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公开(公告)号：US20190024263A1
公开(公告)日：2019-01-24
申请号：US16066778
申请日：2016-12-27
Applicant: KOLON INDUSTRIES, INC.
Inventor： Sang Woo JIN , Woo Chul KIM , Yong Kwan CHO , Jong Cheol JEONG , Sang Yoel LEE , Sang Mok LEE
Abstract: The present invention relates to a lyocell fiber, and more specifically to a lyocell fiber, wherein the cross-sectional shape of a monofilament contained in the lyocell fiber is controlled to thus increase the specific surface area of the fiber, thereby exhibiting properties equal or superior to those of conventional lyocell fibers, even when used in a small amount.
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2.发明申请公开(公告)号：US20160286854A1
公开(公告)日：2016-10-06
申请号：US14392274
申请日：2014-06-02
Applicant: KOLON INDUSTRIES, INC. , KT&G CORPORATION
Inventor： Jong Cheol JEONG , Woo Chul KIM , Sang Woo JIN , Burm Ho YANG , Man Seok SEO , Kyung Joon LEE , Hyun Suk CHO , Jong Yeol KIM
Abstract: This invention relates to a lyocell material for a cigarette filter and a method of manufacturing the same, wherein the lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to thus obtain a crimped tow.
Abstract translation: 本发明涉及一种用于香烟过滤嘴的lyocell材料及其制造方法，其中可生物降解和环保的lyocell材料可以通过卷曲莱赛尔复丝来制造，从而获得卷边丝束。
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公开(公告)号：US20250098736A1
公开(公告)日：2025-03-27
申请号：US18728212
申请日：2023-01-17
Applicant: KT & G CORPORATION , KOLON INDUSTRIES, INC.
Inventor： Kyengbae MA , Ki Jin AHN , Jin YANG , Bong Su CHEONG , Sunghoon HA , Seung Dong SEO , Jeong Hun LEE , Jong Cheol JEONG , Sang Woo JIN , Yeong Nam HWANG
Abstract: The present disclosure provides a cigarette filter including lyocell tow including a bundle of lyocell fibers, a moisturizer, and a binder, a smoking article including the cigarette filter, and a method of producing the cigarette filter.
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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
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.
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公开(公告)号：US20200085094A1
公开(公告)日：2020-03-19
申请号：US16688838
申请日：2019-11-19
Applicant: KOLON INDUSTRIES, INC. , KT&G CORPORATION
Inventor： Jong Cheol JEONG , Woo Chul KIM , Sang Woo JIN , Burm Ho YANG , Man Seok SEO , Kyung Joon LEE , Hyun Suk CHO , Jong Yeol KIM
IPC: A24D3/02 , D02G1/00 , D01D10/06 , A24D3/10 , D01F2/00 , D01D5/06 , B29C48/00 , D01D1/02 , D02G1/12 , A24D3/06
Abstract: A lyocell material for a cigarette filter and a method of manufacturing the same are disclose. The lyocell material which is biodegradable and eco-friendly can be manufactured by crimping lyocell multifilaments to obtain a crimped tow.
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Patent Agency Ranking
公开(公告)号：US20250040592A1
公开(公告)日：2025-02-06
申请号：US18714720
申请日：2023-06-07
Applicant: KT&G CORPORATION , KOLON INDUSTRIES, INC.
Inventor： Sung Hoon HA , Jin Chul YANG , Kyeng Bae MA , Bong Su CHEONG , Seung Dong SEO , Jeong Hun LEE , Jong Cheol JEONG , Sang Woo JIN , Yeong Nam HWANG
Abstract: The present disclosure provides a smoking article filter which includes lyocell tow including lyocell fibers, a binder solution, and filter wrapping paper, and has 90% or higher biodegradation within 6 months according to the American Society for Testing and Materials (ASTM) D6691 under marine conditions at 30° C., and a smoking article including the smoking article filter.
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公开(公告)号：US20250000136A1
公开(公告)日：2025-01-02
申请号：US18712156
申请日：2022-11-03
Applicant: KT&G CORPORATION , KOLON INDUSTRIES, INC.
