Patent · US Expired

Magnetic media mill

US5022592A · kind A · utility

33Cited by

1References

24Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Howard Zakheim · Yeadon, US
Peter M. Clinton · Media, US
James D. Goldschneider · Newark, US
Christopher A. Kasmer · Lawrenceville, US
Markus Zahn · Lexington, US
Charles L. Hoffmeyer · Wilmington, US

Key dates

Filing date	Jul 9, 1990
Grant date	Jun 11, 1991
Priority date	—
Expiry date	Jul 9, 2010

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB02C17/005
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Media mill having a magnetic circuit of magnetic impellers on a shaft, magnetized media, and a magnetizable outer shell which provides improved efficiency.

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