Patent · US Active

Filter element and process for producing a filter element

US8883933B2 · kind B2 · utility

1Cited by

9References

13Claims

0Family size

Assignee

Mamm+Hummel GmbH · DE

Inventors

Klaus Gehwolf · Mamming, DE
Tanja Majer · Bietigheim-Bissingen, DE
Gelase Mbadinga-Mouanda · Bietigheim-Bissingen, DE

Key dates

Filing date	Jan 28, 2013
Grant date	Nov 11, 2014
Priority date	—
Expiry date	Jan 28, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T156/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a hotmelt adhesive including a hotmelt adhesive mixture, the mixture having a 15-85% by weight of a first polyester-based hotmelt adhesive and a 15-85% by weight of a second, polyamide-based hotmelt adhesive.

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