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:
Oct. 01, 2013
Filed:
Oct. 17, 2007
Applicant:
Ulrich Fischer, Moembris, DE;
Inventor:
Ulrich Fischer, Moembris, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09D 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to silica dispersions that have a long shelf-life, to a method for producing the same and to their use in the construction industry as concrete admixtures and in the paper industry for producing or coating paper.