公开(公告)号：WO2020049507A1

公开(公告)日：2020-03-12

申请号：PCT/IB2019/057505

申请日：2019-09-05

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： STOUGHTON, Hannah L. ,  KELLEY, Tommie W. ,  SANTA CRUZ, Windy A. ,  GORRELL, Matthew W. ,  STENDER, John B. ,  MCCOOL, Christine L. ,  ELAM, Michael J. ,  SCHUFFERT, Michael S. ,  HEDDEN, Jackson H. ,  TYNESKI, Frank ,  VERNON, John M.

IPC: B01D46/00 ,  B01D39/14

Abstract: Filter assemblies are disclosed. In particular, filter assemblies including a filter media and an overlay portion covering the filter media are disclosed. Such filter assemblies may provide both acceptable filtering capacity and cleanable visible front surfaces.