Patent · US Active

Lubricant for powder metallurgical compositions

US9855601B2 · kind B2 · utility

0Cited by

6References

17Claims

0Family size

Assignee

HÖGANÄS AB (PUBL) · SE

Inventors

Åsa Ahlin · Hagfors, SE
Anna Ahlquist · Hagfors, SE
Karin Olsson · Lund, SE

Key dates

Filing date	Nov 25, 2009
Grant date	Jan 2, 2018
Priority date	—
Expiry date	Apr 1, 2032

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB22F2003/023
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

An iron-based powder metallurgical composition is provided comprising an iron or iron-based powder and composite lubricant particles, with the composite lubricant particles comprising a core of 10-60% by weight of at least one primary fatty acid amide having more than 18 and not more than 24 carbon atoms and 40-90% by weight of at least one fatty acid bisamide, with the core having nanoparticles of at least one metal oxide adhered thereon. Further provided is a particulate composite lubricant as well as a method of preparing such lubricant.

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