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.:
Date of Patent:
Jul. 12, 2016
Filed:
Apr. 20, 2009
Applicant:
Uwe Dietrich Kuehner, Hamburg, DE;
Inventor:
Uwe Dietrich Kuehner, Hamburg, DE;
Assignee:
EVONIK HANSE GMBH, Geesthacht, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/30 (2006.01); C07C 51/44 (2006.01); B82Y 30/00 (2011.01); C08K 9/06 (2006.01);
U.S. Cl.
CPC ...
C09C 1/3081 (2013.01); B82Y 30/00 (2013.01); C07C 51/44 (2013.01); C08K 9/06 (2013.01); C01P 2004/51 (2013.01); C01P 2004/54 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/22 (2013.01);
Abstract
Surface-modified silicon dioxide particles or silica sol preparable by reacting aqueous silica sol with at least one first modifier comprising at least one alkoxysilane and with at least one second modifier selected from the group consisting of halosilane, siloxane, and mixtures thereof, with water being removed before the reaction with the first or second modifier.