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:
Dec. 30, 2008
Filed:
Aug. 24, 2006
Applicants:
Uwe Wilkenhoener, Wuppertal, DE;
Martin Wulf, Langenfeld, DE;
Paer Winkelmann, Wuppertal, DE;
Inventors:
Assignee:
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); C04B 24/40 (2006.01); C04B 35/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to modified nanoparticles based on pyrogenic silica which are produced by treating pyrogenic silica with compounds of the general formula I Me(OR), and/or of the general formula II Me(OCOR), wherein Rmeans an alkyl, aryl and/or aralkyl residue and Me means zirconium and/or titanium and to coating compositions containing the modified nanoparticles.