Patent · US Active

Granular pumice and method for producing granular pumice

US8859096B2 · kind B2 · utility

2Cited by

1References

17Claims

0Family size

Assignees

EVONIK DEGUSSA GMBH · DE
ROTEC Rohstoff-Technik GmbH & Co. Kg · DE

Inventors

Markus Roos · Essen, DE
Guido Runkel · Melsbach, DE

Key dates

Filing date	Mar 4, 2011
Grant date	Oct 14, 2014
Priority date	—
Expiry date	Mar 4, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to granular pumice, wherein the surface is covered with a hydrophobic coating.

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