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. 02, 2013
Filed:
Mar. 12, 2008
Bernd Diener, Krefeld, DE;
Veronika Gehler, Krefeld, DE;
Erich Kuester, Krefeld, DE;
Daniel Roulands, Krefeld, DE;
Dieter Wehrhahn, Willich, DE;
Bernd Diener, Krefeld, DE;
Veronika Gehler, Krefeld, DE;
Erich Kuester, Krefeld, DE;
Daniel Roulands, Krefeld, DE;
Dieter Wehrhahn, Willich, DE;
Evonik Degussa GmbH, Essen, DE;
Abstract
The present invention relates to water-in-oil polymer dispersions comprising of a continuous organic phase and therein finely dispersed and cross-linked, water-swellable polymerizates, where these have a residual monomer content of less than 1,000 ppm. The present invention relates further to a process for the production of polymer dispersions according to the invention. In addition, the present invention relates to devices for fire prevention and firefighting and to the use of the polymer dispersions according to the invention.