Patent · US Active

Rheological additive

US7749933B2 · kind B2 · utility

0Cited by

9References

15Claims

0Family size

Assignee

ASHLAND-SUDCHEMIE-KERNFEST GMBH · DE

Inventors

Reinhard Stötzel · Borken, DE
Herbert Pitamitz · Wuppertal, DE
Lothar Berger · Bonn, DE
Matthias Heinrich · Koblenzer Straße, DE

Key dates

Filing date	Mar 18, 2004
Grant date	Jul 6, 2010
Priority date	—
Expiry date	Sep 14, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K3/346
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to a rheological additive comprising illite clay, smectic clay and an attapulgite suitable for controlling the application characteristics of a coating material for porous bodies.

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