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:
Jan. 12, 2010
Filed:
Mar. 26, 2004
Wolfgang Lortz, Wächtersbach, DE;
Christoph Batz-sohn, Hanau, DE;
Gabriele Perlet, Groβkrotzenburg, DE;
Werner Will, Gelnhausen, DE;
Kathrin Lehmann, Leverkusen, DE;
Angela Rüttgerodt, Köln, DE;
Wolfgang Lortz, Wächtersbach, DE;
Christoph Batz-Sohn, Hanau, DE;
Gabriele Perlet, Groβkrotzenburg, DE;
Werner Will, Gelnhausen, DE;
Kathrin Lehmann, Leverkusen, DE;
Angela Rüttgerodt, Köln, DE;
Degussa AG, Duesseldorf, DE;
Goldschmidt GmbH, Essen, DE;
Abstract
Aqueous dispersion which comprises hydrophobized silicon dioxide powder with a content of between 5 and 50 wt. % and which comprises at least one compound of the general formula R & supl; —COO—(CH2-CH(Ph)—O)a-(CnH2n-xRx-O)b-R(I). It is prepared by dispersing the hydrophobic silicon dioxide powder, dispersing agent and optionally pH-regulating substances and further additives in an aqueous medium. It can be employed as an additive to waterborne fillers in the automobile industry, as a coating constituent in can and coil coating processes, as an additive in water-based UV-curable formulations e.g. for wood preservation and as a constituent of protective lacquer films.