Patent · US Active

Filter material, filter element, and method and device for producing a filter material

US9624605B2 · kind B2 · utility

0Cited by

3References

20Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Sushil Agrahari · Kanpur, IN
Rajeev Kapoor · Greater Noida, IN
Mahesh Kumar · Fort Dodge, US
Puneet Singla · Faridabad, IN

Key dates

Filing date	Aug 28, 2014
Grant date	Apr 18, 2017
Priority date	—
Expiry date	Aug 28, 2034

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01D5/0069
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A multi-layered, web-shaped filter material for a filter element may include a fleece layer, a cellulose layer, and a nanofiber layer arranged between the fleece layer and the cellulose layer. The nanofiber layer may be a coating of a nanofiber material disposed on the fleece layer. The cellulose layer may have an impregnation at least on a side facing the nanofiber layer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.