公开(公告)号：US11718065B2

公开(公告)日：2023-08-08

申请号：US14774947

申请日：2014-03-12

Applicant: ImerTech SAS

Inventor： Craig Deporter ,  Larry H. McAmish ,  David James Whiteman ,  Octavius Othello Oju Davies

IPC: B32B5/26 ,  B32B5/02 ,  D04H1/413 ,  D04H3/16 ,  D04H3/14 ,  B32B5/08 ,  D01D5/098 ,  D01F6/06 ,  D01F1/10

CPC classification number: B32B5/26 ,  B32B5/022 ,  B32B5/08 ,  D04H1/413 ,  D04H3/14 ,  D04H3/16 ,  B32B2250/03 ,  B32B2250/05 ,  B32B2250/20 ,  B32B2250/24 ,  B32B2250/40 ,  B32B2262/0253 ,  B32B2262/0261 ,  B32B2262/0276 ,  B32B2264/10 ,  B32B2264/102 ,  B32B2264/104 ,  B32B2264/12 ,  B32B2305/20 ,  B32B2307/54 ,  B32B2307/718 ,  B32B2307/724 ,  B32B2307/7265 ,  B32B2307/73 ,  B32B2437/02 ,  B32B2535/00 ,  B32B2555/02 ,  D01D5/0985 ,  D01F1/10 ,  D01F6/06

Abstract: A composite structure may include at least two nonwoven, polymeric layers bonded to each other. At least one nonwoven, polymeric layer may include inorganic particulate filler in an amount up to about 40% by weight of the nonwoven layer.