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:
Jun. 10, 2014
Filed:
Mar. 24, 2010
Stefan Scharfe, Erlensee, DE;
Christoph Batz-sohn, Hanau-Mittelbuchen, DE;
Heinz Lach, Rodenbach, DE;
Andrea Heuschen, Floersbachtal, DE;
Burkhard Standke, Loerrach, DE;
Christian Wassmer, Hausen, DE;
Stefan Scharfe, Erlensee, DE;
Christoph Batz-Sohn, Hanau-Mittelbuchen, DE;
Heinz Lach, Rodenbach, DE;
Andrea Heuschen, Floersbachtal, DE;
Burkhard Standke, Loerrach, DE;
Christian Wassmer, Hausen, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
Dispersion obtainable by reacting a) in 50 to 75 parts by weight of water b) 25 to 50 parts by weight of silica particles having a BET surface area of 30 to 500 m/g and c) 100 to 300 μg/mBET surface area of the silica particles from b) parts by weight of one or more aminofunctional, organosilicon compounds, the aminofunctional, organosilicon compound being a quaternary, aminofunctional, organosilicon compound which is obtainable by reacting at least one haloalkylfunctional silane as component A with a tertiary amine as component B in the presence of a defined amount of water and at least partly removing the resulting hydrolysis alcohol from the system.