专利检索 ap:("Hollingsworth & Vose Company") AND inv:"Jennifer Dana Leary" 第 1 页

1.

发明申请
FILTER MEDIA COMPRISING A NON-WETLAID BACKER 有权

公开(公告)号：US20210187421A1

公开(公告)日：2021-06-24

申请号：US16721788

申请日：2019-12-19

申请人： Hollingsworth & Vose Company

发明人： David T, Healey , Bruce Smith , Jennifer Dana Leary , Greg Wagner Farell

IPC分类号： B01D39/16 , D04H1/4374 , D04H1/4391 , D04H1/58 , D04H1/732 , D04H1/435

摘要： Filter media comprising a non-wetlaid backer are generally provided. In some embodiments, a filter media comprises a non-wetlaid fiber web and further comprises one or more further fiber webs. The further fiber web(s) may include an efficiency layer and/or a prefilter.