Patent · US Expired

Carbon-clad zirconium oxide particles

US5346619A · kind A · utility

31Cited by

38References

6Claims

0Family size

Assignee

Regents of the University of Minnesota · US

Inventors

Eric F. Funkenbusch · White Bear Lake, US
Peter W. Carr · Minneapolis, US
Douglas A. Hanggi · Windom, US
Thomas Weber · Ludwigshafen, DE

Key dates

Filing date	Jul 14, 1993
Grant date	Sep 13, 1994
Priority date	—
Expiry date	Jul 14, 2013

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2220/825
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Carbon-clad zirconium oxide particles are disclosed which are useful in sorbent applications, particularly as packing materials for High Performance Liquid Chromatography (HPLC). A method for the preparation of chromatographic support material is also disclosed which utilizes low pressure.

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