Patent · US Expired

Stirred ball mill for grinding pigments

US4966331A · kind A · utility

15Cited by

8References

3Claims

0Family size

Assignee

BASF SE

Inventors

Manfred Maier · Lutherstadt Eisleben, DE
Manfred Mielke · Heidelberg, DE
Peter Hauser · Raleigh, US

Key dates

Filing date	Mar 20, 1989
Grant date	Oct 30, 1990
Priority date	—
Expiry date	Mar 20, 2009

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB02C17/16
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A stationary container equipped with an inlet and an outlet and filled with grinding medium encloses a drivable, rotatably mounted stirrer whose active surfaces are formed as impellers for the grinding medium which are closely adjacent to the inner surface of the container.

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