Patent · US Active

Granular pumice and method for producing granular pumice

US9388075B2 · kind B2 · utility

0Cited by

2References

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	Sep 4, 2014
Grant date	Jul 12, 2016
Priority date	—
Expiry date	Sep 4, 2034

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.