whiteness by hydrogen peroxide treatment and a manufacturing method thereof, wherein the lyocell material has improved whiteness due to an aging effect through drying and packaging by a predetermined amount of hydrogen peroxide remaining in a tow, and may replace a CA cigarette filter to lower environmental pollution problems caused by discarded cigarette butts, and thus the lyocell material is suitable as a cigarette filter.
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公开(公告)号：US20240284970A1
公开(公告)日：2024-08-29
申请号：US18570769
申请日：2022-09-21
发明人： Sang Woo JIN , Jong Cheol JEONG , Jeong Hun LEE , Seung Dong SEO , Yeong Nam HWANG , Sunghoon HA , Kyengbae MA , Jin-Chul YANG , Bong Su CHEONG
CPC分类号： A24D3/10 , A24D3/0204 , D01D5/06
摘要： The present disclosure relates to a lyocell material for a cigarette filter and a method of manufacturing the same, in which, by setting the optimal total denier range of crimped lyocell tow, which may realize filter properties equivalent to cellulose acetate (CA) currently used as a cigarette filter, the optimal processability for manufacturing a cigarette filter may be secured, and due to the excellent biodegradability thereof, environmental pollution factors caused by conventional discarded cigarette butts may be reduced.
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