Patent · US Active

Nanofiber coating, method for its production, and filter medium with such a coating

US9421486B2 · kind B2 · utility

0Cited by

2References

13Claims

0Family size

Assignee

MANN+HUMMEL GmbH · DE

Inventors

Nico Behrendt · Ludwigsburg, DE
Sylvia Beier-Moys · Beilstein, DE
Bjoern Schmid · Munich, DE
Anton Kreiner · Dingolfing, DE

Key dates

Filing date	Oct 18, 2014
Grant date	Aug 23, 2016
Priority date	—
Expiry date	Oct 18, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T442/626
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter medium, in particular for air filtration, is provided with a substrate and at least one nanofiber layer applied onto the substrate. The nanofiber layer has cavities in or between the nanofibers. In a method for producing the nanofiber layer, a spinning solution for electrospinning from a polymer solution by a spinning electrode and a counter electrode is provided, wherein electrical voltage is applied to the spinning solution and air is passed through the spinning solution. The nanofibers produced by the spinning electrode are deposited onto the substrate that is moved past the counter electrode.

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