Patent · US Active

Efficient matting agents based on precipitated silicas

US8012253B2 · kind B2 · utility

3Cited by

3References

28Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Juergen Schubert · Meckenheim, DE
Robert Kuhlmann · Lechenich, DE
Hans-Dieter Christian · Alzenau, DE

Key dates

Filing date	Jul 8, 2010
Grant date	Sep 6, 2011
Priority date	—
Expiry date	Jul 8, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2993
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Precipitated silicas and wax-coated precipitated silicas, their preparation, and their use as matting agents in inks and paints, the precipitated silicas characterized by:

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