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. 04, 2007
Filed:
Dec. 11, 2003
Applicants:
Jürgen Meyer, Stockstadt, DE;
Kurt Spitznagel, Hanau, DE;
Hans-dieter Christian, Alzenau, DE;
Inventors:
Assignee:
DeGussa AG, Hanau, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/30 (2006.01); C09D 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A structurally coated silica can be prepared by spraying and mixing a pyrogenic silica with water and a coating agent in a suitable mixing vessel, then milling and then conditioning the product. The structurally coated silica can be used as a matting agent in lacquers.