Patent · US Active

Froth flotation process for the separation of silicates and alkaline earth metal carbonates using a collector comprising at least one hydrophobically modified polyalkyleneimine

US8662311B2 · kind B2 · utility

1Cited by

8References

45Claims

0Family size

Assignee

OMYA INTERNATIONAL AG · CH

Inventors

Patrick Arthur Charles Gane · Rothrist, CH
Matthias Buri · Rothrist, CH
Samuel Rentsch · Aarburg, CH
Jörg Sötemann · Rheinfelden (Baden), DE

Key dates

Filing date	Mar 16, 2011
Grant date	Mar 4, 2014
Priority date	—
Expiry date	Mar 16, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB03D2203/00
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention refers to a process to separate silicates and alkaline earth metal carbonates implementing at least one hydrophobically modified polyalkyleneimine, wherein:

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