Inventor： Jin Chul YANG , Soo Ho KIM , Kyeng Bae MA , Bong Su CHEONG , Sung Hoon HA , Jong Cheol JEONG , Sang Woo JIN , Jeong Hun LEE , Seung Dong SEO , Yeong Nam HWANG
Abstract: A cigarette filter which includes lyocell tow made of a plurality of lyocell fibers, a binder configured to bond the lyocell fibers to each other, and a solvent dispersed in an inner space of the cigarette filter including the lyocell tow, wherein the solvent includes a polyhydric alcohol, is provided. According to one embodiment of the present disclosure, the polyhydric alcohol is a diol having a C1-C4 alkylene group. The cigarette filter according to one embodiment of the present disclosure overcomes the existing material-related problems of lyocell tow and has excellent hardness.
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8.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
Applicant: KOLON INDUSTRIES, INC. , KT&G CORPORATION
Inventor： 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: A24D3/02 , A24D3/06 , A24D3/10 , A24D3/14 , A24D3/16 , D01D5/06 , D01F2/00 , D01F11/02 , D02G1/12
CPC classification number: A24D3/022 , A24D3/063 , A24D3/068 , A24D3/10 , A24D3/14 , A24D3/16 , D01D5/06 , D01F2/00 , D01F11/02 , D02G1/12 , D10B2201/22 , D10B2505/04
Abstract: 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：US20180007952A1
公开(公告)日：2018-01-11
申请号：US15540873
申请日：2015-12-23
Applicant: KOLON INDUSTRIES, INC. , KT&G CORPORATION
Inventor： Sang Woo JIN , Woo Chul KIM , Yong Kwan CHO , Jong Cheol JEONG , Sang Mok LEE , Sang Yoel LEE , Jong Yeol KIM , Soo Ho KIM , Bong Su CHEONG , Hyun Suk CHO , Sung Jong KI , Hyeon Tae KIM
CPC classification number: A24D3/068 , A24D3/02 , A24D3/0204 , A24D3/06 , A24D3/10 , A24D3/14 , D01D5/22 , D01F1/02 , D01F2/00 , D02G1/12
Abstract: This invention relates to a method of manufacturing a lyocell material for a cigarette filter, including (S1) spinning a lyocell spinning dope composed of 8 to 13 wt % of a cellulose pulp and 87 to 92 wt % of an N-methylmorpholine-N-oxide (NMMO) aqueous solution; (S2) coagulating the lyocell spinning dope spun in (S1), thus obtaining a lyocell multifilament; (S3) water-washing the lyocell multifilament obtained in (S2); (S4) oiling the lyocell multifilament water-washed in (S3); and (S5) applying steam and pressure to the lyocell multifilament obtained in (S4), thus obtaining a crimped tow having 30 to 40 crimps per inch.
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10.发明申请公开(公告)号：US20170156394A1
公开(公告)日：2017-06-08
申请号：US15322753
申请日：2015-06-30
Applicant: KOLON INDUSTRIES, INC. , KT&G CORPORATION
Inventor： Jong Cheol JEONG , Sang Woo JIN , Sang Yoel LEE , Woo Chul KIM , Sang Mok LEE , Jong Yeol KIM , Soo Ho KIM , Bong Su CHEONG , Hyun Suk CHO , Sung Jong KI
CPC classification number: A24D3/064 , A24D3/068 , A24D3/10 , B29C48/0019 , B29C48/022 , B29C48/05 , B29C48/21 , B29C48/30 , B29C48/345 , B29K2001/08 , B29L2031/14 , B29L2031/7416 , D01D4/02 , D01D5/088 , D01D5/253 , D01D5/28 , D01F2/00 , D01F2/08 , D10B2503/00
Abstract: This invention relates to a lyocell material for a tobacco filter and a method of manufacturing the same, and more particularly to a lyocell fiber having a modified cross-section for a tobacco filter, wherein the cross-sectional shape of a monofilament contained in a lyocell fiber is controlled to increase the external surface area of the fiber, after which then crimps are formed, thereby exhibiting properties equal or superior to those of conventional lyocell materials, even when used in a small amount.
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