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:
Nov. 03, 2009
Filed:
Apr. 25, 2003
Applicants:
Bernd Bartkowiak, Wehr-Oeflingen, DE;
Kerstin Weissenbach, Bad Saeckingen, DE;
Nadja Kempkes, Rheinfelden, DE;
Burkhard Standke, Loerrach, DE;
Inventors:
Bernd Bartkowiak, Wehr-Oeflingen, DE;
Kerstin Weissenbach, Bad Saeckingen, DE;
Nadja Kempkes, Rheinfelden, DE;
Burkhard Standke, Loerrach, DE;
Assignee:
Degussa AG, Duesseldorf, DE;
Primary Examiner:
Int. Cl.
CPC ...
B05D 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process is provided for impregnating porous mineral substrates by a spray technique in which use is made of a gas-supported spraying assembly to apply liquid impregnating agent in a controlled manner to the substrate surface, the amount consumed being markedly less than the amount consumed in a conventional method of application by a flow-coating process.