Patent · US Expired

Dispersion, comminution or deagglomeration and classification of solids

US4979684A · kind A · utility

6Cited by

5References

1Claims

0Family size

Assignee

BASF SE

Inventors

Helmut Hoch
Reinhard Polke · Mutterstadt, DE
Norbert Scholz · Recklinghausen, DE

Key dates

Filing date	Jul 12, 1989
Grant date	Dec 25, 1990
Priority date	—
Expiry date	Jul 12, 2009

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB02C23/30
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Solids are dispersed, comminuted or deagglomerated and classified in a single piece of equipment, a classifier jet mill representing a combination of a jet mill and a spiral flow classifier.

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