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. 21, 2009
Filed:
Jul. 29, 2003
Applicants:
Jürgen Meyer, Stockstadt, DE;
Stephanie Frahn, Goldbach, DE;
Manfred Ettlinger, Karlstein, DE;
Inventors:
Assignee:
Degussa AG, Düsseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
C04B 14/04 (2006.01); C01B 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
Silanised, structurally modified silicas, characterised by groups fixed on the surface, the groups being alkylsilyl (SiCH, with n=2-18). They are produced in that pyrogenically produced silicas are treated with the silanising agent and structurally modified. They are used to improve scratch resistance in lacquers.