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公开(公告)号:EP4438155A2
公开(公告)日:2024-10-02
申请号:EP24175187.4
申请日:2019-11-22
发明人: SEO, Yong Gyo , JANG, Yong Seok , AHN, Sang Jun , JUNG, Jung Wu , CHUNG, Hyong Do , KIM, Young Hae , HWANG, Kyung Ho , KIM, Soo Hyun , KIM, Dong Eun , KIM, Nam Hoon
IPC分类号: B01D39/16
CPC分类号: B01D2239/023320130101 , B01D39/163 , B01D2239/021620130101
摘要: A shaped cross-section composite fiber for an intake filter is manufactured from a single material of polypropylene, without separate binder processing by using the single material of polypropylene as a filter material. The shaped cross-section composite fiber includes: a sheath comprising a reformed polypropylene resin; and a core comprising a polypropylene resin, where the sheath and the core are combined to provide a sheath-core structure.
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公开(公告)号:EP3763430A1
公开(公告)日:2021-01-13
申请号:EP19210861.1
申请日:2019-11-22
发明人: SEO, Yong Gyo , JANG, Yong Seok , AHN, Sang Jun , JUNG, Jung Wu , CHUNG, Hyong Do , KIM, Young Hae , HWANG, Kyung Ho , KIM, Soo Hyun , KIM, Dong Eun , KIM, Nam Hoon
IPC分类号: B01D39/16
摘要: A shaped cross-section composite fiber for an intake filter is manufactured from a single material of polypropylene, without separate binder processing by using the single material of polypropylene as a filter material. The shaped cross-section composite fiber includes: a sheath comprising a reformed polypropylene resin; and a core comprising a polypropylene resin, where the sheath and the core are combined to provide a sheath-core structure.
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