The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 8791191 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 29, 2014

Filed:

Feb. 02, 2010
Applicants:

Detlef Burgard, Voelklingen, DE;

Marc Herold, Saarbruecken, DE;

Klaus Steingroever, Saarbruecken, DE;

Inventors:

Detlef Burgard, Voelklingen, DE;

Marc Herold, Saarbruecken, DE;

Klaus Steingroever, Saarbruecken, DE;

Assignee:

Buehler Partec GmbH, Saarbruecken, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

Nanoscale ZnO particles are used in aqueous binder systems for increasing the blocking resistance, for reducing the drying time and/or for increasing the resistance to chemicals, detergents, heat, weathering or biological assault on the dried or cured systems. Described further more are nanoscale zinc oxide particles surface-modified with phosphonocarboxylic acid, and their use.


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