Patent · US Active

Mineral material powder with high dispersion ability and use of said mineral material powder

US11555122B2 · kind B2 · utility

0Cited by

6References

19Claims

0Family size

Assignee

OMYA INTERNATIONAL AG · CH

Inventors

Pierre Blanchard · Échirolles, FR
Jean-Pierre Elgoyhen · Bures-Montjay, FR
Beat Karth · Langenthal, CH
Holger Müller · Recklinghausen, DE
Jürgen Spehn · Safenwil, CH
Martin Brunner · Pforzheim, DE
Pascal Gonnon · Parempuyre, FR
Michael Tinkl · Weil am Rhein, DE

Key dates

Filing date	May 14, 2019
Grant date	Jan 17, 2023
Priority date	—
Expiry date	Oct 9, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2991
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention refers to a mineral matter powder preparation by wet process without acrylic additive or other grinding aid additives and to the use of said mineral matter after an optional hydrophobic treatment. Said mineral material having superior dispersing properties.

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