Patent · US Active

Mat having long and short inorganic fibers

US11293125B2 · kind B2 · utility

0Cited by

20References

20Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Claus Middendorf · Neuss, DE
Juergen Strasser · Neuss, DE
Knut Schumacher · Neuss, DE

Key dates

Filing date	Mar 5, 2020
Grant date	Apr 5, 2022
Priority date	—
Expiry date	Mar 5, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/26
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention provides a mat comprising a layer having a mixture of long and short fibers wherein said short fibers have a length of not more than about 13 mm and wherein said long fibers have a length of at least about 20 mm and wherein the amount of said short fibers is at least about 3% by weight based on the total weight of said mixture of long and short fibers.

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