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1.发明公开
公开(公告)号：EP4339358A1
公开(公告)日：2024-03-20
申请号：EP22876748.9
申请日：2022-09-21
发明人： JIN, Sang Woo , JEONG, Jong Cheol , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam , HA, Sunghoon , MA, Kyengbae , YANG, Jin-Chul , CHEONG, Bong Su
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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2.发明公开
公开(公告)号：EP4437865A1
公开(公告)日：2024-10-02
申请号：EP22916661.6
申请日：2022-12-26
发明人： JEONG, Young Han , YANG, Ji Eun , JEONG, Jong Cheol , JIN, Sang Woo , HWANG, Yeong Nam , MA, Kyengbae , HA, Sunghoon , YANG, Jin-Chul , CHEONG, Bong Su
摘要： Provided are a lyocell material, a filter for a smoking article and including the lyocell material, and a method of manufacturing these. The lyocell material manufactured according to the present application and a filter for a smoking article including the same replace conventional cellulose acetate materials and filters, and not only has excellent biodegradability, but also provides excellent filter manufacturing processability and excellent tobacco physical properties (e.g. hardness).
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公开(公告)号：EP4437866A1
公开(公告)日：2024-10-02
申请号：EP22916663.2
申请日：2022-12-26
发明人： JIN, Sang Woo , JEONG, Jong Cheol , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam , MA, Kyengbae , YANG, Jin-Chul , CHEONG, Bong Su , HA, Sunghoon
摘要： Provided are a lyocell material for a filter for a cigarette, a filter for a cigarette including the lyocell material, and methods of manufacturing these. The lyocell material and the filter for a cigarette including the same replace cellulose acetate materials and filters in the art, and not only have excellent biodegradability, but also provide excellent filter manufacturing processability and excellent cigarette physical properties (e.g. draw resistance).
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公开(公告)号：EP4430964A1
公开(公告)日：2024-09-18
申请号：EP23743441.0
申请日：2023-01-17
发明人： MA, Kyengbae , AHN, Ki Jin , YANG, Jin Chul , CHEONG, Bong Su , HA, Sunghoon , SEO, Seung Dong , LEE, Jeong Hun , JEONG, Jong Cheol , JIN, Sang Woo , HWANG, Yeong Nam
摘要： 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：EP4335308A1
公开(公告)日：2024-03-13
申请号：EP22876749.7
申请日：2022-09-21
发明人： JIN, Sang Woo , JEONG, Jong Cheol , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam , HA, Sunghoon , MA, Kyengbae , YANG, Jin-Chul , CHEONG, Bong Su
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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6.发明公开
公开(公告)号：EP4442898A2
公开(公告)日：2024-10-09
申请号：EP24188363.6
申请日：2022-12-26
发明人： JEONG, Young Han , YANG, Ji Eun , JEONG, Jong Cheol , JIN, Sang Woo , HWANG, Yeong Nam , MA, Kyengbae , HA, Sunghoon , YANG, Jin-Chul , CHEONG, Bong Su
IPC分类号： D06M13/224
摘要： Provided are a lyocell material, a filter for a smoking article and including the lyocell material, and a method of manufacturing these. The lyocell material manufactured according to the present application and a filter for a smoking article including the same replace conventional cellulose acetate materials and filters, and not only has excellent biodegradability, but also provides excellent filter manufacturing processability and excellent tobacco physical properties (e.g. hardness).
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7.发明公开
公开(公告)号：EP4437867A1
公开(公告)日：2024-10-02
申请号：EP22916664.0
申请日：2022-12-26
发明人： JIN, Sang Woo , JEONG, Jong Cheol , LEE, Jeong Hun , SEO, Seung Dong , HWANG, Yeong Nam , MA, Kyengbae , YANG, Jin-Chul , CHEONG, Bong Su , HA, Sunghoon
摘要： The present application relates to a lyocell material with a modified cross section, a cigarette filter including the lyocell material, and methods of manufacturing the lyocell material and the cigarette filter. The lyocell material and the cigarette filter including the same replace conventional cellulose acetate materials and filters, and provide excellent filter manufacturing processability and excellent cigarette properties (e.g., draw resistance) in addition to excellent biodegradability.
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公开(公告)号：EP4038237A1
公开(公告)日：2022-08-10
申请号：EP21880508.3
申请日：2021-10-13
申请人： KT&G Corporation
发明人： AHN, Ki-Jin , KIM, Jong Yeol , KIM, Soo Ho , MA, Kyengbae , SEO, Man Seok , YANG, Jin Chul , CHEONG, Bong Su
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