Patent · US Active

Mixture for preventing surface stains

US8658054B2 · kind B2 · utility

0Cited by

1References

4Claims

0Family size

Assignee

GKN Sinter Metals, LLC · DE

Inventors

Rene Lindenau · Radevormwald, DE
Lars Wimbert · Schwelm, DE

Key dates

Filing date	Jul 12, 2011
Grant date	Feb 25, 2014
Priority date	—
Expiry date	Jul 13, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F2999/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

In order to achieve the object of providing a mixture by means of which, in particular, sintered moldings can be obtained that are virtually free of surface stains produced by soot particles, a mixture is proposed which comprises at least one pressing aid and at least one additive, wherein the additive is selected from a group of substances which have releasable carbon dioxide.

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