Patent · US Expired

Process for disposing of perlite waste

US5813968A · kind A · utility

0Cited by

8References

17Claims

0Family size

Assignee

Linde GmbH · DE

Inventors

Frank Kunde · Wolfratshausen, DE
Franz Beck · Aachen, DE

Key dates

Filing date	May 22, 1996
Grant date	Sep 29, 1998
Priority date	—
Expiry date	May 22, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/20
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

The present invention relates to a process for disposing of perlite, wherein perlite particles are removed by suction from a source, mixed with water and then compressed, whereby the volume of the perlite is reduced by the compression to about a third or a fifth of its original volume.

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