Road and repair materials including magnetite and methods regarding same

US7939154B2 · kind B2 · utility

Assignee

• Regents of the University of Minnesota · US

Inventors

• Donald R. Fosnacht · Hermantown, US
• David W. Hendrickson · Hibbing, US
• Richard F. Kiesel · Hibbing, US
• Lawrence M. Zanko · Two Harbors, US
• Tamara R. Diedrich · Duluth, US

Key dates

• Filing date: Oct 31, 2008
• Grant date: May 10, 2011
• Expiry date: Nov 10, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/256
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A road and repair system and/or method using one or more components including a plurality of magnetite concentrate particles, at least one acidic activator including phosphate anions, and a plurality of reactive aggregate particles including iron.